package liquibase.snapshot;
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import liquibase.CatalogAndSchema;
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import liquibase.Scope;
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import liquibase.database.AbstractJdbcDatabase;
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import liquibase.database.Database;
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import liquibase.database.DatabaseConnection;
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import liquibase.database.LiquibaseTableNamesFactory;
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import liquibase.database.core.*;
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import liquibase.database.jvm.JdbcConnection;
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import liquibase.exception.DatabaseException;
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import liquibase.executor.jvm.ColumnMapRowMapper;
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import liquibase.executor.jvm.RowMapperNotNullConstraintsResultSetExtractor;
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import liquibase.structure.DatabaseObject;
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import liquibase.structure.core.Catalog;
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import liquibase.structure.core.Schema;
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import liquibase.structure.core.Table;
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import liquibase.structure.core.View;
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import liquibase.util.JdbcUtil;
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import liquibase.util.StringUtil;
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import jnpf.workflow.common.util.FlowUtil;
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import java.sql.*;
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import java.util.*;
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import java.util.concurrent.atomic.AtomicReference;
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public class JdbcDatabaseSnapshot extends DatabaseSnapshot {
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private boolean warnedAboutDbaRecycleBin;
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private static final boolean ignoreWarnAboutDbaRecycleBin = Boolean.getBoolean("liquibase.ignoreRecycleBinWarning");
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private CachingDatabaseMetaData cachingDatabaseMetaData;
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private Map<String, CachedRow> cachedExpressionMap = null;
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private Set<String> userDefinedTypes;
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public JdbcDatabaseSnapshot(DatabaseObject[] examples, Database database, SnapshotControl snapshotControl) throws DatabaseException, InvalidExampleException {
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super(examples, database, snapshotControl);
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}
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public JdbcDatabaseSnapshot(DatabaseObject[] examples, Database database) throws DatabaseException, InvalidExampleException {
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super(examples, database);
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}
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public CachingDatabaseMetaData getMetaDataFromCache() throws SQLException {
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if (cachingDatabaseMetaData == null) {
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DatabaseMetaData databaseMetaData = null;
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if (getDatabase().getConnection() != null) {
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databaseMetaData = ((JdbcConnection) getDatabase().getConnection()).getUnderlyingConnection().getMetaData();
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}
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cachingDatabaseMetaData = new CachingDatabaseMetaData(this.getDatabase(), databaseMetaData);
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}
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return cachingDatabaseMetaData;
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}
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public class CachingDatabaseMetaData {
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private static final String SQL_FILTER_MATCH_ALL = "%";
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private final DatabaseMetaData databaseMetaData;
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private final Database database;
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public CachingDatabaseMetaData(Database database, DatabaseMetaData metaData) {
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this.databaseMetaData = metaData;
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this.database = database;
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}
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public java.sql.DatabaseMetaData getDatabaseMetaData() {
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return databaseMetaData;
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}
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public List<CachedRow> getForeignKeys(final String catalogName, final String schemaName, final String tableName,
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final String fkName) throws DatabaseException {
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ForeignKeysResultSetCache foreignKeysResultSetCache = new ForeignKeysResultSetCache(database, catalogName, schemaName, tableName, fkName);
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ResultSetCache importedKeys = getResultSetCache("getImportedKeys");
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importedKeys.setBulkTracking(!(database instanceof MSSQLDatabase));
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return importedKeys.get(foreignKeysResultSetCache);
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}
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public List<CachedRow> getIndexInfo(final String catalogName, final String schemaName, final String tableName, final String indexName) throws DatabaseException, SQLException {
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return getResultSetCache("getIndexInfo").get(new ResultSetCache.UnionResultSetExtractor(database) {
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public boolean isBulkFetchMode;
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@Override
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public ResultSetCache.RowData rowKeyParameters(CachedRow row) {
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return new ResultSetCache.RowData(row.getString("TABLE_CAT"), row.getString("TABLE_SCHEM"), database, row.getString("TABLE_NAME"), row.getString("INDEX_NAME"));
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}
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@Override
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public ResultSetCache.RowData wantedKeyParameters() {
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return new ResultSetCache.RowData(catalogName, schemaName, database, tableName, indexName);
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}
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@Override
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public boolean bulkContainsSchema(String schemaKey) {
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return getAllCatalogsStringScratchData() != null && database instanceof OracleDatabase;
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}
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@Override
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public String getSchemaKey(CachedRow row) {
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return row.getString("TABLE_SCHEM");
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}
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@Override
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public List<CachedRow> fastFetch() throws SQLException, DatabaseException {
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List<CachedRow> returnList = new ArrayList<>();
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CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
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if (database instanceof OracleDatabase) {
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warnAboutDbaRecycleBin();
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//oracle getIndexInfo is buggy and slow. See Issue 1824548 and http://forums.oracle.com/forums/thread.jspa?messageID=578383򍍏
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String sql =
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"SELECT " +
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"c.INDEX_NAME, " +
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"3 AS TYPE, " +
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"c.TABLE_OWNER AS TABLE_SCHEM, " +
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"c.TABLE_NAME, " +
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"c.COLUMN_NAME, " +
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"c.COLUMN_POSITION AS ORDINAL_POSITION, " +
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"NULL AS FILTER_CONDITION, " +
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"c.INDEX_OWNER, " +
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"CASE I.UNIQUENESS WHEN 'UNIQUE' THEN 0 ELSE 1 END AS NON_UNIQUE, " +
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"CASE c.DESCEND WHEN 'Y' THEN 'D' WHEN 'DESC' THEN 'D' WHEN 'N' THEN 'A' WHEN 'ASC' THEN 'A' END AS ASC_OR_DESC, " +
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"CASE WHEN tablespace_name = (SELECT default_tablespace FROM user_users) " +
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"THEN NULL ELSE tablespace_name END AS tablespace_name " +
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"FROM ALL_IND_COLUMNS c " +
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"JOIN ALL_INDEXES i ON i.owner=c.index_owner AND i.index_name = c.index_name and i.table_owner = c.table_owner " +
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"LEFT OUTER JOIN " + (((OracleDatabase) database).canAccessDbaRecycleBin() ? "dba_recyclebin" : "user_recyclebin") + " d ON d.object_name=c.table_name ";
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if (!isBulkFetchMode || getAllCatalogsStringScratchData() == null) {
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sql += "WHERE c.TABLE_OWNER = '" + database.correctObjectName(catalogAndSchema.getCatalogName(), Schema.class) + "' ";
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} else {
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sql += "WHERE c.TABLE_OWNER IN ('" + database.correctObjectName(catalogAndSchema.getCatalogName(), Schema.class) + "', " + getAllCatalogsStringScratchData() + ")";
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}
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sql += "AND i.OWNER = c.TABLE_OWNER " +
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"AND d.object_name IS NULL ";
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if (!isBulkFetchMode && (tableName != null)) {
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sql += " AND c.TABLE_NAME='" + tableName + "'";
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}
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if (!isBulkFetchMode && (indexName != null)) {
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sql += " AND c.INDEX_NAME='" + indexName + "'";
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}
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sql += " ORDER BY c.INDEX_NAME, ORDINAL_POSITION";
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returnList.addAll(setIndexExpressions(executeAndExtract(sql, database)));
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} else if (database instanceof MSSQLDatabase) {
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String tableCat = "original_db_name()";
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if (9 <= database.getDatabaseMajorVersion()) {
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tableCat = "db_name()";
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}
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//fetch additional index info
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String sql = "SELECT " +
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tableCat + " as TABLE_CAT, " +
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"object_schema_name(i.object_id) as TABLE_SCHEM, " +
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"object_name(i.object_id) as TABLE_NAME, " +
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"CASE is_unique WHEN 1 then 0 else 1 end as NON_UNIQUE, " +
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"object_name(i.object_id) as INDEX_QUALIFIER, " +
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"i.name as INDEX_NAME, " +
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"case i.type when 1 then 1 ELSE 3 end as TYPE, " +
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"key_ordinal as ORDINAL_POSITION, " +
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"COL_NAME(c.object_id,c.column_id) AS COLUMN_NAME, " +
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"case is_descending_key when 0 then 'A' else 'D' end as ASC_OR_DESC, " +
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"null as CARDINALITY, " +
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"null as PAGES, " +
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"i.filter_definition as FILTER_CONDITION, " +
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"o.type AS INTERNAL_OBJECT_TYPE, " +
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"i.*, " +
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"c.*, " +
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"s.* " +
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"FROM sys.indexes i " +
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"join sys.index_columns c on i.object_id=c.object_id and i.index_id=c.index_id " +
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"join sys.stats s on i.object_id=s.object_id and i.name=s.name " +
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"join sys.objects o on i.object_id=o.object_id " +
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"WHERE object_schema_name(i.object_id)='" + database.correctObjectName(catalogAndSchema.getSchemaName(), Schema.class) + "'";
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if (!isBulkFetchMode && (tableName != null)) {
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sql += " AND object_name(i.object_id)='" + database.escapeStringForDatabase(tableName) + "'";
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}
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if (!isBulkFetchMode && (indexName != null)) {
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sql += " AND i.name='" + database.escapeStringForDatabase(indexName) + "'";
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}
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sql += "ORDER BY i.object_id, i.index_id, c.key_ordinal";
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returnList.addAll(executeAndExtract(sql, database));
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} else if (database instanceof Db2zDatabase) {
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List<String> parameters = new ArrayList<>(3);
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String sql = "SELECT i.CREATOR AS TABLE_SCHEM, " +
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"i.TBNAME AS TABLE_NAME, " +
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"i.NAME AS INDEX_NAME, " +
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"3 AS TYPE, " +
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"k.COLNAME AS COLUMN_NAME, " +
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"k.COLSEQ AS ORDINAL_POSITION, " +
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"CASE UNIQUERULE WHEN 'D' then 1 else 0 end as NON_UNIQUE, " +
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"k.ORDERING AS ORDER, " +
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"i.CREATOR AS INDEX_QUALIFIER " +
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"FROM SYSIBM.SYSKEYS k " +
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"JOIN SYSIBM.SYSINDEXES i " +
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"ON k.IXNAME = i.NAME " +
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"AND k.IXCREATOR = i.CREATOR " +
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"WHERE i.CREATOR = ?";
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parameters.add(database.correctObjectName(catalogAndSchema.getSchemaName(), Schema.class));
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if (!isBulkFetchMode && tableName != null) {
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sql += " AND i.TBNAME = ?";
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parameters.add(database.escapeStringForDatabase(tableName));
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}
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if (!isBulkFetchMode && indexName != null) {
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sql += " AND i.NAME = ?";
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parameters.add(database.escapeStringForDatabase(indexName));
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}
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sql += "ORDER BY i.NAME, k.COLSEQ";
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returnList.addAll(executeAndExtract(database, sql, parameters.toArray()));
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} else if (!(database instanceof MariaDBDatabase) && database instanceof MySQLDatabase) {
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//mysql 8.0.13 introduced support for indexes on `lower(first_name)` which comes back in an "expression" column
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String filterConditionValue = "NULL";
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if (database.getDatabaseMajorVersion() > 8 || (database.getDatabaseMajorVersion() == 8 && ((MySQLDatabase) database).getDatabasePatchVersion() >= 13)) {
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filterConditionValue = "EXPRESSION";
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}
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StringBuilder sql = new StringBuilder("SELECT TABLE_CATALOG AS TABLE_CAT, TABLE_SCHEMA AS TABLE_SCHEM,");
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sql.append(" TABLE_NAME, NON_UNIQUE, NULL AS INDEX_QUALIFIER, INDEX_NAME,");
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sql.append(DatabaseMetaData.tableIndexOther);
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sql.append(" AS TYPE, SEQ_IN_INDEX AS ORDINAL_POSITION, COLUMN_NAME,");
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sql.append("COLLATION AS ASC_OR_DESC, CARDINALITY, 0 AS PAGES, " + filterConditionValue + " AS FILTER_CONDITION FROM INFORMATION_SCHEMA.STATISTICS WHERE");
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sql.append(" TABLE_SCHEMA = '").append(database.correctObjectName(catalogAndSchema.getCatalogName(), Catalog.class)).append("'");
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if (!isBulkFetchMode && tableName != null) {
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sql.append(" AND TABLE_NAME = '").append(database.escapeStringForDatabase(tableName)).append("'");
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}
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if (!isBulkFetchMode && indexName != null) {
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sql.append(" AND INDEX_NAME='").append(database.escapeStringForDatabase(indexName)).append("'");
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}
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sql.append("ORDER BY NON_UNIQUE, INDEX_NAME, SEQ_IN_INDEX");
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returnList.addAll(executeAndExtract(sql.toString(), database));
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} else {
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/*
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* If we do not know in which table to look for the index, things get a little bit ugly.
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* First, we get a collection of all tables within the catalogAndSchema, then iterate through
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* them until we (hopefully) find the index we are looking for.
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*/
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List<String> tables = new ArrayList<>();
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if (tableName == null) {
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// Build a list of all candidate tables in the catalog/schema that might contain the index
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for (CachedRow row : getTables(((AbstractJdbcDatabase) database).getJdbcCatalogName(catalogAndSchema), ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema), null)) {
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tables.add(row.getString("TABLE_NAME"));
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}
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} else {
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tables.add(tableName);
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}
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// Iterate through all the candidate tables and try to find the index.
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for (String tableName1 : tables) {
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ResultSet rs = databaseMetaData.getIndexInfo(
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((AbstractJdbcDatabase) database).getJdbcCatalogName(catalogAndSchema),
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((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema),
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tableName1,
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false,
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true);
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List<CachedRow> rows = extract(rs, (database instanceof InformixDatabase));
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returnList.addAll(rows);
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}
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}
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return returnList;
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}
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private List<CachedRow> setIndexExpressions(List<CachedRow> c) throws DatabaseException, SQLException {
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Map<String, CachedRow> expressionMap = getCachedExpressionMap();
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c.forEach(row -> {
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row.set("FILTER_CONDITION", null);
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String key = row.getString("INDEX_OWNER") + "::" + row.getString("INDEX_NAME") + "::" +
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row.getInt("ORDINAL_POSITION");
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CachedRow fromMap = expressionMap.get(key);
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if (fromMap != null) {
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row.set("FILTER_CONDITION", fromMap.get("COLUMN_EXPRESSION"));
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}
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});
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return c;
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}
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private Map<String, CachedRow> getCachedExpressionMap() throws DatabaseException, SQLException {
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if (cachedExpressionMap != null) {
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return cachedExpressionMap;
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}
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String expSql = "SELECT e.column_expression, e.index_owner, e.index_name, e.column_position FROM all_ind_expressions e";
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List<CachedRow> ec = executeAndExtract(expSql, database);
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cachedExpressionMap = new HashMap<>();
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ec.forEach(row -> {
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String key = row.getString("INDEX_OWNER") + "::" + row.getString("INDEX_NAME") + "::" +
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row.getInt("COLUMN_POSITION");
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cachedExpressionMap.put(key, row);
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});
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return cachedExpressionMap;
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}
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@Override
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public List<CachedRow> bulkFetch() throws SQLException, DatabaseException {
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this.isBulkFetchMode = true;
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return fastFetch();
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}
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@Override
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protected boolean shouldBulkSelect(String schemaKey, ResultSetCache resultSetCache) {
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if (database instanceof OracleDatabase || database instanceof MSSQLDatabase) {
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return JdbcDatabaseSnapshot.this.getAllCatalogsStringScratchData() != null || (tableName == null && indexName == null) || super.shouldBulkSelect(schemaKey, resultSetCache);
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}
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return false;
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}
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});
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}
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protected void warnAboutDbaRecycleBin() {
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if (!ignoreWarnAboutDbaRecycleBin && !warnedAboutDbaRecycleBin && !(((OracleDatabase) database).canAccessDbaRecycleBin())) {
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Scope.getCurrentScope().getLog(getClass()).warning(((OracleDatabase) database).getDbaRecycleBinWarning());
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warnedAboutDbaRecycleBin = true;
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}
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}
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/**
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* Return the columns for the given catalog, schema, table, and column.
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*/
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public List<CachedRow> getColumns(final String catalogName, final String schemaName, final String tableName, final String columnName) throws SQLException, DatabaseException {
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if ((database instanceof MSSQLDatabase) && (userDefinedTypes == null)) {
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userDefinedTypes = new HashSet<>();
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DatabaseConnection databaseConnection = database.getConnection();
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if (databaseConnection instanceof JdbcConnection) {
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Statement stmt = null;
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ResultSet resultSet = null;
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try {
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stmt = ((JdbcConnection) databaseConnection).getUnderlyingConnection().createStatement();
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resultSet = stmt.executeQuery("select name from " + (catalogName == null ? "" : "[" + catalogName + "].") + "sys.types where is_user_defined=1");
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while (resultSet.next()) {
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userDefinedTypes.add(resultSet.getString("name").toLowerCase());
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}
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} finally {
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JdbcUtil.close(resultSet, stmt);
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}
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}
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}
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GetColumnResultSetCache getColumnResultSetCache = new GetColumnResultSetCache(database, catalogName,
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schemaName, tableName, columnName);
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return getResultSetCache("getColumns").get(getColumnResultSetCache);
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}
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/**
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* Return the NotNullConstraints for the given catalog, schema, table, and column.
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*/
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public List<CachedRow> getNotNullConst(final String catalogName, final String schemaName,
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final String tableName) throws DatabaseException {
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if (!(database instanceof OracleDatabase)) {
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return Collections.emptyList();
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}
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GetNotNullConstraintsResultSetCache getNotNullConstraintsResultSetCache = new GetNotNullConstraintsResultSetCache(database, catalogName,
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schemaName, tableName);
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return getResultSetCache("getNotNullConst").get(getNotNullConstraintsResultSetCache);
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}
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private class GetColumnResultSetCache extends ResultSetCache.SingleResultSetExtractor {
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final String catalogName;
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final String schemaName;
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final String tableName;
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final String columnName;
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private GetColumnResultSetCache(Database database, String catalogName, String schemaName, String tableName, String columnName) {
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super(database);
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this.catalogName = catalogName;
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this.schemaName = schemaName;
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this.tableName = tableName;
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this.columnName = columnName;
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}
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@Override
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public ResultSetCache.RowData rowKeyParameters(CachedRow row) {
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return new ResultSetCache.RowData(row.getString("TABLE_CAT"), row.getString("TABLE_SCHEM"), database, row.getString("TABLE_NAME"), row.getString("COLUMN_NAME"));
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}
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@Override
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public ResultSetCache.RowData wantedKeyParameters() {
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return new ResultSetCache.RowData(catalogName, schemaName, database, tableName, columnName);
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}
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@Override
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public boolean bulkContainsSchema(String schemaKey) {
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String catalogs = getAllCatalogsStringScratchData();
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return catalogs != null && schemaKey != null
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&& catalogs.contains("'" + schemaKey.toUpperCase() + "'")
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&& database instanceof OracleDatabase;
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}
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@Override
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public String getSchemaKey(CachedRow row) {
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return row.getString("TABLE_SCHEM");
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}
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@Override
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protected boolean shouldBulkSelect(String schemaKey, ResultSetCache resultSetCache) {
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LiquibaseTableNamesFactory liquibaseTableNamesFactory = Scope.getCurrentScope().getSingleton(LiquibaseTableNamesFactory.class);
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List<String> liquibaseTableNames = liquibaseTableNamesFactory.getLiquibaseTableNames(database);
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return liquibaseTableNames.stream().noneMatch(tableName::equalsIgnoreCase);
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}
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@Override
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public List<CachedRow> fastFetchQuery() throws SQLException, DatabaseException {
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if (database instanceof OracleDatabase) {
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return oracleQuery(false);
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} else if (database instanceof MSSQLDatabase) {
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return mssqlQuery(false);
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}
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CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
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try {
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List<CachedRow> returnList =
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extract(
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databaseMetaData.getColumns(
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((AbstractJdbcDatabase) database).getJdbcCatalogName(catalogAndSchema),
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escapeForLike(((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema), database),
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escapeForLike(tableName, database),
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SQL_FILTER_MATCH_ALL)
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);
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//
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// IF MARIADB OR SQL ANYWHERE
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// Query to get actual data types and then map each column to its CachedRow
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//
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determineActualDataTypes(returnList, tableName);
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return returnList;
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} catch (SQLException e) {
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if (shouldReturnEmptyColumns(e)) { //view with table already dropped. Act like it has no columns.
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return new ArrayList<>();
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} else {
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throw e;
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}
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}
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}
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@Override
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public List<CachedRow> bulkFetchQuery() throws SQLException, DatabaseException {
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if (database instanceof OracleDatabase) {
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return oracleQuery(true);
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} else if (database instanceof MSSQLDatabase) {
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return mssqlQuery(true);
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}
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CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
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try {
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List<CachedRow> returnList =
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extract(databaseMetaData.getColumns(((AbstractJdbcDatabase) database)
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.getJdbcCatalogName(catalogAndSchema),
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escapeForLike(((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema), database),
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SQL_FILTER_MATCH_ALL, SQL_FILTER_MATCH_ALL));
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//
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// IF MARIADB OR SQL ANYWHERE
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// Query to get actual data types and then map each column to its CachedRow
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//
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determineActualDataTypes(returnList, null);
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return returnList;
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} catch (SQLException e) {
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if (shouldReturnEmptyColumns(e)) {
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return new ArrayList<>();
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} else {
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throw e;
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}
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}
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}
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//
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// For MariaDB, query for the data type column so that we can correctly
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// set the DATETIME(6) type if specified
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//
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// For SQL Anywhere, query for the scale column so we can correctly
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// set the size unit
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//
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private void determineActualDataTypes(List<CachedRow> returnList, String tableName) throws SQLException {
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//
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// If not MariaDB / SQL Anywhere then just return
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//
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if (!(database instanceof MariaDBDatabase || database instanceof SybaseASADatabase)) {
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return;
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}
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if (database instanceof SybaseASADatabase) {
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//
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// Query for actual data type for column. The actual SYSTABCOL.scale column value is
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// not reported by the DatabaseMetadata.getColumns() query for CHAR-limited (in contrast
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// to BYTE-limited) columns, and it is needed to capture the kind if limitation.
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// The actual SYSTABCOL.column_type is not reported by the DatabaseMetadata.getColumns()
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// query as the IS_GENERATEDCOLUMN columns is missing in the result set, and it is needed to
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// capture the kind of column (regular or computed).
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//
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// See https://help.sap.com/docs/SAP_SQL_Anywhere/93079d4ba8e44920ae63ffb4def91f5b/3beaa3956c5f1014883cb0c3e3559cc9.html.
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//
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String selectStatement =
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"SELECT table_name, column_name, scale, column_type FROM SYSTABCOL KEY JOIN SYSTAB KEY JOIN SYSUSER " +
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"WHERE user_name = ? AND ? IS NULL OR table_name = ?";
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Connection underlyingConnection = ((JdbcConnection) database.getConnection()).getUnderlyingConnection();
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try (PreparedStatement stmt = underlyingConnection.prepareStatement(selectStatement)) {
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stmt.setString(1, schemaName);
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stmt.setString(2, tableName);
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stmt.setString(3, tableName);
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try (ResultSet columnSelectRS = stmt.executeQuery()) {
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while (columnSelectRS.next()) {
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String selectedTableName = columnSelectRS.getString("table_name");
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String selectedColumnName = columnSelectRS.getString("column_name");
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int selectedScale = columnSelectRS.getInt("scale");
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String selectedColumnType = columnSelectRS.getString("column_type");
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for (CachedRow row : returnList) {
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String rowTableName = row.getString("TABLE_NAME");
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String rowColumnName = row.getString("COLUMN_NAME");
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if (rowTableName.equalsIgnoreCase(selectedTableName) &&
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rowColumnName.equalsIgnoreCase(selectedColumnName)) {
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int rowDataType = row.getInt("DATA_TYPE");
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if (rowDataType == Types.VARCHAR || rowDataType == Types.CHAR) {
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row.set("scale", selectedScale);
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}
|
row.set("IS_GENERATEDCOLUMN", "C".equals(selectedColumnType) ? "YES" : "NO");
|
break;
|
}
|
}
|
}
|
}
|
} catch (SQLException sqle) {
|
throw new RuntimeException(sqle);
|
//
|
// Do not stop
|
//
|
}
|
return;
|
}
|
|
//
|
// Query for actual data type for column. The actual DATA_TYPE column string is
|
// not returned by the DatabaseMetadata.getColumns() query, and it is needed
|
// to capture DATETIME(<precision>) data types.
|
//
|
StringBuilder selectStatement = new StringBuilder(
|
"SELECT TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME, DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = ?");
|
if(tableName != null) {
|
selectStatement.append(" AND TABLE_NAME = ?");
|
}
|
Connection underlyingConnection = ((JdbcConnection) database.getConnection()).getUnderlyingConnection();
|
PreparedStatement statement = underlyingConnection.prepareStatement(selectStatement.toString());
|
statement.setString(1, schemaName);
|
if (tableName != null) {
|
statement.setString(2, tableName);
|
}
|
try {
|
ResultSet columnSelectRS = statement.executeQuery(selectStatement.toString());
|
//
|
// Iterate the result set from the query and match the rows
|
// to the rows that were returned by getColumns() in order
|
// to assign the actual DATA_TYPE string to the appropriate row.
|
//
|
while (columnSelectRS.next()) {
|
String selectedTableName = columnSelectRS.getString("TABLE_NAME");
|
String selectedColumnName = columnSelectRS.getString("COLUMN_NAME");
|
String actualDataType = columnSelectRS.getString("DATA_TYPE");
|
for (CachedRow row : returnList) {
|
String rowTableName = row.getString("TABLE_NAME");
|
String rowColumnName = row.getString("COLUMN_NAME");
|
String rowTypeName = row.getString("TYPE_NAME");
|
int rowDataType = row.getInt("DATA_TYPE");
|
if (rowTableName.equalsIgnoreCase(selectedTableName) &&
|
rowColumnName.equalsIgnoreCase(selectedColumnName) &&
|
rowTypeName.equalsIgnoreCase("datetime") &&
|
rowDataType == Types.OTHER &&
|
!rowTypeName.equalsIgnoreCase(actualDataType)) {
|
row.set("TYPE_NAME", actualDataType);
|
row.set("DATA_TYPE", Types.TIMESTAMP);
|
break;
|
}
|
}
|
}
|
} catch (SQLException sqle) {
|
//
|
// Do not stop
|
//
|
}
|
finally {
|
JdbcUtil.closeStatement(statement);
|
}
|
}
|
|
protected boolean shouldReturnEmptyColumns(SQLException e) {
|
return e.getMessage().contains("references invalid table"); //view with table already dropped. Act like it has no columns.
|
}
|
|
protected List<CachedRow> oracleQuery(boolean bulk) throws DatabaseException, SQLException {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
|
String jdbcSchemaName = ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema);
|
boolean collectIdentityData = database.getDatabaseMajorVersion() >= OracleDatabase.ORACLE_12C_MAJOR_VERSION;
|
|
String sql = "select NULL AS TABLE_CAT, OWNER AS TABLE_SCHEM, 'NO' as IS_AUTOINCREMENT, cc.COMMENTS AS REMARKS," +
|
"OWNER, TABLE_NAME, COLUMN_NAME, DATA_TYPE AS DATA_TYPE_NAME, DATA_TYPE_MOD, DATA_TYPE_OWNER, " +
|
// note: oracle reports DATA_LENGTH=4*CHAR_LENGTH when using VARCHAR( <N> CHAR ), thus BYTEs
|
"DECODE (c.data_type, 'CHAR', 1, 'VARCHAR2', 12, 'NUMBER', 3, 'LONG', -1, 'DATE', " + "93" + ", 'RAW', -3, 'LONG RAW', -4, 'BLOB', 2004, 'CLOB', 2005, 'BFILE', -13, 'FLOAT', 6, 'TIMESTAMP(6)', 93, 'TIMESTAMP(6) WITH TIME ZONE', -101, 'TIMESTAMP(6) WITH LOCAL TIME ZONE', -102, 'INTERVAL YEAR(2) TO MONTH', -103, 'INTERVAL DAY(2) TO SECOND(6)', -104, 'BINARY_FLOAT', 100, 'BINARY_DOUBLE', 101, 'XMLTYPE', 2009, 1111) AS data_type, " +
|
"DECODE( CHAR_USED, 'C',CHAR_LENGTH, DATA_LENGTH ) as DATA_LENGTH, " +
|
"DATA_PRECISION, DATA_SCALE, NULLABLE, COLUMN_ID as ORDINAL_POSITION, DEFAULT_LENGTH, " +
|
"DATA_DEFAULT, " +
|
"NUM_BUCKETS, CHARACTER_SET_NAME, " +
|
"CHAR_COL_DECL_LENGTH, CHAR_LENGTH, " +
|
"CHAR_USED, VIRTUAL_COLUMN ";
|
if (collectIdentityData) {
|
sql += ", DEFAULT_ON_NULL, IDENTITY_COLUMN, ic.GENERATION_TYPE ";
|
}
|
sql += "FROM ALL_TAB_COLS c " +
|
"JOIN ALL_COL_COMMENTS cc USING ( OWNER, TABLE_NAME, COLUMN_NAME ) ";
|
if (collectIdentityData) {
|
sql += "LEFT JOIN ALL_TAB_IDENTITY_COLS ic USING (OWNER, TABLE_NAME, COLUMN_NAME ) ";
|
}
|
if (!bulk || getAllCatalogsStringScratchData() == null) {
|
sql += "WHERE OWNER='" + jdbcSchemaName + "' AND hidden_column='NO'";
|
} else {
|
sql += "WHERE OWNER IN ('" + jdbcSchemaName + "', " + getAllCatalogsStringScratchData() + ") AND hidden_column='NO'";
|
}
|
|
if (!bulk) {
|
if (tableName != null) {
|
sql += " AND TABLE_NAME='" + database.escapeStringForDatabase(tableName) + "'";
|
}
|
if (columnName != null) {
|
sql += " AND COLUMN_NAME='" + database.escapeStringForDatabase(columnName) + "'";
|
}
|
}
|
sql += " AND " + ((OracleDatabase) database).getSystemTableWhereClause("TABLE_NAME");
|
sql += " ORDER BY OWNER, TABLE_NAME, c.COLUMN_ID";
|
|
return this.executeAndExtract(sql, database);
|
}
|
|
|
protected List<CachedRow> mssqlQuery(boolean bulk) throws DatabaseException, SQLException {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
|
String databaseName = StringUtil.trimToNull(database.correctObjectName(catalogAndSchema.getCatalogName(), Catalog.class));
|
String dbIdParam;
|
String databasePrefix;
|
if (databaseName == null) {
|
databasePrefix = "";
|
dbIdParam = "";
|
} else {
|
dbIdParam = ", db_id('" + databaseName + "')";
|
databasePrefix = "[" + databaseName + "].";
|
}
|
|
String sql = "select " +
|
"db_name(" + (databaseName == null ? "" : "db_id('" + databaseName + "')") + ") AS TABLE_CAT, " +
|
"object_schema_name(c.object_id" + dbIdParam + ") AS TABLE_SCHEM, " +
|
"object_name(c.object_id" + dbIdParam + ") AS TABLE_NAME, " +
|
"c.name AS COLUMN_NAME, " +
|
"is_filestream AS IS_FILESTREAM, " +
|
"is_rowguidcol AS IS_ROWGUIDCOL, " +
|
"CASE WHEN c.is_identity = 'true' THEN 'YES' ELSE 'NO' END as IS_AUTOINCREMENT, " +
|
"{REMARKS_COLUMN_PLACEHOLDER}" +
|
"t.name AS TYPE_NAME, " +
|
"dc.name as COLUMN_DEF_NAME, " +
|
"dc.definition as COLUMN_DEF, " +
|
// data type mapping from https://msdn.microsoft.com/en-us/library/ms378878(v=sql.110).aspx
|
"CASE t.name " +
|
"WHEN 'bigint' THEN " + java.sql.Types.BIGINT + " " +
|
"WHEN 'binary' THEN " + java.sql.Types.BINARY + " " +
|
"WHEN 'bit' THEN " + java.sql.Types.BIT + " " +
|
"WHEN 'char' THEN " + java.sql.Types.CHAR + " " +
|
"WHEN 'date' THEN " + java.sql.Types.DATE + " " +
|
"WHEN 'datetime' THEN " + java.sql.Types.TIMESTAMP + " " +
|
"WHEN 'datetime2' THEN " + java.sql.Types.TIMESTAMP + " " +
|
"WHEN 'datetimeoffset' THEN -155 " +
|
"WHEN 'decimal' THEN " + java.sql.Types.DECIMAL + " " +
|
"WHEN 'float' THEN " + java.sql.Types.DOUBLE + " " +
|
"WHEN 'image' THEN " + java.sql.Types.LONGVARBINARY + " " +
|
"WHEN 'int' THEN " + java.sql.Types.INTEGER + " " +
|
"WHEN 'money' THEN " + java.sql.Types.DECIMAL + " " +
|
"WHEN 'nchar' THEN " + java.sql.Types.NCHAR + " " +
|
"WHEN 'ntext' THEN " + java.sql.Types.LONGNVARCHAR + " " +
|
"WHEN 'numeric' THEN " + java.sql.Types.NUMERIC + " " +
|
"WHEN 'nvarchar' THEN " + java.sql.Types.NVARCHAR + " " +
|
"WHEN 'real' THEN " + Types.REAL + " " +
|
"WHEN 'smalldatetime' THEN " + java.sql.Types.TIMESTAMP + " " +
|
"WHEN 'smallint' THEN " + java.sql.Types.SMALLINT + " " +
|
"WHEN 'smallmoney' THEN " + java.sql.Types.DECIMAL + " " +
|
"WHEN 'text' THEN " + java.sql.Types.LONGVARCHAR + " " +
|
"WHEN 'time' THEN " + java.sql.Types.TIME + " " +
|
"WHEN 'timestamp' THEN " + java.sql.Types.BINARY + " " +
|
"WHEN 'tinyint' THEN " + java.sql.Types.TINYINT + " " +
|
"WHEN 'udt' THEN " + java.sql.Types.VARBINARY + " " +
|
"WHEN 'uniqueidentifier' THEN " + java.sql.Types.CHAR + " " +
|
"WHEN 'varbinary' THEN " + java.sql.Types.VARBINARY + " " +
|
"WHEN 'varbinary(max)' THEN " + java.sql.Types.VARBINARY + " " +
|
"WHEN 'varchar' THEN " + java.sql.Types.VARCHAR + " " +
|
"WHEN 'varchar(max)' THEN " + java.sql.Types.VARCHAR + " " +
|
"WHEN 'xml' THEN " + java.sql.Types.LONGVARCHAR + " " +
|
"WHEN 'LONGNVARCHAR' THEN " + java.sql.Types.SQLXML + " " +
|
"ELSE " + Types.OTHER + " END AS DATA_TYPE, " +
|
"CASE WHEN c.is_nullable = 'true' THEN 1 ELSE 0 END AS NULLABLE, " +
|
"10 as NUM_PREC_RADIX, " +
|
"c.column_id as ORDINAL_POSITION, " +
|
"c.scale as DECIMAL_DIGITS, " +
|
"c.max_length as COLUMN_SIZE, " +
|
"c.precision as DATA_PRECISION, " +
|
"c.is_computed as IS_COMPUTED " +
|
"FROM " + databasePrefix + "sys.columns c " +
|
"inner join " + databasePrefix + "sys.types t on c.user_type_id=t.user_type_id " +
|
"{REMARKS_JOIN_PLACEHOLDER}" +
|
"left outer join " + databasePrefix + "sys.default_constraints dc on dc.parent_column_id = c.column_id AND dc.parent_object_id=c.object_id AND type_desc='DEFAULT_CONSTRAINT' " +
|
"WHERE object_schema_name(c.object_id" + dbIdParam + ")='" + ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema) + "'";
|
|
|
if (!bulk) {
|
if (tableName != null) {
|
sql += " and object_name(c.object_id" + dbIdParam + ")='" + database.escapeStringForDatabase(tableName) + "'";
|
}
|
if (columnName != null) {
|
sql += " and c.name='" + database.escapeStringForDatabase(columnName) + "'";
|
}
|
}
|
sql += "order by object_schema_name(c.object_id" + dbIdParam + "), object_name(c.object_id" + dbIdParam + "), c.column_id";
|
|
|
// sys.extended_properties is added to Azure on V12: https://feedback.azure.com/forums/217321-sql-database/suggestions/6549815-add-sys-extended-properties-for-meta-data-support
|
if ((!((MSSQLDatabase) database).isAzureDb()) // Either NOT AzureDB (=SQL Server 2008 or higher)
|
|| (database.getDatabaseMajorVersion() >= 12)) { // or at least AzureDB v12
|
// SQL Server 2005 or later
|
// https://technet.microsoft.com/en-us/library/ms177541.aspx
|
sql = sql.replace("{REMARKS_COLUMN_PLACEHOLDER}", "CAST([ep].[value] AS [nvarchar](MAX)) AS [REMARKS], ");
|
sql = sql.replace("{REMARKS_JOIN_PLACEHOLDER}", "left outer join " + databasePrefix + "[sys].[extended_properties] AS [ep] ON [ep].[class] = 1 " +
|
"AND [ep].[major_id] = c.object_id " +
|
"AND [ep].[minor_id] = column_id " +
|
"AND [ep].[name] = 'MS_Description' ");
|
} else {
|
sql = sql.replace("{REMARKS_COLUMN_PLACEHOLDER}", "");
|
sql = sql.replace("{REMARKS_JOIN_PLACEHOLDER}", "");
|
}
|
|
List<CachedRow> rows = this.executeAndExtract(sql, database);
|
|
for (CachedRow row : rows) {
|
String typeName = row.getString("TYPE_NAME");
|
if ("nvarchar".equals(typeName) || "nchar".equals(typeName)) {
|
Integer size = row.getInt("COLUMN_SIZE");
|
if (size > 0) {
|
row.set("COLUMN_SIZE", size / 2);
|
}
|
} else if ((row.getInt("DATA_PRECISION") != null) && (row.getInt("DATA_PRECISION") > 0)) {
|
row.set("COLUMN_SIZE", row.getInt("DATA_PRECISION"));
|
}
|
}
|
|
return rows;
|
}
|
|
@Override
|
protected List<CachedRow> extract(ResultSet resultSet, boolean informixIndexTrimHint) throws SQLException {
|
List<CachedRow> rows = super.extract(resultSet, informixIndexTrimHint);
|
if ((database instanceof MSSQLDatabase) && !userDefinedTypes.isEmpty()) { //UDT types in MSSQL don't take parameters
|
for (CachedRow row : rows) {
|
String dataType = (String) row.get("TYPE_NAME");
|
if (userDefinedTypes.contains(dataType.toLowerCase())) {
|
row.set("COLUMN_SIZE", null);
|
row.set("DECIMAL_DIGITS ", null);
|
}
|
}
|
}
|
return rows;
|
}
|
}
|
|
private class ForeignKeysResultSetCache extends ResultSetCache.UnionResultSetExtractor {
|
final String catalogName;
|
final String schemaName;
|
final String tableName;
|
final String fkName;
|
|
private ForeignKeysResultSetCache(Database database, String catalogName, String schemaName, String tableName, String fkName) {
|
super(database);
|
this.catalogName = catalogName;
|
this.schemaName = schemaName;
|
this.tableName = tableName;
|
this.fkName = fkName;
|
}
|
|
@Override
|
public ResultSetCache.RowData rowKeyParameters(CachedRow row) {
|
return new ResultSetCache.RowData(row.getString("FKTABLE_CAT"), row.getString("FKTABLE_SCHEM"), database, row.getString("FKTABLE_NAME"), row.getString("FK_NAME"));
|
}
|
|
@Override
|
public ResultSetCache.RowData wantedKeyParameters() {
|
return new ResultSetCache.RowData(catalogName, schemaName, database, tableName, fkName);
|
}
|
|
@Override
|
public boolean bulkContainsSchema(String schemaKey) {
|
return database instanceof OracleDatabase;
|
}
|
|
@Override
|
public String getSchemaKey(CachedRow row) {
|
return row.getString("FKTABLE_SCHEM");
|
}
|
|
@Override
|
public List<CachedRow> fastFetch() throws SQLException, DatabaseException {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
|
String jdbcCatalogName = ((AbstractJdbcDatabase) database).getJdbcCatalogName(catalogAndSchema);
|
String jdbcSchemaName = ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema);
|
|
if (database instanceof DB2Database) {
|
if (database.getDatabaseProductName().startsWith("DB2 UDB for AS/400")) {
|
executeAndExtract(getDB2ForAs400Sql(jdbcSchemaName, tableName), database);
|
}
|
return querytDB2Luw(jdbcSchemaName, tableName);
|
} else if (database instanceof Db2zDatabase) {
|
return queryDb2Zos(catalogAndSchema, tableName);
|
} else {
|
List<String> tables = new ArrayList<>();
|
if (tableName == null) {
|
for (CachedRow row : getTables(jdbcCatalogName, jdbcSchemaName, null)) {
|
tables.add(row.getString("TABLE_NAME"));
|
}
|
} else {
|
tables.add(tableName);
|
}
|
|
List<CachedRow> returnList = new ArrayList<>();
|
for (String foundTable : tables) {
|
if (database instanceof OracleDatabase) {
|
throw new RuntimeException("Should have bulk selected");
|
} else {
|
returnList.addAll(extract(databaseMetaData.getImportedKeys(jdbcCatalogName, jdbcSchemaName, foundTable)));
|
}
|
}
|
|
return returnList;
|
}
|
}
|
|
@Override
|
public List<CachedRow> bulkFetch() throws SQLException, DatabaseException {
|
if (database instanceof OracleDatabase) {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
String jdbcSchemaName = ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema);
|
String sql = getOracleSql(jdbcSchemaName);
|
return executeAndExtract(sql, database);
|
} else if (database instanceof DB2Database) {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
String jdbcSchemaName = ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema);
|
if (database.getDatabaseProductName().startsWith("DB2 UDB for AS/400")) {
|
executeAndExtract(getDB2ForAs400Sql(jdbcSchemaName, null), database);
|
}
|
return querytDB2Luw(jdbcSchemaName, null);
|
} else if (database instanceof Db2zDatabase) {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
return queryDb2Zos(catalogAndSchema, null);
|
} else if (database instanceof MSSQLDatabase) {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
String jdbcSchemaName = ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema);
|
String sql = getMSSQLSql(jdbcSchemaName, tableName);
|
return executeAndExtract(sql, database);
|
} else {
|
throw new RuntimeException("Cannot bulk select");
|
}
|
}
|
|
protected String getOracleSql(String jdbcSchemaName) {
|
String sql = "SELECT /*+rule*/" +
|
" NULL AS pktable_cat, " +
|
" p.owner as pktable_schem, " +
|
" p.table_name as pktable_name, " +
|
" pc.column_name as pkcolumn_name, " +
|
" NULL as fktable_cat, " +
|
" f.owner as fktable_schem, " +
|
" f.table_name as fktable_name, " +
|
" fc.column_name as fkcolumn_name, " +
|
" fc.position as key_seq, " +
|
" NULL as update_rule, " +
|
" decode (f.delete_rule, 'CASCADE', 0, 'SET NULL', 2, 1) as delete_rule, " +
|
" f.constraint_name as fk_name, " +
|
" p.constraint_name as pk_name, " +
|
" decode(f.deferrable, 'DEFERRABLE', 5, 'NOT DEFERRABLE', 7, 'DEFERRED', 6) deferrability, " +
|
" f.validated as fk_validate " +
|
"FROM " +
|
"all_cons_columns pc " +
|
"INNER JOIN all_constraints p " +
|
"ON pc.owner = p.owner " +
|
"AND pc.constraint_name = p.constraint_name " +
|
"INNER JOIN all_constraints f " +
|
"ON pc.owner = f.r_owner " +
|
"AND pc.constraint_name = f.r_constraint_name " +
|
"INNER JOIN all_cons_columns fc " +
|
"ON fc.owner = f.owner " +
|
"AND fc.constraint_name = f.constraint_name " +
|
"AND fc.position = pc.position ";
|
if (getAllCatalogsStringScratchData() == null) {
|
sql += "WHERE f.owner = '" + jdbcSchemaName + "' ";
|
} else {
|
sql += "WHERE f.owner IN ('" + jdbcSchemaName + "', " + getAllCatalogsStringScratchData() + ") ";
|
}
|
sql += "AND p.constraint_type in ('P', 'U') " +
|
"AND f.constraint_type = 'R' " +
|
"AND p.table_name NOT LIKE 'BIN$%' " +
|
"ORDER BY fktable_schem, fktable_name, key_seq";
|
return sql;
|
}
|
|
protected String getMSSQLSql(String jdbcSchemaName, String tableName) {
|
//comes from select object_definition(object_id('sp_fkeys'))
|
return "select " +
|
"convert(sysname,db_name()) AS PKTABLE_CAT, " +
|
"convert(sysname,schema_name(o1.schema_id)) AS PKTABLE_SCHEM, " +
|
"convert(sysname,o1.name) AS PKTABLE_NAME, " +
|
"convert(sysname,c1.name) AS PKCOLUMN_NAME, " +
|
"convert(sysname,db_name()) AS FKTABLE_CAT, " +
|
"convert(sysname,schema_name(o2.schema_id)) AS FKTABLE_SCHEM, " +
|
"convert(sysname,o2.name) AS FKTABLE_NAME, " +
|
"convert(sysname,c2.name) AS FKCOLUMN_NAME, " +
|
"isnull(convert(smallint,k.constraint_column_id), convert(smallint,0)) AS KEY_SEQ, " +
|
"convert(smallint, case ObjectProperty(f.object_id, 'CnstIsUpdateCascade') when 1 then 0 else 1 end) AS UPDATE_RULE, " +
|
"convert(smallint, case ObjectProperty(f.object_id, 'CnstIsDeleteCascade') when 1 then 0 else 1 end) AS DELETE_RULE, " +
|
"convert(sysname,object_name(f.object_id)) AS FK_NAME, " +
|
"convert(sysname,i.name) AS PK_NAME, " +
|
"convert(smallint, 7) AS DEFERRABILITY " +
|
"from " +
|
"sys.objects o1, " +
|
"sys.objects o2, " +
|
"sys.columns c1, " +
|
"sys.columns c2, " +
|
"sys.foreign_keys f inner join " +
|
"sys.foreign_key_columns k on (k.constraint_object_id = f.object_id) inner join " +
|
"sys.indexes i on (f.referenced_object_id = i.object_id and f.key_index_id = i.index_id) " +
|
"where " +
|
"o1.object_id = f.referenced_object_id and " +
|
"o2.object_id = f.parent_object_id and " +
|
"c1.object_id = f.referenced_object_id and " +
|
"c2.object_id = f.parent_object_id and " +
|
"c1.column_id = k.referenced_column_id and " +
|
"c2.column_id = k.parent_column_id and " +
|
"((object_schema_name(o1.object_id)='" + jdbcSchemaName + "'" +
|
" and convert(sysname,schema_name(o2.schema_id))='" + jdbcSchemaName + "' and " +
|
"convert(sysname,o2.name)='" + tableName + "' ) or ( convert(sysname,schema_name" +
|
"(o2.schema_id))='" + jdbcSchemaName + "' and convert(sysname,o2.name)='" + tableName +
|
"' )) order by 5, 6, 7, 9, 8";
|
}
|
|
private List<CachedRow> querytDB2Luw(String jdbcSchemaName, String tableName) throws DatabaseException, SQLException {
|
List<String> parameters = new ArrayList<>(2);
|
StringBuilder sql = new StringBuilder ("SELECT " +
|
" pk_col.tabschema AS pktable_cat, " +
|
" pk_col.tabname as pktable_name, " +
|
" pk_col.colname as pkcolumn_name, " +
|
" fk_col.tabschema as fktable_cat, " +
|
" fk_col.tabname as fktable_name, " +
|
" fk_col.colname as fkcolumn_name, " +
|
" fk_col.colseq as key_seq, " +
|
" decode (ref.updaterule, 'A', 3, 'R', 1, 1) as update_rule, " +
|
" decode (ref.deleterule, 'A', 3, 'C', 0, 'N', 2, 'R', 1, 1) as delete_rule, " +
|
" ref.constname as fk_name, " +
|
" ref.refkeyname as pk_name, " +
|
" 7 as deferrability " +
|
"FROM " +
|
"syscat.references ref " +
|
"join syscat.keycoluse fk_col on ref.constname=fk_col.constname and ref.tabschema=fk_col.tabschema and ref.tabname=fk_col.tabname " +
|
"join syscat.keycoluse pk_col on ref.refkeyname=pk_col.constname and ref.reftabschema=pk_col.tabschema and ref.reftabname=pk_col.tabname and pk_col.colseq=fk_col.colseq " +
|
"WHERE ref.tabschema = ? ");
|
parameters.add(jdbcSchemaName);
|
if (tableName != null) {
|
sql.append("and fk_col.tabname = ? ");
|
parameters.add(tableName);
|
}
|
sql.append("ORDER BY fk_col.colseq");
|
return executeAndExtract(database, sql.toString(), parameters.toArray());
|
}
|
|
private String getDB2ForAs400Sql(String jdbcSchemaName, String tableName) {
|
return "SELECT " +
|
"pktable_cat, " +
|
"pktable_name, " +
|
"pkcolumn_name, " +
|
"fktable_cat, " +
|
"fktable_name, " +
|
"fkcolumn_name, " +
|
"key_seq, " +
|
"update_rule, " +
|
"delete_rule, " +
|
"fk_name, " +
|
"pk_name, " +
|
"deferrability " +
|
"FROM " +
|
"sysibm.SQLFORKEYS " +
|
"WHERE " +
|
"FKTABLE_SCHEM = '" + jdbcSchemaName + "' " +
|
"AND FKTABLE_NAME = '" + tableName + "'";
|
}
|
|
protected List<CachedRow> queryDb2Zos(CatalogAndSchema catalogAndSchema, String tableName) throws DatabaseException, SQLException {
|
|
List<String> parameters = new ArrayList<>(2);
|
StringBuilder sql = new StringBuilder("SELECT " +
|
" ref.REFTBCREATOR AS pktable_cat, " +
|
" ref.REFTBNAME as pktable_name, " +
|
" pk_col.colname as pkcolumn_name, " +
|
" ref.CREATOR as fktable_cat, " +
|
" ref.TBNAME as fktable_name, " +
|
" fk_col.colname as fkcolumn_name, " +
|
" fk_col.colseq as key_seq, " +
|
" decode (ref.deleterule, 'A', 3, 'C', 0, 'N', 2, 'R', 1, 1) as delete_rule, " +
|
" ref.relname as fk_name, " +
|
" pk_col.colname as pk_name, " +
|
" 7 as deferrability " +
|
"FROM " +
|
"SYSIBM.SYSRELS ref " +
|
"join SYSIBM.SYSFOREIGNKEYS fk_col " +
|
"on ref.relname = fk_col.RELNAME " +
|
"and ref.CREATOR = fk_col.CREATOR " +
|
"and ref.TBNAME = fk_col.TBNAME " +
|
"join SYSIBM.SYSKEYCOLUSE pk_col " +
|
"on ref.REFTBCREATOR = pk_col.TBCREATOR " +
|
"and ref.REFTBNAME = pk_col.TBNAME " +
|
"and pk_col.colseq=fk_col.colseq " +
|
"WHERE ref.CREATOR = ? ");
|
parameters.add(((AbstractJdbcDatabase) CachingDatabaseMetaData.this.database).getJdbcSchemaName(catalogAndSchema));
|
if (tableName != null) {
|
sql.append("AND ref.TBNAME = ? ");
|
parameters.add(tableName);
|
}
|
sql.append("ORDER BY fk_col.colseq");
|
|
return executeAndExtract(CachingDatabaseMetaData.this.database, sql.toString(), parameters.toArray());
|
}
|
|
@Override
|
protected boolean shouldBulkSelect(String schemaKey, ResultSetCache resultSetCache) {
|
if (database instanceof AbstractDb2Database || database instanceof MSSQLDatabase) {
|
return super.shouldBulkSelect(schemaKey, resultSetCache); //can bulk and fast fetch
|
} else {
|
return database instanceof OracleDatabase; //oracle is slow, always bulk select while you are at it. Other databases need to go through all tables.
|
}
|
}
|
}
|
|
private class GetNotNullConstraintsResultSetCache extends ResultSetCache.SingleResultSetExtractor {
|
final String catalogName;
|
final String schemaName;
|
final String tableName;
|
|
private GetNotNullConstraintsResultSetCache(Database database, String catalogName, String schemaName, String tableName) {
|
super(database);
|
this.catalogName = catalogName;
|
this.schemaName = schemaName;
|
this.tableName = tableName;
|
}
|
|
@Override
|
public ResultSetCache.RowData rowKeyParameters(CachedRow row) {
|
return new ResultSetCache.RowData(row.getString("TABLE_CAT"), row.getString("TABLE_SCHEMA"),
|
database, row.getString("TABLE_NAME"));
|
}
|
|
@Override
|
public ResultSetCache.RowData wantedKeyParameters() {
|
return new ResultSetCache.RowData(catalogName, schemaName, database, tableName);
|
}
|
|
@Override
|
public boolean bulkContainsSchema(String schemaKey) {
|
return database instanceof OracleDatabase;
|
}
|
|
@Override
|
public String getSchemaKey(CachedRow row) {
|
return row.getString("TABLE_SCHEMA");
|
}
|
|
@Override
|
protected boolean shouldBulkSelect(String schemaKey, ResultSetCache resultSetCache) {
|
LiquibaseTableNamesFactory liquibaseTableNamesFactory = Scope.getCurrentScope().getSingleton(LiquibaseTableNamesFactory.class);
|
List<String> liquibaseTableNames = liquibaseTableNamesFactory.getLiquibaseTableNames(database);
|
return liquibaseTableNames.stream().noneMatch(tableName::equalsIgnoreCase);
|
}
|
|
@Override
|
public List<CachedRow> fastFetchQuery() throws SQLException, DatabaseException {
|
if (database instanceof OracleDatabase) {
|
return oracleQuery(false);
|
}
|
return Collections.emptyList();
|
}
|
|
@Override
|
public List<CachedRow> bulkFetchQuery() throws SQLException, DatabaseException {
|
if (database instanceof OracleDatabase) {
|
return oracleQuery(true);
|
}
|
return Collections.emptyList();
|
}
|
|
private List<CachedRow> oracleQuery(boolean bulk) throws DatabaseException, SQLException {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
|
String jdbcSchemaName = ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema);
|
String jdbcTableName = database.escapeStringForDatabase(tableName);
|
String sqlToSelectNotNullConstraints = "SELECT NULL AS TABLE_CAT, atc.OWNER AS TABLE_SCHEMA, atc.OWNER, atc.TABLE_NAME, " +
|
"atc.COLUMN_NAME, NULLABLE, ac.VALIDATED as VALIDATED, ac.SEARCH_CONDITION, ac.CONSTRAINT_NAME " +
|
"FROM ALL_TAB_COLS atc " +
|
"JOIN all_cons_columns acc ON atc.OWNER = acc.OWNER AND atc.TABLE_NAME = acc.TABLE_NAME AND atc.COLUMN_NAME = acc.COLUMN_NAME " +
|
"JOIN all_constraints ac ON atc.OWNER = ac.OWNER AND atc.TABLE_NAME = ac.TABLE_NAME AND acc.CONSTRAINT_NAME = ac.CONSTRAINT_NAME ";
|
|
if (!bulk || getAllCatalogsStringScratchData() == null) {
|
sqlToSelectNotNullConstraints += " WHERE atc.OWNER='" + jdbcSchemaName + "' AND atc.hidden_column='NO' AND ac.CONSTRAINT_TYPE='C' and ac.search_condition is not null ";
|
} else {
|
sqlToSelectNotNullConstraints += " WHERE atc.OWNER IN ('" + jdbcSchemaName + "', " + getAllCatalogsStringScratchData() + ") "
|
+ " AND atc.hidden_column='NO' AND ac.CONSTRAINT_TYPE='C' and ac.search_condition is not null ";
|
}
|
|
sqlToSelectNotNullConstraints += (!bulk && tableName != null && !tableName.isEmpty()) ? " AND atc.TABLE_NAME='" + jdbcTableName + "'" : "";
|
|
return this.executeAndExtract(sqlToSelectNotNullConstraints, database);
|
}
|
|
@Override
|
protected List<CachedRow> extract(ResultSet resultSet, boolean informixIndexTrimHint) throws SQLException {
|
List<CachedRow> cachedRowList = new ArrayList<>();
|
if (!(database instanceof OracleDatabase)) {
|
return cachedRowList;
|
}
|
|
resultSet.setFetchSize(database.getFetchSize());
|
|
try {
|
List<Map> result = (List<Map>) new RowMapperNotNullConstraintsResultSetExtractor(new ColumnMapRowMapper(database.isCaseSensitive()) {
|
@Override
|
protected Object getColumnValue(ResultSet rs, int index) throws SQLException {
|
Object value = super.getColumnValue(rs, index);
|
if (!(value instanceof String)) {
|
return value;
|
}
|
return value.toString().trim();
|
}
|
}).extractData(resultSet);
|
|
for (Map row : result) {
|
cachedRowList.add(new CachedRow(row));
|
}
|
} finally {
|
JdbcUtil.closeResultSet(resultSet);
|
}
|
return cachedRowList;
|
|
}
|
}
|
|
public List<CachedRow> getTables(final String catalogName, final String schemaName, final String table) throws DatabaseException {
|
return getResultSetCache("getTables").get(new ResultSetCache.SingleResultSetExtractor(database) {
|
|
@Override
|
protected boolean shouldBulkSelect(String schemaKey, ResultSetCache resultSetCache) {
|
return table == null || getAllCatalogsStringScratchData() != null || super.shouldBulkSelect(schemaKey, resultSetCache);
|
}
|
|
@Override
|
public ResultSetCache.RowData rowKeyParameters(CachedRow row) {
|
return new ResultSetCache.RowData(row.getString("TABLE_CAT"), row.getString("TABLE_SCHEM"), database, row.getString("TABLE_NAME"));
|
}
|
|
@Override
|
public ResultSetCache.RowData wantedKeyParameters() {
|
return new ResultSetCache.RowData(catalogName, schemaName, database, table);
|
}
|
|
@Override
|
public boolean bulkContainsSchema(String schemaKey) {
|
return database instanceof OracleDatabase;
|
}
|
|
@Override
|
public String getSchemaKey(CachedRow row) {
|
return row.getString("TABLE_SCHEM");
|
}
|
|
@Override
|
public List<CachedRow> fastFetchQuery() throws SQLException, DatabaseException {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
|
if (database instanceof OracleDatabase) {
|
// JNPF 补丁：达梦 DM8 走 OracleDatabase 方言，但不支持 ALL_QUEUE_TABLES，需单独查询
|
if (FlowUtil.isDM(database.getConnection().getURL())) {
|
return queryDM(catalogAndSchema, table);
|
}
|
return queryOracle(catalogAndSchema, table);
|
} else if (database instanceof MSSQLDatabase) {
|
return queryMssql(catalogAndSchema, table);
|
} else if (database instanceof Db2zDatabase) {
|
return queryDb2Zos(catalogAndSchema, table);
|
} else if (database instanceof PostgresDatabase) {
|
return queryPostgres(catalogAndSchema, table);
|
}
|
|
String catalog = ((AbstractJdbcDatabase) database).getJdbcCatalogName(catalogAndSchema);
|
String schema = ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema);
|
return extract(databaseMetaData.getTables(catalog, escapeForLike(schema, database), ((table == null) ?
|
SQL_FILTER_MATCH_ALL : escapeForLike(table, database)), new String[]{"TABLE"}));
|
}
|
|
@Override
|
public List<CachedRow> bulkFetchQuery() throws SQLException, DatabaseException {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
|
if (database instanceof OracleDatabase) {
|
// JNPF 补丁：达梦 DM8 走 OracleDatabase 方言，但不支持 ALL_QUEUE_TABLES，需单独查询
|
if (FlowUtil.isDM(database.getConnection().getURL())) {
|
return queryDM(catalogAndSchema, null);
|
}
|
return queryOracle(catalogAndSchema, null);
|
} else if (database instanceof MSSQLDatabase) {
|
return queryMssql(catalogAndSchema, null);
|
} else if (database instanceof Db2zDatabase) {
|
return queryDb2Zos(catalogAndSchema, null);
|
} else if (database instanceof PostgresDatabase) {
|
return queryPostgres(catalogAndSchema, table);
|
}
|
|
String catalog = ((AbstractJdbcDatabase) database).getJdbcCatalogName(catalogAndSchema);
|
String schema = ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema);
|
return extract(databaseMetaData.getTables(catalog, escapeForLike(schema, database), SQL_FILTER_MATCH_ALL, new String[]{"TABLE"}));
|
}
|
|
private List<CachedRow> queryMssql(CatalogAndSchema catalogAndSchema, String tableName) throws DatabaseException, SQLException {
|
String ownerName = database.correctObjectName(catalogAndSchema.getSchemaName(), Schema.class);
|
|
String databaseName = StringUtil.trimToNull(database.correctObjectName(catalogAndSchema.getCatalogName(), Catalog.class));
|
String dbIdParam;
|
String databasePrefix;
|
if (databaseName == null) {
|
databasePrefix = "";
|
dbIdParam = "";
|
} else {
|
dbIdParam = ", db_id('" + databaseName + "')";
|
databasePrefix = "[" + databaseName + "].";
|
}
|
|
|
//From select object_definition(object_id('sp_tables'))
|
String sql = "select " +
|
"db_name(" + (databaseName == null ? "" : "db_id('" + databaseName + "')") + ") AS TABLE_CAT, " +
|
"convert(sysname,object_schema_name(o.object_id" + dbIdParam + ")) AS TABLE_SCHEM, " +
|
"convert(sysname,o.name) AS TABLE_NAME, " +
|
"'TABLE' AS TABLE_TYPE, " +
|
"CAST(ep.value as varchar(max)) as REMARKS " +
|
"from " + databasePrefix + "sys.all_objects o " +
|
"left outer join sys.extended_properties ep on ep.name='MS_Description' and major_id=o.object_id and minor_id=0 " +
|
"where " +
|
"o.type in ('U') " +
|
"and has_perms_by_name(" + (databaseName == null ? "" : "quotename('" + databaseName + "') + '.' + ") + "quotename(object_schema_name(o.object_id" + dbIdParam + ")) + '.' + quotename(o.name), 'object', 'select') = 1 " +
|
"and charindex(substring(o.type,1,1),'U') <> 0 " +
|
"and object_schema_name(o.object_id" + dbIdParam + ")='" + database.escapeStringForDatabase(ownerName) + "'";
|
if (tableName != null) {
|
sql += " AND o.name='" + database.escapeStringForDatabase(tableName) + "' ";
|
}
|
sql += "order by 4, 1, 2, 3";
|
|
return executeAndExtract(sql, database);
|
}
|
|
private List<CachedRow> queryOracle(CatalogAndSchema catalogAndSchema, String tableName) throws DatabaseException, SQLException {
|
String ownerName = database.correctObjectName(catalogAndSchema.getCatalogName(), Schema.class);
|
|
String sql = "SELECT null as TABLE_CAT, a.OWNER as TABLE_SCHEM, a.TABLE_NAME as TABLE_NAME, " +
|
"a.TEMPORARY as TEMPORARY, a.DURATION as DURATION, 'TABLE' as TABLE_TYPE, " +
|
"c.COMMENTS as REMARKS, A.tablespace_name as tablespace_name, CASE WHEN A.tablespace_name = " +
|
"(SELECT DEFAULT_TABLESPACE FROM USER_USERS) THEN 'true' ELSE null END as default_tablespace " +
|
"from ALL_TABLES a " +
|
"join ALL_TAB_COMMENTS c on a.TABLE_NAME=c.table_name and a.owner=c.owner " +
|
"left outer join ALL_QUEUE_TABLES q ON a.TABLE_NAME = q.QUEUE_TABLE and a.OWNER = q.OWNER " +
|
"WHERE q.QUEUE_TABLE is null ";
|
String allCatalogsString = getAllCatalogsStringScratchData();
|
if (tableName != null || allCatalogsString == null) {
|
sql += "AND a.OWNER='" + ownerName + "'";
|
} else {
|
sql += "AND a.OWNER IN ('" + ownerName + "', " + allCatalogsString + ")";
|
}
|
if (tableName != null) {
|
sql += " AND a.TABLE_NAME='" + tableName + "'";
|
}
|
|
return executeAndExtract(sql, database);
|
}
|
|
// JNPF 补丁：达梦 DM8 版表清单查询（同 queryOracle 但无 ALL_QUEUE_TABLES 关联）
|
private List<CachedRow> queryDM(CatalogAndSchema catalogAndSchema, String tableName) throws DatabaseException, SQLException {
|
String ownerName = database.correctObjectName(catalogAndSchema.getCatalogName(), Schema.class);
|
|
String sql = "SELECT null as TABLE_CAT, a.OWNER as TABLE_SCHEM, a.TABLE_NAME as TABLE_NAME, " +
|
"a.TEMPORARY as TEMPORARY, a.DURATION as DURATION, 'TABLE' as TABLE_TYPE, " +
|
"c.COMMENTS as REMARKS, A.tablespace_name as tablespace_name, CASE WHEN A.tablespace_name = " +
|
"(SELECT DEFAULT_TABLESPACE FROM USER_USERS) THEN 'true' ELSE null END as default_tablespace " +
|
"from ALL_TABLES a " +
|
"join ALL_TAB_COMMENTS c on a.TABLE_NAME=c.table_name and a.owner=c.owner ";
|
String allCatalogsString = getAllCatalogsStringScratchData();
|
if (tableName != null || allCatalogsString == null) {
|
sql += "AND a.OWNER='" + ownerName + "'";
|
} else {
|
sql += "AND a.OWNER IN ('" + ownerName + "', " + allCatalogsString + ")";
|
}
|
if (tableName != null) {
|
sql += " AND a.TABLE_NAME='" + tableName + "'";
|
}
|
|
return executeAndExtract(sql, database);
|
}
|
|
private List<CachedRow> queryDb2Zos(CatalogAndSchema catalogAndSchema, String tableName) throws DatabaseException, SQLException {
|
String ownerName = database.correctObjectName(catalogAndSchema.getCatalogName(), Schema.class);
|
|
String sql = "SELECT CREATOR AS TABLE_SCHEM, " +
|
"NAME AS TABLE_NAME, " +
|
"'TABLE' AS TABLE_TYPE, " +
|
"REMARKS " +
|
"FROM SYSIBM.SYSTABLES " +
|
"WHERE TYPE = 'T'";
|
List<String> parameters = new ArrayList<>(2);
|
if (ownerName != null) {
|
sql += " AND CREATOR = ?";
|
parameters.add(ownerName);
|
}
|
if (tableName != null) {
|
sql += " AND NAME = ?";
|
parameters.add(tableName);
|
}
|
|
return executeAndExtract(database, sql, parameters.toArray());
|
}
|
|
private List<CachedRow> queryPostgres(CatalogAndSchema catalogAndSchema, String tableName) throws SQLException {
|
String catalog = ((AbstractJdbcDatabase) database).getJdbcCatalogName(catalogAndSchema);
|
String schema = ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema);
|
return extract(databaseMetaData.getTables(catalog, escapeForLike(schema, database), ((tableName == null) ?
|
SQL_FILTER_MATCH_ALL : escapeForLike(tableName, database)), new String[]{"TABLE", "PARTITIONED TABLE"}));
|
|
}
|
});
|
}
|
|
public List<CachedRow> getViews(final String catalogName, final String schemaName, String viewName) throws DatabaseException {
|
final String view;
|
if (database instanceof DB2Database) {
|
view = database.correctObjectName(viewName, View.class);
|
} else {
|
view = viewName;
|
}
|
return getResultSetCache("getViews").get(new ResultSetCache.SingleResultSetExtractor(database) {
|
|
@Override
|
protected boolean shouldBulkSelect(String schemaKey, ResultSetCache resultSetCache) {
|
return view == null || getAllCatalogsStringScratchData() != null || super.shouldBulkSelect(schemaKey, resultSetCache);
|
}
|
|
@Override
|
public ResultSetCache.RowData rowKeyParameters(CachedRow row) {
|
return new ResultSetCache.RowData(row.getString("TABLE_CAT"), row.getString("TABLE_SCHEM"), database, row.getString("TABLE_NAME"));
|
}
|
|
|
@Override
|
public ResultSetCache.RowData wantedKeyParameters() {
|
return new ResultSetCache.RowData(catalogName, schemaName, database, view);
|
}
|
|
@Override
|
public boolean bulkContainsSchema(String schemaKey) {
|
return database instanceof OracleDatabase;
|
}
|
|
@Override
|
public String getSchemaKey(CachedRow row) {
|
return row.getString("TABLE_SCHEM");
|
}
|
|
|
@Override
|
public List<CachedRow> fastFetchQuery() throws SQLException, DatabaseException {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
|
if (database instanceof OracleDatabase) {
|
return queryOracle(catalogAndSchema, view);
|
} else if (database instanceof MSSQLDatabase) {
|
return queryMssql(catalogAndSchema, view);
|
}
|
|
String catalog = ((AbstractJdbcDatabase) database).getJdbcCatalogName(catalogAndSchema);
|
String schema = ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema);
|
return extract(databaseMetaData.getTables(catalog, escapeForLike(schema, database), ((view == null) ? SQL_FILTER_MATCH_ALL
|
: escapeForLike(view, database)), new String[]{"VIEW"}));
|
}
|
|
@Override
|
public List<CachedRow> bulkFetchQuery() throws SQLException, DatabaseException {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
|
if (database instanceof OracleDatabase) {
|
return queryOracle(catalogAndSchema, null);
|
} else if (database instanceof MSSQLDatabase) {
|
return queryMssql(catalogAndSchema, null);
|
}
|
|
String catalog = ((AbstractJdbcDatabase) database).getJdbcCatalogName(catalogAndSchema);
|
String schema = ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema);
|
return extract(databaseMetaData.getTables(catalog, escapeForLike(schema, database), SQL_FILTER_MATCH_ALL, new String[]{"VIEW"}));
|
}
|
|
private List<CachedRow> queryMssql(CatalogAndSchema catalogAndSchema, String viewName) throws DatabaseException, SQLException {
|
String ownerName = database.correctObjectName(catalogAndSchema.getSchemaName(), Schema.class);
|
String databaseName = StringUtil.trimToNull(database.correctObjectName(catalogAndSchema.getCatalogName(), Catalog.class));
|
String dbIdParam = "";
|
String databasePrefix = "";
|
boolean haveDatabaseName = databaseName != null;
|
|
if (haveDatabaseName) {
|
dbIdParam = ", db_id('" + databaseName + "')";
|
databasePrefix = "[" + databaseName + "].";
|
}
|
String tableCatParam = haveDatabaseName ? "db_id('" + databaseName + "')" : "";
|
String permsParam = haveDatabaseName ? "quotename('" + databaseName + "') + '.' + " : "";
|
|
String sql = "select " +
|
"db_name(" + tableCatParam + ") AS TABLE_CAT, " +
|
"convert(sysname,object_schema_name(o.object_id" + dbIdParam + ")) AS TABLE_SCHEM, " +
|
"convert(sysname,o.name) AS TABLE_NAME, " +
|
"'VIEW' AS TABLE_TYPE, " +
|
"CAST(ep.value as varchar(max)) as REMARKS " +
|
"from " + databasePrefix + "sys.all_objects o " +
|
"left join sys.extended_properties ep on ep.name='MS_Description' and major_id=o.object_id and minor_id=0 " +
|
"where " +
|
"o.type in ('V') " +
|
"and has_perms_by_name(" + permsParam + "quotename(object_schema_name(o.object_id" + dbIdParam + ")) + '.' + quotename(o.name), 'object', 'select') = 1 " +
|
"and charindex(substring(o.type,1,1),'V') <> 0 " +
|
"and object_schema_name(o.object_id" + dbIdParam + ")='" + database.escapeStringForDatabase(ownerName) + "'";
|
if (viewName != null) {
|
sql += " AND o.name='" + database.escapeStringForDatabase(viewName) + "' ";
|
}
|
sql += "order by 4, 1, 2, 3";
|
|
return executeAndExtract(sql, database);
|
}
|
|
|
private List<CachedRow> queryOracle(CatalogAndSchema catalogAndSchema, String viewName) throws DatabaseException, SQLException {
|
String ownerName = database.correctObjectName(catalogAndSchema.getCatalogName(), Schema.class);
|
|
String sql = "SELECT null as TABLE_CAT, a.OWNER as TABLE_SCHEM, a.VIEW_NAME as TABLE_NAME, 'TABLE' as TABLE_TYPE, c.COMMENTS as REMARKS, TEXT as OBJECT_BODY";
|
if (database.getDatabaseMajorVersion() > 10) {
|
sql += ", EDITIONING_VIEW";
|
}
|
sql += " from ALL_VIEWS a " +
|
"join ALL_TAB_COMMENTS c on a.VIEW_NAME=c.table_name and a.owner=c.owner ";
|
if (viewName != null || getAllCatalogsStringScratchData() == null) {
|
sql += "WHERE a.OWNER='" + ownerName + "'";
|
} else {
|
sql += "WHERE a.OWNER IN ('" + ownerName + "', " + getAllCatalogsStringScratchData() + ")";
|
}
|
if (viewName != null) {
|
sql += " AND a.VIEW_NAME='" + database.correctObjectName(viewName, View.class) + "'";
|
}
|
sql += " AND a.VIEW_NAME not in (select mv.name from all_registered_mviews mv where mv.owner=a.owner)";
|
|
return executeAndExtract(sql, database);
|
}
|
});
|
}
|
|
public List<CachedRow> getPrimaryKeys(final String catalogName, final String schemaName, final String table) throws DatabaseException {
|
return getResultSetCache("getPrimaryKeys").get(new ResultSetCache.SingleResultSetExtractor(database) {
|
|
@Override
|
public ResultSetCache.RowData rowKeyParameters(CachedRow row) {
|
return new ResultSetCache.RowData(row.getString("TABLE_CAT"), row.getString("TABLE_SCHEM"), database, row.getString("TABLE_NAME"));
|
}
|
|
@Override
|
public ResultSetCache.RowData wantedKeyParameters() {
|
return new ResultSetCache.RowData(catalogName, schemaName, database, table);
|
}
|
|
@Override
|
public boolean bulkContainsSchema(String schemaKey) {
|
return database instanceof OracleDatabase;
|
}
|
|
|
@Override
|
public String getSchemaKey(CachedRow row) {
|
return row.getString("TABLE_SCHEM");
|
}
|
|
@Override
|
public List<CachedRow> fastFetchQuery() throws SQLException {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
try {
|
List<CachedRow> foundPks = new ArrayList<>();
|
if (table == null) {
|
List<CachedRow> tables = CachingDatabaseMetaData.this.getTables(catalogName, schemaName, null);
|
for (CachedRow table : tables) {
|
List<CachedRow> pkInfo = getPkInfo(catalogAndSchema, table.getString("TABLE_NAME"));
|
if (pkInfo != null) {
|
foundPks.addAll(pkInfo);
|
}
|
}
|
return foundPks;
|
} else {
|
List<CachedRow> pkInfo = getPkInfo(catalogAndSchema, table);
|
if (pkInfo != null) {
|
foundPks.addAll(pkInfo);
|
}
|
}
|
return foundPks;
|
} catch (DatabaseException e) {
|
throw new SQLException(e);
|
}
|
}
|
|
private List<CachedRow> getPkInfo(CatalogAndSchema catalogAndSchema, String tableName) throws DatabaseException, SQLException {
|
List<CachedRow> pkInfo;
|
if (database instanceof MSSQLDatabase) {
|
String sql = mssqlSql(catalogAndSchema, tableName);
|
pkInfo = executeAndExtract(sql, database);
|
} else {
|
if (database instanceof Db2zDatabase) {
|
String sql = "SELECT 'NULL' AS TABLE_CAT," +
|
" SYSTAB.TBCREATOR AS TABLE_SCHEM, " +
|
"SYSTAB.TBNAME AS TABLE_NAME, " +
|
"COLUSE.COLNAME AS COLUMN_NAME, " +
|
"COLUSE.COLSEQ AS KEY_SEQ, " +
|
"SYSTAB.CONSTNAME AS PK_NAME " +
|
"FROM SYSIBM.SYSTABCONST SYSTAB " +
|
"JOIN SYSIBM.SYSKEYCOLUSE COLUSE " +
|
"ON SYSTAB.TBCREATOR = COLUSE.TBCREATOR " +
|
"WHERE SYSTAB.TYPE = 'P' " +
|
"AND SYSTAB.TBNAME = ? " +
|
"AND SYSTAB.TBCREATOR = ? " +
|
"AND SYSTAB.TBNAME=COLUSE.TBNAME " +
|
"AND SYSTAB.CONSTNAME=COLUSE.CONSTNAME " +
|
"ORDER BY COLUSE.COLNAME";
|
try {
|
return executeAndExtract(database, sql, table, ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema));
|
} catch (DatabaseException e) {
|
throw new SQLException(e);
|
}
|
} else if (database instanceof OracleDatabase) {
|
warnAboutDbaRecycleBin();
|
|
String sql = "SELECT NULL AS table_cat, c.owner AS table_schem, c.table_name, c.column_name as COLUMN_NAME, c.position AS key_seq, c.constraint_name AS pk_name, k.VALIDATED as VALIDATED " +
|
"FROM all_cons_columns c, all_constraints k " +
|
"LEFT JOIN " + (((OracleDatabase) database).canAccessDbaRecycleBin() ? "dba_recyclebin" : "user_recyclebin") + " d ON d.object_name=k.table_name " +
|
"WHERE k.constraint_type = 'P' " +
|
"AND d.object_name IS NULL " +
|
"AND k.table_name = '" + table + "' " +
|
"AND k.owner = '" + ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema) + "' " +
|
"AND k.constraint_name = c.constraint_name " +
|
"AND k.table_name = c.table_name " +
|
"AND k.owner = c.owner " +
|
"ORDER BY column_name";
|
try {
|
return executeAndExtract(sql, database);
|
} catch (DatabaseException e) {
|
throw new SQLException(e);
|
}
|
} else if (database instanceof CockroachDatabase) {
|
// This is the same as the query generated by PGJDBC's getPrimaryKeys method, except it
|
// also adds an `asc_or_desc` column to the result.
|
String sql = "SELECT " +
|
" result.table_cat, " +
|
" result.table_schem, " +
|
" result.table_name, " +
|
" result.column_name, " +
|
" result.key_seq, " +
|
" result.pk_name, " +
|
" CASE result.indoption[result.key_seq - 1] & 1 " +
|
" WHEN 1 THEN 'D' " +
|
" ELSE 'A' " +
|
" END AS asc_or_desc " +
|
"FROM " +
|
" (" +
|
" SELECT " +
|
" NULL AS table_cat, " +
|
" n.nspname AS table_schem, " +
|
" ct.relname AS table_name, " +
|
" a.attname AS column_name, " +
|
" (information_schema._pg_expandarray(i.indkey)).n " +
|
" AS key_seq, " +
|
" ci.relname AS pk_name, " +
|
" information_schema._pg_expandarray(i.indkey) AS keys, " +
|
" i.indoption, " +
|
" a.attnum AS a_attnum " +
|
" FROM " +
|
" pg_catalog.pg_class AS ct " +
|
" JOIN pg_catalog.pg_attribute AS a ON (ct.oid = a.attrelid) " +
|
" JOIN pg_catalog.pg_namespace AS n ON " +
|
" (ct.relnamespace = n.oid) " +
|
" JOIN pg_catalog.pg_index AS i ON (a.attrelid = i.indrelid) " +
|
" JOIN pg_catalog.pg_class AS ci ON (ci.oid = i.indexrelid) " +
|
" WHERE " +
|
" true " +
|
" AND n.nspname = '" + ((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema) + "' " +
|
" AND ct.relname = '" + table + "' " +
|
" AND i.indisprimary" +
|
" ) " +
|
" AS result " +
|
"WHERE " +
|
" result.a_attnum = (result.keys).x " +
|
"ORDER BY " +
|
" result.table_name, result.pk_name, result.key_seq";
|
|
try {
|
return executeAndExtract(sql, database);
|
} catch (DatabaseException e) {
|
throw new SQLException(e);
|
}
|
} else {
|
return extract(
|
databaseMetaData.getPrimaryKeys(
|
((AbstractJdbcDatabase) database).getJdbcCatalogName(catalogAndSchema),
|
((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema),
|
table
|
)
|
);
|
}
|
}
|
return pkInfo;
|
}
|
|
private String mssqlSql(CatalogAndSchema catalogAndSchema, String tableName) throws DatabaseException {
|
String sql;
|
sql =
|
"SELECT " +
|
"DB_NAME() AS [TABLE_CAT], " +
|
"[s].[name] AS [TABLE_SCHEM], " +
|
"[t].[name] AS [TABLE_NAME], " +
|
"[c].[name] AS [COLUMN_NAME], " +
|
"CASE [ic].[is_descending_key] WHEN 0 THEN N'A' WHEN 1 THEN N'D' END AS [ASC_OR_DESC], " +
|
"[ic].[key_ordinal] AS [KEY_SEQ], " +
|
"[kc].[name] AS [PK_NAME] " +
|
"FROM [sys].[schemas] AS [s] " +
|
"INNER JOIN [sys].[tables] AS [t] " +
|
"ON [t].[schema_id] = [s].[schema_id] " +
|
"INNER JOIN [sys].[key_constraints] AS [kc] " +
|
"ON [kc].[parent_object_id] = [t].[object_id] " +
|
"INNER JOIN [sys].[indexes] AS [i] " +
|
"ON [i].[object_id] = [kc].[parent_object_id] " +
|
"AND [i].[index_id] = [kc].[unique_index_id] " +
|
"INNER JOIN [sys].[index_columns] AS [ic] " +
|
"ON [ic].[object_id] = [i].[object_id] " +
|
"AND [ic].[index_id] = [i].[index_id] " +
|
"INNER JOIN [sys].[columns] AS [c] " +
|
"ON [c].[object_id] = [ic].[object_id] " +
|
"AND [c].[column_id] = [ic].[column_id] " +
|
"WHERE [s].[name] = N'" + database.escapeStringForDatabase(catalogAndSchema.getSchemaName()) + "' " + // The schema name was corrected in the customized CatalogAndSchema
|
(tableName == null ? "" : "AND [t].[name] = N'" + database.escapeStringForDatabase(database.correctObjectName(tableName, Table.class)) + "' ") +
|
"AND [kc].[type] = 'PK' " +
|
"AND [ic].[key_ordinal] > 0 " +
|
"ORDER BY " +
|
"[ic].[key_ordinal]";
|
return sql;
|
}
|
|
@Override
|
public List<CachedRow> bulkFetchQuery() throws SQLException {
|
if (database instanceof OracleDatabase) {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
|
warnAboutDbaRecycleBin();
|
try {
|
String sql = "SELECT NULL AS table_cat, c.owner AS table_schem, c.table_name, c.column_name, c.position AS key_seq,c.constraint_name AS pk_name, k.VALIDATED as VALIDATED FROM " +
|
"all_cons_columns c, " +
|
"all_constraints k " +
|
"LEFT JOIN " + (((OracleDatabase) database).canAccessDbaRecycleBin() ? "dba_recyclebin" : "user_recyclebin") + " d ON d.object_name=k.table_name " +
|
"WHERE k.constraint_type = 'P' " +
|
"AND d.object_name IS NULL ";
|
if (getAllCatalogsStringScratchData() == null) {
|
sql += "AND k.owner='" + catalogAndSchema.getCatalogName() + "' ";
|
} else {
|
sql += "AND k.owner IN ('" + catalogAndSchema.getCatalogName() + "', " + getAllCatalogsStringScratchData() + ")";
|
}
|
sql += "AND k.constraint_name = c.constraint_name " +
|
"AND k.table_name = c.table_name " +
|
"AND k.owner = c.owner " +
|
"ORDER BY column_name";
|
return executeAndExtract(sql, database);
|
} catch (DatabaseException e) {
|
throw new SQLException(e);
|
}
|
} else if (database instanceof MSSQLDatabase) {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
try {
|
return executeAndExtract(mssqlSql(catalogAndSchema, null), database);
|
} catch (DatabaseException e) {
|
throw new SQLException(e);
|
}
|
}
|
return null;
|
}
|
|
@Override
|
protected boolean shouldBulkSelect(String schemaKey, ResultSetCache resultSetCache) {
|
if ((database instanceof OracleDatabase) || (database instanceof MSSQLDatabase)) {
|
return table == null || getAllCatalogsStringScratchData() != null || super.shouldBulkSelect(schemaKey, resultSetCache);
|
} else {
|
return false;
|
}
|
}
|
});
|
}
|
|
public List<CachedRow> getUniqueConstraints(final String catalogName, final String schemaName, final String tableName) throws DatabaseException {
|
return getResultSetCache("getUniqueConstraints").get(new ResultSetCache.SingleResultSetExtractor(database) {
|
|
@Override
|
protected boolean shouldBulkSelect(String schemaKey, ResultSetCache resultSetCache) {
|
return tableName == null || getAllCatalogsStringScratchData() != null || super.shouldBulkSelect(schemaKey, resultSetCache);
|
}
|
|
@Override
|
public boolean bulkContainsSchema(String schemaKey) {
|
return database instanceof OracleDatabase;
|
}
|
|
@Override
|
public String getSchemaKey(CachedRow row) {
|
return row.getString("CONSTRAINT_SCHEM");
|
}
|
|
@Override
|
public ResultSetCache.RowData rowKeyParameters(CachedRow row) {
|
return new ResultSetCache.RowData(catalogName, schemaName, database, row.getString("TABLE_NAME"));
|
}
|
|
@Override
|
public ResultSetCache.RowData wantedKeyParameters() {
|
return new ResultSetCache.RowData(catalogName, schemaName, database, tableName);
|
}
|
|
@Override
|
public List<CachedRow> fastFetchQuery() throws SQLException, DatabaseException {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
|
return queryDb(catalogAndSchema, tableName);
|
}
|
|
@Override
|
public List<CachedRow> bulkFetchQuery() throws SQLException, DatabaseException {
|
CatalogAndSchema catalogAndSchema = new CatalogAndSchema(catalogName, schemaName).customize(database);
|
|
return queryDb(catalogAndSchema, null);
|
}
|
|
private List<CachedRow> queryDb(CatalogAndSchema catalogAndSchema, String tableName) throws SQLException, DatabaseException {
|
|
String jdbcCatalogName = catalogAndSchema.getCatalogName();
|
String jdbcSchemaName = catalogAndSchema.getSchemaName();
|
|
Database database = getDatabase();
|
List<String> parameters = new ArrayList<>(3);
|
String sql = null;
|
if (database instanceof Ingres9Database) {
|
sql = "select CONSTRAINT_NAME, TABLE_NAME from iiconstraints where schema_name ='"
|
+ schemaName + "' and constraint_type='U'";
|
if (tableName != null) {
|
sql += " and table_name='" + tableName + "'";
|
}
|
} else if ((database instanceof MySQLDatabase) || (database instanceof HsqlDatabase) || (database
|
instanceof MariaDBDatabase)) {
|
sql = "select CONSTRAINT_NAME, TABLE_NAME "
|
+ "from " + database.getSystemSchema() + ".table_constraints "
|
+ "where constraint_schema='" + jdbcCatalogName + "' "
|
+ "and constraint_type='UNIQUE'";
|
if (tableName != null) {
|
sql += " and table_name='" + tableName + "'";
|
}
|
} else if (database instanceof PostgresDatabase) {
|
sql = "select CONSTRAINT_NAME, TABLE_NAME "
|
+ "from " + database.getSystemSchema() + ".table_constraints "
|
+ "where constraint_catalog='" + jdbcCatalogName + "' "
|
+ "and constraint_schema='" + jdbcSchemaName + "' "
|
+ "and constraint_type='UNIQUE'";
|
if (tableName != null) {
|
sql += " and table_name='" + tableName + "'";
|
}
|
} else if (database.getClass().getName().contains("MaxDB")) { //have to check classname as this is currently an extension
|
sql = "select distinct tablename AS TABLE_NAME, constraintname AS CONSTRAINT_NAME from CONSTRAINTCOLUMNS WHERE CONSTRAINTTYPE = 'UNIQUE_CONST'";
|
if (tableName != null) {
|
sql += " and tablename='" + tableName + "'";
|
}
|
} else if (database instanceof MSSQLDatabase) {
|
sql =
|
"SELECT " +
|
"[TC].[CONSTRAINT_NAME], " +
|
"[TC].[TABLE_NAME], " +
|
"[TC].[CONSTRAINT_CATALOG] AS INDEX_CATALOG, " +
|
"[TC].[CONSTRAINT_SCHEMA] AS INDEX_SCHEMA, " +
|
"[IDX].[TYPE_DESC], " +
|
"[IDX].[name] AS INDEX_NAME " +
|
"FROM [INFORMATION_SCHEMA].[TABLE_CONSTRAINTS] AS [TC] " +
|
"JOIN sys.indexes AS IDX ON IDX.name=[TC].[CONSTRAINT_NAME] AND object_schema_name(object_id)=[TC].[CONSTRAINT_SCHEMA] " +
|
"WHERE [TC].[CONSTRAINT_TYPE] = 'UNIQUE' " +
|
"AND [TC].[CONSTRAINT_CATALOG] = N'" + database.escapeStringForDatabase(jdbcCatalogName) + "' " +
|
"AND [TC].[CONSTRAINT_SCHEMA] = N'" + database.escapeStringForDatabase(jdbcSchemaName) + "'";
|
if (tableName != null) {
|
sql += " AND [TC].[TABLE_NAME] = N'" + database.escapeStringForDatabase(database.correctObjectName(tableName, Table.class)) + "'";
|
}
|
} else if (database instanceof OracleDatabase) {
|
warnAboutDbaRecycleBin();
|
|
sql = "select uc.owner AS CONSTRAINT_SCHEM, uc.constraint_name, uc.table_name,uc.status,uc.deferrable,uc.deferred,ui.tablespace_name, ui.index_name, ui.owner as INDEX_CATALOG, uc.VALIDATED as VALIDATED, ac.COLUMN_NAME as COLUMN_NAME " +
|
"from all_constraints uc " +
|
"join all_indexes ui on uc.index_name = ui.index_name and uc.owner=ui.table_owner and uc.table_name=ui.table_name " +
|
"LEFT OUTER JOIN " + (((OracleDatabase) database).canAccessDbaRecycleBin() ? "dba_recyclebin" : "user_recyclebin") + " d ON d.object_name=ui.table_name " +
|
"LEFT JOIN all_cons_columns ac ON ac.OWNER = uc.OWNER AND ac.TABLE_NAME = uc.TABLE_NAME AND ac.CONSTRAINT_NAME = uc.CONSTRAINT_NAME " +
|
"where uc.constraint_type='U' ";
|
if (tableName != null || getAllCatalogsStringScratchData() == null) {
|
sql += "and uc.owner = '" + jdbcSchemaName + "'";
|
} else {
|
sql += "and uc.owner IN ('" + jdbcSchemaName + "', " + getAllCatalogsStringScratchData() + ")";
|
}
|
sql += "AND d.object_name IS NULL ";
|
|
if (tableName != null) {
|
sql += " and uc.table_name = '" + tableName + "'";
|
}
|
} else if (database instanceof DB2Database) {
|
// if we are on DB2 AS400 iSeries
|
if (database.getDatabaseProductName().startsWith("DB2 UDB for AS/400")) {
|
sql = "select constraint_name as constraint_name, table_name as table_name from QSYS2.TABLE_CONSTRAINTS where table_schema='" + jdbcSchemaName + "' and constraint_type='UNIQUE'";
|
if (tableName != null) {
|
sql += " and table_name = '" + tableName + "'";
|
}
|
// DB2 z/OS
|
}
|
// here we are on DB2 UDB
|
else {
|
sql = "select distinct k.constname as constraint_name, t.tabname as TABLE_NAME "
|
+ "from syscat.keycoluse k "
|
+ "inner join syscat.tabconst t "
|
+ "on k.constname = t.constname "
|
+ "where t.tabschema = ? "
|
+ "and t.type = 'U'";
|
parameters.add(jdbcSchemaName);
|
if (tableName != null) {
|
sql += " and t.tabname = ?";
|
parameters.add(tableName);
|
}
|
}
|
} else if (database instanceof Db2zDatabase) {
|
sql = "select k.constname as constraint_name, t.tbname as TABLE_NAME"
|
+ " from SYSIBM.SYSKEYCOLUSE k"
|
+ " inner join SYSIBM.SYSTABCONST t"
|
+ " on k.constname = t.constname"
|
+ " and k.TBCREATOR = t.TBCREATOR"
|
+ " and k.TBNAME = t.TBNAME"
|
+ " where t.TBCREATOR = ?"
|
+ " and t.TYPE = 'U'";
|
parameters.add(jdbcSchemaName);
|
if (tableName != null) {
|
sql += " and t.TBNAME = ?";
|
parameters.add(tableName);
|
}
|
} else if (database instanceof FirebirdDatabase) {
|
sql = "SELECT TRIM(RDB$INDICES.RDB$INDEX_NAME) AS CONSTRAINT_NAME, " +
|
"TRIM(RDB$INDICES.RDB$RELATION_NAME) AS TABLE_NAME " +
|
"FROM RDB$INDICES "
|
+ "LEFT JOIN RDB$RELATION_CONSTRAINTS "
|
+ "ON RDB$RELATION_CONSTRAINTS.RDB$INDEX_NAME = RDB$INDICES.RDB$INDEX_NAME "
|
+ "WHERE RDB$INDICES.RDB$UNIQUE_FLAG IS NOT NULL "
|
+ "AND ("
|
+ "RDB$RELATION_CONSTRAINTS.RDB$CONSTRAINT_TYPE IS NULL "
|
+ "OR TRIM(RDB$RELATION_CONSTRAINTS.RDB$CONSTRAINT_TYPE)='UNIQUE') "
|
+ "AND NOT(RDB$INDICES.RDB$INDEX_NAME LIKE 'RDB$%')";
|
if (tableName != null) {
|
sql += " AND TRIM(RDB$INDICES.RDB$RELATION_NAME)='" + tableName + "'";
|
}
|
} else if (database instanceof DerbyDatabase) {
|
sql = "select c.constraintname as CONSTRAINT_NAME, tablename AS TABLE_NAME "
|
+ "from sys.systables t, sys.sysconstraints c, sys.sysschemas s "
|
+ "where s.schemaname='" + jdbcCatalogName + "' "
|
+ "and t.tableid = c.tableid "
|
+ "and t.schemaid=s.schemaid "
|
+ "and c.type = 'U'";
|
if (tableName != null) {
|
sql += " AND t.tablename = '" + tableName + "'";
|
}
|
} else if (database instanceof InformixDatabase) {
|
sql = "select unique sysindexes.idxname as CONSTRAINT_NAME, sysindexes.idxtype, systables.tabname as TABLE_NAME "
|
+ "from sysindexes, systables "
|
+ "left outer join sysconstraints on sysconstraints.tabid = systables.tabid and sysconstraints.constrtype = 'P' "
|
+ "where sysindexes.tabid = systables.tabid and sysindexes.idxtype = 'U' "
|
+ "and sysconstraints.idxname != sysindexes.idxname "
|
+ "and sysconstraints.tabid = sysindexes.tabid";
|
if (tableName != null) {
|
sql += " and systables.tabname = '" + database.correctObjectName(tableName, Table.class) + "'";
|
}
|
} else if (database instanceof SybaseDatabase) {
|
sql = "select idx.name as CONSTRAINT_NAME, tbl.name as TABLE_NAME "
|
+ "from sysindexes idx "
|
+ "inner join sysobjects tbl on tbl.id = idx.id "
|
+ "where idx.indid between 1 and 254 "
|
+ "and (idx.status & 2) = 2 "
|
+ "and tbl.type = 'U'";
|
if (tableName != null) {
|
sql += " and tbl.name = '" + database.correctObjectName(tableName, Table.class) + "'";
|
}
|
} else if (database instanceof SybaseASADatabase) {
|
sql = "select sysconstraint.constraint_name, sysconstraint.constraint_type, systable.table_name " +
|
"from sysconstraint, systable " +
|
"where sysconstraint.table_object_id = systable.object_id " +
|
"and sysconstraint.constraint_type = 'U'";
|
if (tableName != null) {
|
sql += " and systable.table_name = '" + tableName + "'";
|
}
|
} else {
|
if (database instanceof H2Database) {
|
try {
|
if (database.getDatabaseMajorVersion() >= 2) {
|
sql = "select CONSTRAINT_NAME, CONSTRAINT_TYPE, TABLE_NAME "
|
+ "from " + database.getSystemSchema() + ".table_constraints "
|
+ "where constraint_schema='" + jdbcSchemaName + "' "
|
+ "and constraint_catalog='" + jdbcCatalogName + "' "
|
+ "and constraint_type='UNIQUE'";
|
if (tableName != null) {
|
sql += " and table_name='" + tableName + "'";
|
}
|
}
|
} catch (DatabaseException e) {
|
Scope.getCurrentScope().getLog(getClass()).fine("Cannot determine h2 version, using default unique constraint query");
|
}
|
}
|
if (sql == null) {
|
|
sql = "select CONSTRAINT_NAME, CONSTRAINT_TYPE, TABLE_NAME "
|
+ "from " + database.getSystemSchema() + ".constraints "
|
+ "where constraint_schema='" + jdbcSchemaName + "' "
|
+ "and constraint_catalog='" + jdbcCatalogName + "' "
|
+ "and constraint_type='UNIQUE'";
|
if (tableName != null) {
|
sql += " and table_name='" + tableName + "'";
|
}
|
}
|
}
|
|
return executeAndExtract(database, database instanceof InformixDatabase, sql, parameters.toArray());
|
}
|
});
|
}
|
}
|
|
private String getAllCatalogsStringScratchData() {
|
return (String) getScratchData(ALL_CATALOGS_STRING_SCRATCH_KEY);
|
}
|
|
private String escapeForLike(String string, Database database) {
|
if (string == null) {
|
return null;
|
}
|
|
if (database instanceof SQLiteDatabase || FlowUtil.isDM(database.getConnection().getURL())) {
|
//sqlite jdbc's queries does not support escaped patterns.
|
//JNPF 补丁：达梦 DM8 同样不支持转义模式
|
return string;
|
}
|
|
return string
|
.replace("%", "\\%")
|
.replace("_", "\\_");
|
}
|
}
|
