List of usage examples for java.sql DatabaseMetaData getTypeInfo
ResultSet getTypeInfo() throws SQLException;
From source file:jef.database.DbMetaData.java
/** * ???/*from ww w . jav a 2 s . co m*/ * * @return List<DataType> ? */ public List<DataType> getSupportDataType() throws SQLException { Connection conn = getConnection(false); ResultSet rs = null; try { DatabaseMetaData databaseMetaData = conn.getMetaData(); rs = databaseMetaData.getTypeInfo(); return ResultPopulatorImpl.instance.toPlainJavaObject(new ResultSetImpl(rs, getProfile()), DATATYPE_TRANSFORMER); } finally { DbUtils.close(rs); releaseConnection(conn); } }
From source file:DatabaseInfo.java
public void doGet(HttpServletRequest inRequest, HttpServletResponse outResponse) throws ServletException, IOException { PrintWriter out = null;//from w ww .j a va2 s.co m Connection connection = null; Statement statement; ResultSet rs; outResponse.setContentType("text/html"); out = outResponse.getWriter(); try { Context ctx = new InitialContext(); DataSource ds = (DataSource) ctx.lookup("java:comp/env/jdbc/AccountsDB"); connection = ds.getConnection(); DatabaseMetaData md = connection.getMetaData(); statement = connection.createStatement(); out.println("<HTML><HEAD><TITLE>Database Server Information</TITLE></HEAD>"); out.println("<BODY>"); out.println("<H1>General Source Information</H1>"); out.println("getURL() - " + md.getURL() + "<BR>"); out.println("getUserName() - " + md.getUserName() + "<BR>"); out.println("getDatabaseProductVersion - " + md.getDatabaseProductVersion() + "<BR>"); out.println("getDriverMajorVersion - " + md.getDriverMajorVersion() + "<BR>"); out.println("getDriverMinorVersion - " + md.getDriverMinorVersion() + "<BR>"); out.println("nullAreSortedHigh - " + md.nullsAreSortedHigh() + "<BR>"); out.println("<H1>Feature Support</H1>"); out.println("supportsAlterTableWithDropColumn - " + md.supportsAlterTableWithDropColumn() + "<BR>"); out.println("supportsBatchUpdates - " + md.supportsBatchUpdates() + "<BR>"); out.println("supportsTableCorrelationNames - " + md.supportsTableCorrelationNames() + "<BR>"); out.println("supportsPositionedDelete - " + md.supportsPositionedDelete() + "<BR>"); out.println("supportsFullOuterJoins - " + md.supportsFullOuterJoins() + "<BR>"); out.println("supportsStoredProcedures - " + md.supportsStoredProcedures() + "<BR>"); out.println("supportsMixedCaseQuotedIdentifiers - " + md.supportsMixedCaseQuotedIdentifiers() + "<BR>"); out.println("supportsANSI92EntryLevelSQL - " + md.supportsANSI92EntryLevelSQL() + "<BR>"); out.println("supportsCoreSQLGrammar - " + md.supportsCoreSQLGrammar() + "<BR>"); out.println("<H1>Data Source Limits</H1>"); out.println("getMaxRowSize - " + md.getMaxRowSize() + "<BR>"); out.println("getMaxStatementLength - " + md.getMaxStatementLength() + "<BR>"); out.println("getMaxTablesInSelect - " + md.getMaxTablesInSelect() + "<BR>"); out.println("getMaxConnections - " + md.getMaxConnections() + "<BR>"); out.println("getMaxCharLiteralLength - " + md.getMaxCharLiteralLength() + "<BR>"); out.println("<H1>SQL Object Available</H1>"); out.println("getTableTypes()<BR><UL>"); rs = md.getTableTypes(); while (rs.next()) { out.println("<LI>" + rs.getString(1)); } out.println("</UL>"); out.println("getTables()<BR><UL>"); rs = md.getTables("accounts", "", "%", new String[0]); while (rs.next()) { out.println("<LI>" + rs.getString("TABLE_NAME")); } out.println("</UL>"); out.println("<H1>Transaction Support</H1>"); out.println("getDefaultTransactionIsolation() - " + md.getDefaultTransactionIsolation() + "<BR>"); out.println( "dataDefinitionIgnoredInTransactions() - " + md.dataDefinitionIgnoredInTransactions() + "<BR>"); out.println("<H1>General Source Information</H1>"); out.println("getMaxTablesInSelect - " + md.getMaxTablesInSelect() + "<BR>"); out.println("getMaxColumnsInTable - " + md.getMaxColumnsInTable() + "<BR>"); out.println("getTimeDateFunctions - " + md.getTimeDateFunctions() + "<BR>"); out.println("supportsCoreSQLGrammar - " + md.supportsCoreSQLGrammar() + "<BR>"); out.println("getTypeInfo()<BR><UL>"); rs = md.getTypeInfo(); while (rs.next()) { out.println("<LI>" + rs.getString(1)); } out.println("</UL>"); out.println("</BODY></HTML>"); } catch (Exception e) { e.printStackTrace(); } }
From source file:org.apache.bigtop.itest.hive.TestJdbc.java
/** * Test simple DatabaseMetaData calls. getColumns is tested elsewhere, as we need to call * that on a valid table. Same with getFunctions. * * @throws SQLException//from w ww . j a va 2s . c om */ @Test public void databaseMetaDataCalls() throws SQLException { DatabaseMetaData md = conn.getMetaData(); boolean boolrc = md.allTablesAreSelectable(); LOG.debug("All tables are selectable? " + boolrc); String strrc = md.getCatalogSeparator(); LOG.debug("Catalog separator " + strrc); strrc = md.getCatalogTerm(); LOG.debug("Catalog term " + strrc); ResultSet rs = md.getCatalogs(); while (rs.next()) { strrc = rs.getString(1); LOG.debug("Found catalog " + strrc); } Connection c = md.getConnection(); int intrc = md.getDatabaseMajorVersion(); LOG.debug("DB major version is " + intrc); intrc = md.getDatabaseMinorVersion(); LOG.debug("DB minor version is " + intrc); strrc = md.getDatabaseProductName(); LOG.debug("DB product name is " + strrc); strrc = md.getDatabaseProductVersion(); LOG.debug("DB product version is " + strrc); intrc = md.getDefaultTransactionIsolation(); LOG.debug("Default transaction isolation is " + intrc); intrc = md.getDriverMajorVersion(); LOG.debug("Driver major version is " + intrc); intrc = md.getDriverMinorVersion(); LOG.debug("Driver minor version is " + intrc); strrc = md.getDriverName(); LOG.debug("Driver name is " + strrc); strrc = md.getDriverVersion(); LOG.debug("Driver version is " + strrc); strrc = md.getExtraNameCharacters(); LOG.debug("Extra name characters is " + strrc); strrc = md.getIdentifierQuoteString(); LOG.debug("Identifier quote string is " + strrc); // In Hive 1.2 this always returns an empty RS rs = md.getImportedKeys("a", "b", "d"); // In Hive 1.2 this always returns an empty RS rs = md.getIndexInfo("a", "b", "d", true, true); intrc = md.getJDBCMajorVersion(); LOG.debug("JDBC major version is " + intrc); intrc = md.getJDBCMinorVersion(); LOG.debug("JDBC minor version is " + intrc); intrc = md.getMaxColumnNameLength(); LOG.debug("Maximum column name length is " + intrc); strrc = md.getNumericFunctions(); LOG.debug("Numeric functions are " + strrc); // In Hive 1.2 this always returns an empty RS rs = md.getPrimaryKeys("a", "b", "d"); // In Hive 1.2 this always returns an empty RS rs = md.getProcedureColumns("a", "b", "d", "e"); strrc = md.getProcedureTerm(); LOG.debug("Procedures are called " + strrc); // In Hive 1.2 this always returns an empty RS rs = md.getProcedures("a", "b", "d"); strrc = md.getSchemaTerm(); LOG.debug("Schemas are called " + strrc); rs = md.getSchemas(); while (rs.next()) { strrc = rs.getString(1); LOG.debug("Found schema " + strrc); } strrc = md.getSearchStringEscape(); LOG.debug("Search string escape is " + strrc); strrc = md.getStringFunctions(); LOG.debug("String functions are " + strrc); strrc = md.getSystemFunctions(); LOG.debug("System functions are " + strrc); rs = md.getTableTypes(); while (rs.next()) { strrc = rs.getString(1); LOG.debug("Found table type " + strrc); } strrc = md.getTimeDateFunctions(); LOG.debug("Time/date functions are " + strrc); rs = md.getTypeInfo(); while (rs.next()) { strrc = rs.getString(1); LOG.debug("Found type " + strrc); } // In Hive 1.2 this always returns an empty RS rs = md.getUDTs("a", "b", "d", null); boolrc = md.supportsAlterTableWithAddColumn(); LOG.debug("Supports alter table with add column? " + boolrc); boolrc = md.supportsAlterTableWithDropColumn(); LOG.debug("Supports alter table with drop column? " + boolrc); boolrc = md.supportsBatchUpdates(); LOG.debug("Supports batch updates? " + boolrc); boolrc = md.supportsCatalogsInDataManipulation(); LOG.debug("Supports catalogs in data manipulation? " + boolrc); boolrc = md.supportsCatalogsInIndexDefinitions(); LOG.debug("Supports catalogs in index definition? " + boolrc); boolrc = md.supportsCatalogsInPrivilegeDefinitions(); LOG.debug("Supports catalogs in privilege definition? " + boolrc); boolrc = md.supportsCatalogsInProcedureCalls(); LOG.debug("Supports catalogs in procedure calls? " + boolrc); boolrc = md.supportsCatalogsInTableDefinitions(); LOG.debug("Supports catalogs in table definition? " + boolrc); boolrc = md.supportsColumnAliasing(); LOG.debug("Supports column aliasing? " + boolrc); boolrc = md.supportsFullOuterJoins(); LOG.debug("Supports full outer joins? " + boolrc); boolrc = md.supportsGroupBy(); LOG.debug("Supports group by? " + boolrc); boolrc = md.supportsLimitedOuterJoins(); LOG.debug("Supports limited outer joins? " + boolrc); boolrc = md.supportsMultipleResultSets(); LOG.debug("Supports limited outer joins? " + boolrc); boolrc = md.supportsNonNullableColumns(); LOG.debug("Supports non-nullable columns? " + boolrc); boolrc = md.supportsOuterJoins(); LOG.debug("Supports outer joins? " + boolrc); boolrc = md.supportsPositionedDelete(); LOG.debug("Supports positioned delete? " + boolrc); boolrc = md.supportsPositionedUpdate(); LOG.debug("Supports positioned update? " + boolrc); boolrc = md.supportsResultSetHoldability(ResultSet.HOLD_CURSORS_OVER_COMMIT); LOG.debug("Supports result set holdability? " + boolrc); boolrc = md.supportsResultSetType(ResultSet.HOLD_CURSORS_OVER_COMMIT); LOG.debug("Supports result set type? " + boolrc); boolrc = md.supportsSavepoints(); LOG.debug("Supports savepoints? " + boolrc); boolrc = md.supportsSchemasInDataManipulation(); LOG.debug("Supports schemas in data manipulation? " + boolrc); boolrc = md.supportsSchemasInIndexDefinitions(); LOG.debug("Supports schemas in index definitions? " + boolrc); boolrc = md.supportsSchemasInPrivilegeDefinitions(); LOG.debug("Supports schemas in privilege definitions? " + boolrc); boolrc = md.supportsSchemasInProcedureCalls(); LOG.debug("Supports schemas in procedure calls? " + boolrc); boolrc = md.supportsSchemasInTableDefinitions(); LOG.debug("Supports schemas in table definitions? " + boolrc); boolrc = md.supportsSelectForUpdate(); LOG.debug("Supports select for update? " + boolrc); boolrc = md.supportsStoredProcedures(); LOG.debug("Supports stored procedures? " + boolrc); boolrc = md.supportsTransactions(); LOG.debug("Supports transactions? " + boolrc); boolrc = md.supportsUnion(); LOG.debug("Supports union? " + boolrc); boolrc = md.supportsUnionAll(); LOG.debug("Supports union all? " + boolrc); }
From source file:org.apache.hive.jdbc.TestJdbcDriver2.java
@Test public void testParentReferences() throws Exception { /* Test parent references from Statement */ Statement s = this.con.createStatement(); ResultSet rs = s.executeQuery("SELECT * FROM " + dataTypeTableName); assertTrue(s.getConnection() == this.con); assertTrue(rs.getStatement() == s);/* w w w. java 2s . c om*/ rs.close(); s.close(); /* Test parent references from PreparedStatement */ PreparedStatement ps = this.con.prepareStatement("SELECT * FROM " + dataTypeTableName); rs = ps.executeQuery(); assertTrue(ps.getConnection() == this.con); assertTrue(rs.getStatement() == ps); rs.close(); ps.close(); /* Test DatabaseMetaData queries which do not have a parent Statement */ DatabaseMetaData md = this.con.getMetaData(); assertTrue(md.getConnection() == this.con); rs = md.getCatalogs(); assertNull(rs.getStatement()); rs.close(); rs = md.getColumns(null, null, null, null); assertNull(rs.getStatement()); rs.close(); rs = md.getFunctions(null, null, null); assertNull(rs.getStatement()); rs.close(); rs = md.getImportedKeys(null, null, null); assertNull(rs.getStatement()); rs.close(); rs = md.getPrimaryKeys(null, null, null); assertNull(rs.getStatement()); rs.close(); rs = md.getProcedureColumns(null, null, null, null); assertNull(rs.getStatement()); rs.close(); rs = md.getProcedures(null, null, null); assertNull(rs.getStatement()); rs.close(); rs = md.getSchemas(); assertNull(rs.getStatement()); rs.close(); rs = md.getTableTypes(); assertNull(rs.getStatement()); rs.close(); rs = md.getTables(null, null, null, null); assertNull(rs.getStatement()); rs.close(); rs = md.getTypeInfo(); assertNull(rs.getStatement()); rs.close(); }
From source file:org.mule.module.db.internal.domain.type.MetadataDbTypeManager.java
protected void initialise(DbConnection connection) { try {//ww w . j a v a2 s .c o m DatabaseMetaData metaData = connection.getMetaData(); ResultSet typeInfo = metaData.getTypeInfo(); ResultSetIterator resultSetIterator = new ResultSetIterator(connection, typeInfo, new InsensitiveMapRowHandler(), new SingleResultResultSetCloser()); while (resultSetIterator.hasNext()) { Map<String, Object> typeRecord = resultSetIterator.next(); Number data_type = (Number) typeRecord.get(METADATA_TYPE_ID_COLUMN); String type_name = (String) typeRecord.get(METADATA_TYPE_NAME_COLUMN); ResolvedDbType resolvedDbType = new ResolvedDbType(data_type.intValue(), type_name); if (!isUserDefinedType(resolvedDbType)) { registerType(resolvedDbType); if (logger.isDebugEnabled()) { logger.debug("Type: " + typeRecord); } } } } catch (SQLException e) { throw new IllegalStateException("Cannot process metadata information", e); } }
From source file:org.sakaiproject.warehouse.util.db.DbLoader.java
protected String getLocalDataTypeName(String genericDataTypeName) { String localDataTypeName = null; try {/*from ww w.ja v a 2 s . co m*/ DatabaseMetaData dbmd = con.getMetaData(); String dbName = dbmd.getDatabaseProductName(); String dbVersion = dbmd.getDatabaseProductVersion(); String driverName = dbmd.getDriverName(); String driverVersion = dbmd.getDriverVersion(); // Check for a mapping in DbLoader.xml localDataTypeName = propertiesHandler.properties.getMappedDataTypeName(dbName, dbVersion, driverName, driverVersion, genericDataTypeName); if (localDataTypeName != null) return localDataTypeName; // Find the type code for this generic type name int dataTypeCode = getJavaSqlType(genericDataTypeName); // Find the first local type name matching the type code ResultSet rs = dbmd.getTypeInfo(); try { while (rs.next()) { int localDataTypeCode = rs.getInt("DATA_TYPE"); if (dataTypeCode == localDataTypeCode) { try { localDataTypeName = rs.getString("TYPE_NAME"); } catch (SQLException sqle) { } break; } } } finally { rs.close(); } if (localDataTypeName != null) return localDataTypeName; // No matching type found, report an error logger.error("Error in DbLoader.getLocalDataTypeName()"); logger.error("Your database driver, '" + driverName + "', version '" + driverVersion + "', was unable to find a local type name that matches the generic type name, '" + genericDataTypeName + "'."); logger.error("Please add a mapped type for database '" + dbName + "', version '" + dbVersion + "' inside your properties file and run this program again."); logger.error("Exiting..."); } catch (Exception e) { logger.error("Error in DbLoader.getLocalDataTypeName()", e); } return null; }