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TDengine
提交 7beef60c 编写于 作者: Z zyyang-taosdata
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[TD-1313]<hotfix>: implement getColumns method in the TSDBDatabaseMetadata and... 

[TD-1313]<hotfix>: implement getColumns method in the TSDBDatabaseMetadata and update the next method in DatabaseMetaDataResultSet
上级 d08432ea
隐藏空白更改
内联 并排
Showing with 828 addition and 653 deletion
src/connector/jdbc/pom.xml
浏览文件 @ 7beef60c
......@@ -55,6 +55,7 @@
<version>4.13</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/DatabaseMetaDataResultSet.java
浏览文件 @ 7beef60c
......@@ -67,14 +67,23 @@ public class DatabaseMetaDataResultSet implements ResultSet {
@Override
public boolean next() throws SQLException {
// boolean ret = false;
// if (rowDataList.size() > 0) {
// ret = rowDataList.iterator().hasNext();
// if (ret) {
// rowCursor = rowDataList.iterator().next();
// cursorRowNumber++;
// }
// }
// return ret;
/**** add by zyyang 2020-09-29 ****************/
boolean ret = false;
if (rowDataList.size() > 0) {
ret = rowDataList.iterator().hasNext();
if (ret) {
rowCursor = rowDataList.iterator().next();
cursorRowNumber++;
}
if (!rowDataList.isEmpty() && cursorRowNumber < rowDataList.size()) {
rowCursor = rowDataList.get(cursorRowNumber++);
ret = true;
}
return ret;
}
......@@ -91,7 +100,8 @@ public class DatabaseMetaDataResultSet implements ResultSet {
@Override
public String getString(int columnIndex) throws SQLException {
columnIndex--;
return rowCursor.getString(columnIndex, columnMetaDataList.get(columnIndex).getColType());
int colType = columnMetaDataList.get(columnIndex).getColType();
return rowCursor.getString(columnIndex, colType);
}
@Override
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDatabaseMetaData.java
浏览文件 @ 7beef60c
......@@ -20,519 +20,519 @@ import java.util.List;
public class TSDBDatabaseMetaData implements java.sql.DatabaseMetaData {
private String dbProductName = null;
private String url = null;
private String userName = null;
private Connection conn = null;
public TSDBDatabaseMetaData(String dbProductName, String url, String userName) {
this.dbProductName = dbProductName;
this.url = url;
this.userName = userName;
}
private String dbProductName = null;
private String url = null;
private String userName = null;
private Connection conn = null;
public TSDBDatabaseMetaData(String dbProductName, String url, String userName) {
this.dbProductName = dbProductName;
this.url = url;
this.userName = userName;
}
public void setConnection(Connection conn) {
this.conn = conn;
}
public void setConnection(Connection conn) {
this.conn = conn;
}
public <T> T unwrap(Class<T> iface) throws SQLException {
return null;
}
public <T> T unwrap(Class<T> iface) throws SQLException {
return null;
}
public boolean isWrapperFor(Class<?> iface) throws SQLException {
return false;
}
public boolean isWrapperFor(Class<?> iface) throws SQLException {
return false;
}
public boolean allProceduresAreCallable() throws SQLException {
return false;
}
public boolean allProceduresAreCallable() throws SQLException {
return false;
}
public boolean allTablesAreSelectable() throws SQLException {
return false;
}
public boolean allTablesAreSelectable() throws SQLException {
return false;
}
public String getURL() throws SQLException {
return this.url;
}
public String getURL() throws SQLException {
return this.url;
}
public String getUserName() throws SQLException {
return this.userName;
}
public String getUserName() throws SQLException {
return this.userName;
}
public boolean isReadOnly() throws SQLException {
return false;
}
public boolean isReadOnly() throws SQLException {
return false;
}
public boolean nullsAreSortedHigh() throws SQLException {
return false;
}
public boolean nullsAreSortedHigh() throws SQLException {
return false;
}
public boolean nullsAreSortedLow() throws SQLException {
return !nullsAreSortedHigh();
}
public boolean nullsAreSortedLow() throws SQLException {
return !nullsAreSortedHigh();
}
public boolean nullsAreSortedAtStart() throws SQLException {
return true;
}
public boolean nullsAreSortedAtStart() throws SQLException {
return true;
}
public boolean nullsAreSortedAtEnd() throws SQLException {
return !nullsAreSortedAtStart();
}
public boolean nullsAreSortedAtEnd() throws SQLException {
return !nullsAreSortedAtStart();
}
public String getDatabaseProductName() throws SQLException {
return this.dbProductName;
}
public String getDatabaseProductName() throws SQLException {
return this.dbProductName;
}
public String getDatabaseProductVersion() throws SQLException {
return "1.5.1";
}
public String getDatabaseProductVersion() throws SQLException {
return "1.5.1";
}
public String getDriverName() throws SQLException {
return TSDBDriver.class.getName();
}
public String getDriverName() throws SQLException {
return TSDBDriver.class.getName();
}
public String getDriverVersion() throws SQLException {
return "1.0.0";
}
public String getDriverVersion() throws SQLException {
return "1.0.0";
}
public int getDriverMajorVersion() {
return 0;
}
public int getDriverMajorVersion() {
return 0;
}
public int getDriverMinorVersion() {
return 0;
}
public int getDriverMinorVersion() {
return 0;
}
public boolean usesLocalFiles() throws SQLException {
return false;
}
public boolean usesLocalFiles() throws SQLException {
return false;
}
public boolean usesLocalFilePerTable() throws SQLException {
return false;
}
public boolean usesLocalFilePerTable() throws SQLException {
return false;
}
public boolean supportsMixedCaseIdentifiers() throws SQLException {
return false;
}
public boolean supportsMixedCaseIdentifiers() throws SQLException {
return false;
}
public boolean storesUpperCaseIdentifiers() throws SQLException {
return false;
}
public boolean storesUpperCaseIdentifiers() throws SQLException {
return false;
}
public boolean storesLowerCaseIdentifiers() throws SQLException {
return false;
}
public boolean storesLowerCaseIdentifiers() throws SQLException {
return false;
}
public boolean storesMixedCaseIdentifiers() throws SQLException {
return false;
}
public boolean storesMixedCaseIdentifiers() throws SQLException {
return false;
}
public boolean supportsMixedCaseQuotedIdentifiers() throws SQLException {
return false;
}
public boolean supportsMixedCaseQuotedIdentifiers() throws SQLException {
return false;
}
public boolean storesUpperCaseQuotedIdentifiers() throws SQLException {
return false;
}
public boolean storesUpperCaseQuotedIdentifiers() throws SQLException {
return false;
}
public boolean storesLowerCaseQuotedIdentifiers() throws SQLException {
return false;
}
public boolean storesLowerCaseQuotedIdentifiers() throws SQLException {
return false;
}
public boolean storesMixedCaseQuotedIdentifiers() throws SQLException {
return false;
}
public boolean storesMixedCaseQuotedIdentifiers() throws SQLException {
return false;
}
public String getIdentifierQuoteString() throws SQLException {
return " ";
}
public String getIdentifierQuoteString() throws SQLException {
return " ";
}
public String getSQLKeywords() throws SQLException {
return null;
}
public String getSQLKeywords() throws SQLException {
return null;
}
public String getNumericFunctions() throws SQLException {
return null;
}
public String getNumericFunctions() throws SQLException {
return null;
}
public String getStringFunctions() throws SQLException {
return null;
}
public String getStringFunctions() throws SQLException {
return null;
}
public String getSystemFunctions() throws SQLException {
return null;
}
public String getSystemFunctions() throws SQLException {
return null;
}
public String getTimeDateFunctions() throws SQLException {
return null;
}
public String getTimeDateFunctions() throws SQLException {
return null;
}
public String getSearchStringEscape() throws SQLException {
return null;
}
public String getSearchStringEscape() throws SQLException {
return null;
}
public String getExtraNameCharacters() throws SQLException {
return null;
}
public String getExtraNameCharacters() throws SQLException {
return null;
}
public boolean supportsAlterTableWithAddColumn() throws SQLException {
return true;
}
public boolean supportsAlterTableWithAddColumn() throws SQLException {
return true;
}
public boolean supportsAlterTableWithDropColumn() throws SQLException {
return true;
}
public boolean supportsAlterTableWithDropColumn() throws SQLException {
return true;
}
public boolean supportsColumnAliasing() throws SQLException {
return true;
}
public boolean supportsColumnAliasing() throws SQLException {
return true;
}
public boolean nullPlusNonNullIsNull() throws SQLException {
return false;
}
public boolean nullPlusNonNullIsNull() throws SQLException {
return false;
}
public boolean supportsConvert() throws SQLException {
return false;
}
public boolean supportsConvert() throws SQLException {
return false;
}
public boolean supportsConvert(int fromType, int toType) throws SQLException {
return false;
}
public boolean supportsConvert(int fromType, int toType) throws SQLException {
return false;
}
public boolean supportsTableCorrelationNames() throws SQLException {
return false;
}
public boolean supportsTableCorrelationNames() throws SQLException {
return false;
}
public boolean supportsDifferentTableCorrelationNames() throws SQLException {
return false;
}
public boolean supportsDifferentTableCorrelationNames() throws SQLException {
return false;
}
public boolean supportsExpressionsInOrderBy() throws SQLException {
return false;
}
public boolean supportsExpressionsInOrderBy() throws SQLException {
return false;
}
public boolean supportsOrderByUnrelated() throws SQLException {
return false;
}
public boolean supportsOrderByUnrelated() throws SQLException {
return false;
}
public boolean supportsGroupBy() throws SQLException {
return false;
}
public boolean supportsGroupBy() throws SQLException {
return false;
}
public boolean supportsGroupByUnrelated() throws SQLException {
return false;
}
public boolean supportsGroupByUnrelated() throws SQLException {
return false;
}
public boolean supportsGroupByBeyondSelect() throws SQLException {
return false;
}
public boolean supportsGroupByBeyondSelect() throws SQLException {
return false;
}
public boolean supportsLikeEscapeClause() throws SQLException {
return false;
}
public boolean supportsLikeEscapeClause() throws SQLException {
return false;
}
public boolean supportsMultipleResultSets() throws SQLException {
return false;
}
public boolean supportsMultipleResultSets() throws SQLException {
return false;
}
public boolean supportsMultipleTransactions() throws SQLException {
return false;
}
public boolean supportsMultipleTransactions() throws SQLException {
return false;
}
public boolean supportsNonNullableColumns() throws SQLException {
return false;
}
public boolean supportsNonNullableColumns() throws SQLException {
return false;
}
public boolean supportsMinimumSQLGrammar() throws SQLException {
return false;
}
public boolean supportsMinimumSQLGrammar() throws SQLException {
return false;
}
public boolean supportsCoreSQLGrammar() throws SQLException {
return false;
}
public boolean supportsCoreSQLGrammar() throws SQLException {
return false;
}
public boolean supportsExtendedSQLGrammar() throws SQLException {
return false;
}
public boolean supportsExtendedSQLGrammar() throws SQLException {
return false;
}
public boolean supportsANSI92EntryLevelSQL() throws SQLException {
return false;
}
public boolean supportsANSI92EntryLevelSQL() throws SQLException {
return false;
}
public boolean supportsANSI92IntermediateSQL() throws SQLException {
return false;
}
public boolean supportsANSI92IntermediateSQL() throws SQLException {
return false;
}
public boolean supportsANSI92FullSQL() throws SQLException {
return false;
}
public boolean supportsANSI92FullSQL() throws SQLException {
return false;
}
public boolean supportsIntegrityEnhancementFacility() throws SQLException {
return false;
}
public boolean supportsIntegrityEnhancementFacility() throws SQLException {
return false;
}
public boolean supportsOuterJoins() throws SQLException {
return false;
}
public boolean supportsOuterJoins() throws SQLException {
return false;
}
public boolean supportsFullOuterJoins() throws SQLException {
return false;
}
public boolean supportsFullOuterJoins() throws SQLException {
return false;
}
public boolean supportsLimitedOuterJoins() throws SQLException {
return false;
}
public boolean supportsLimitedOuterJoins() throws SQLException {
return false;
}
public String getSchemaTerm() throws SQLException {
return null;
}
public String getSchemaTerm() throws SQLException {
return null;
}
public String getProcedureTerm() throws SQLException {
return null;
}
public String getProcedureTerm() throws SQLException {
return null;
}
public String getCatalogTerm() throws SQLException {
return "database";
}
public String getCatalogTerm() throws SQLException {
return "database";
}
public boolean isCatalogAtStart() throws SQLException {
return true;
}
public boolean isCatalogAtStart() throws SQLException {
return true;
}
public String getCatalogSeparator() throws SQLException {
return ".";
}
public String getCatalogSeparator() throws SQLException {
return ".";
}
public boolean supportsSchemasInDataManipulation() throws SQLException {
return false;
}
public boolean supportsSchemasInDataManipulation() throws SQLException {
return false;
}
public boolean supportsSchemasInProcedureCalls() throws SQLException {
return false;
}
public boolean supportsSchemasInProcedureCalls() throws SQLException {
return false;
}
public boolean supportsSchemasInTableDefinitions() throws SQLException {
return false;
}
public boolean supportsSchemasInTableDefinitions() throws SQLException {
return false;
}
public boolean supportsSchemasInIndexDefinitions() throws SQLException {
return false;
}
public boolean supportsSchemasInIndexDefinitions() throws SQLException {
return false;
}
public boolean supportsSchemasInPrivilegeDefinitions() throws SQLException {
return false;
}
public boolean supportsSchemasInPrivilegeDefinitions() throws SQLException {
return false;
}
public boolean supportsCatalogsInDataManipulation() throws SQLException {
return true;
}
public boolean supportsCatalogsInDataManipulation() throws SQLException {
return true;
}
public boolean supportsCatalogsInProcedureCalls() throws SQLException {
return false;
}
public boolean supportsCatalogsInProcedureCalls() throws SQLException {
return false;
}
public boolean supportsCatalogsInTableDefinitions() throws SQLException {
return false;
}
public boolean supportsCatalogsInTableDefinitions() throws SQLException {
return false;
}
public boolean supportsCatalogsInIndexDefinitions() throws SQLException {
return false;
}
public boolean supportsCatalogsInIndexDefinitions() throws SQLException {
return false;
}
public boolean supportsCatalogsInPrivilegeDefinitions() throws SQLException {
return false;
}
public boolean supportsCatalogsInPrivilegeDefinitions() throws SQLException {
return false;
}
public boolean supportsPositionedDelete() throws SQLException {
return false;
}
public boolean supportsPositionedDelete() throws SQLException {
return false;
}
public boolean supportsPositionedUpdate() throws SQLException {
return false;
}
public boolean supportsPositionedUpdate() throws SQLException {
return false;
}
public boolean supportsSelectForUpdate() throws SQLException {
return false;
}
public boolean supportsSelectForUpdate() throws SQLException {
return false;
}
public boolean supportsStoredProcedures() throws SQLException {
return false;
}
public boolean supportsStoredProcedures() throws SQLException {
return false;
}
public boolean supportsSubqueriesInComparisons() throws SQLException {
return false;
}
public boolean supportsSubqueriesInComparisons() throws SQLException {
return false;
}
public boolean supportsSubqueriesInExists() throws SQLException {
return false;
}
public boolean supportsSubqueriesInExists() throws SQLException {
return false;
}
public boolean supportsSubqueriesInIns() throws SQLException {
return false;
}
public boolean supportsSubqueriesInIns() throws SQLException {
return false;
}
public boolean supportsSubqueriesInQuantifieds() throws SQLException {
return false;
}
public boolean supportsSubqueriesInQuantifieds() throws SQLException {
return false;
}
public boolean supportsCorrelatedSubqueries() throws SQLException {
return false;
}
public boolean supportsCorrelatedSubqueries() throws SQLException {
return false;
}
public boolean supportsUnion() throws SQLException {
return false;
}
public boolean supportsUnion() throws SQLException {
return false;
}
public boolean supportsUnionAll() throws SQLException {
return false;
}
public boolean supportsUnionAll() throws SQLException {
return false;
}
public boolean supportsOpenCursorsAcrossCommit() throws SQLException {
return false;
}
public boolean supportsOpenCursorsAcrossCommit() throws SQLException {
return false;
}
public boolean supportsOpenCursorsAcrossRollback() throws SQLException {
return false;
}
public boolean supportsOpenCursorsAcrossRollback() throws SQLException {
return false;
}
public boolean supportsOpenStatementsAcrossCommit() throws SQLException {
return false;
}
public boolean supportsOpenStatementsAcrossCommit() throws SQLException {
return false;
}
public boolean supportsOpenStatementsAcrossRollback() throws SQLException {
return false;
}
public boolean supportsOpenStatementsAcrossRollback() throws SQLException {
return false;
}
public int getMaxBinaryLiteralLength() throws SQLException {
return 0;
}
public int getMaxBinaryLiteralLength() throws SQLException {
return 0;
}
public int getMaxCharLiteralLength() throws SQLException {
return 0;
}
public int getMaxCharLiteralLength() throws SQLException {
return 0;
}
public int getMaxColumnNameLength() throws SQLException {
return 0;
}
public int getMaxColumnNameLength() throws SQLException {
return 0;
}
public int getMaxColumnsInGroupBy() throws SQLException {
return 0;
}
public int getMaxColumnsInGroupBy() throws SQLException {
return 0;
}
public int getMaxColumnsInIndex() throws SQLException {
return 0;
}
public int getMaxColumnsInIndex() throws SQLException {
return 0;
}
public int getMaxColumnsInOrderBy() throws SQLException {
return 0;
}
public int getMaxColumnsInOrderBy() throws SQLException {
return 0;
}
public int getMaxColumnsInSelect() throws SQLException {
return 0;
}
public int getMaxColumnsInTable() throws SQLException {
return 0;
}
public int getMaxConnections() throws SQLException {
return 0;
}
public int getMaxCursorNameLength() throws SQLException {
return 0;
}
public int getMaxIndexLength() throws SQLException {
return 0;
}
public int getMaxSchemaNameLength() throws SQLException {
return 0;
}
public int getMaxProcedureNameLength() throws SQLException {
return 0;
}
public int getMaxCatalogNameLength() throws SQLException {
return 0;
}
public int getMaxRowSize() throws SQLException {
return 0;
}
public boolean doesMaxRowSizeIncludeBlobs() throws SQLException {
return false;
}
public int getMaxStatementLength() throws SQLException {
return 0;
}
public int getMaxStatements() throws SQLException {
return 0;
}
public int getMaxTableNameLength() throws SQLException {
return 0;
}
public int getMaxTablesInSelect() throws SQLException {
return 0;
}
public int getMaxUserNameLength() throws SQLException {
return 0;
}
public int getDefaultTransactionIsolation() throws SQLException {
return 0;
}
public boolean supportsTransactions() throws SQLException {
return false;
}
public boolean supportsTransactionIsolationLevel(int level) throws SQLException {
return false;
}
public boolean supportsDataDefinitionAndDataManipulationTransactions() throws SQLException {
return false;
}
public boolean supportsDataManipulationTransactionsOnly() throws SQLException {
return false;
}
public boolean dataDefinitionCausesTransactionCommit() throws SQLException {
return false;
}
public boolean dataDefinitionIgnoredInTransactions() throws SQLException {
return false;
}
public ResultSet getProcedures(String catalog, String schemaPattern, String procedureNamePattern)
throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public ResultSet getProcedureColumns(String catalog, String schemaPattern, String procedureNamePattern,
String columnNamePattern) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public ResultSet getTables(String catalog, String schemaPattern, String tableNamePattern, String[] types)
throws SQLException {
Statement stmt = null;
if (null != conn && !conn.isClosed()) {
stmt = conn.createStatement();
if (catalog == null || catalog.length() < 1) {
catalog = conn.getCatalog();
}
public int getMaxColumnsInSelect() throws SQLException {
return 0;
}
public int getMaxColumnsInTable() throws SQLException {
return 0;
}
public int getMaxConnections() throws SQLException {
return 0;
}
public int getMaxCursorNameLength() throws SQLException {
return 0;
}
public int getMaxIndexLength() throws SQLException {
return 0;
}
public int getMaxSchemaNameLength() throws SQLException {
return 0;
}
public int getMaxProcedureNameLength() throws SQLException {
return 0;
}
public int getMaxCatalogNameLength() throws SQLException {
return 0;
}
public int getMaxRowSize() throws SQLException {
return 0;
}
public boolean doesMaxRowSizeIncludeBlobs() throws SQLException {
return false;
}
public int getMaxStatementLength() throws SQLException {
return 0;
}
public int getMaxStatements() throws SQLException {
return 0;
}
public int getMaxTableNameLength() throws SQLException {
return 0;
}
public int getMaxTablesInSelect() throws SQLException {
return 0;
}
public int getMaxUserNameLength() throws SQLException {
return 0;
}
public int getDefaultTransactionIsolation() throws SQLException {
return 0;
}
public boolean supportsTransactions() throws SQLException {
return false;
}
public boolean supportsTransactionIsolationLevel(int level) throws SQLException {
return false;
}
public boolean supportsDataDefinitionAndDataManipulationTransactions() throws SQLException {
return false;
}
public boolean supportsDataManipulationTransactionsOnly() throws SQLException {
return false;
}
public boolean dataDefinitionCausesTransactionCommit() throws SQLException {
return false;
}
public boolean dataDefinitionIgnoredInTransactions() throws SQLException {
return false;
}
public ResultSet getProcedures(String catalog, String schemaPattern, String procedureNamePattern)
throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public ResultSet getProcedureColumns(String catalog, String schemaPattern, String procedureNamePattern,
String columnNamePattern) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public ResultSet getTables(String catalog, String schemaPattern, String tableNamePattern, String[] types)
throws SQLException {
Statement stmt = null;
if (null != conn && !conn.isClosed()) {
stmt = conn.createStatement();
if (catalog == null || catalog.length() < 1) {
catalog = conn.getCatalog();
}
stmt.executeUpdate("use " + catalog);
ResultSet resultSet0 = stmt.executeQuery("show tables");
GetTablesResultSet getTablesResultSet = new GetTablesResultSet(resultSet0, catalog, schemaPattern, tableNamePattern, types);
......@@ -540,29 +540,29 @@ public class TSDBDatabaseMetaData implements java.sql.DatabaseMetaData {
} else {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
}
}
public ResultSet getSchemas() throws SQLException {
return getEmptyResultSet();
}
public ResultSet getSchemas() throws SQLException {
return getEmptyResultSet();
}
public ResultSet getCatalogs() throws SQLException {
public ResultSet getCatalogs() throws SQLException {
if (conn != null && !conn.isClosed()) {
Statement stmt = conn.createStatement();
ResultSet resultSet0 = stmt.executeQuery("show databases");
CatalogResultSet resultSet = new CatalogResultSet(resultSet0);
return resultSet;
} else {
return getEmptyResultSet();
if (conn != null && !conn.isClosed()) {
Statement stmt = conn.createStatement();
ResultSet resultSet0 = stmt.executeQuery("show databases");
CatalogResultSet resultSet = new CatalogResultSet(resultSet0);
return resultSet;
} else {
return getEmptyResultSet();
}
}
}
public ResultSet getTableTypes() throws SQLException {
DatabaseMetaDataResultSet resultSet = new DatabaseMetaDataResultSet();
public ResultSet getTableTypes() throws SQLException {
DatabaseMetaDataResultSet resultSet = new DatabaseMetaDataResultSet();
// set up ColumnMetaDataList
List<ColumnMetaData> columnMetaDataList = new ArrayList<ColumnMetaData>(1);
// set up ColumnMetaDataList
List<ColumnMetaData> columnMetaDataList = new ArrayList<ColumnMetaData>(1);
ColumnMetaData colMetaData = new ColumnMetaData();
colMetaData.setColIndex(0);
colMetaData.setColName("TABLE_TYPE");
......@@ -582,220 +582,384 @@ public class TSDBDatabaseMetaData implements java.sql.DatabaseMetaData {
resultSet.setColumnMetaDataList(columnMetaDataList);
resultSet.setRowDataList(rowDataList);
return resultSet;
}
public ResultSet getColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern)
throws SQLException {
return getEmptyResultSet();
}
public ResultSet getColumnPrivileges(String catalog, String schema, String table, String columnNamePattern)
throws SQLException {
return getEmptyResultSet();
}
public ResultSet getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern)
throws SQLException {
return getEmptyResultSet();
}
public ResultSet getBestRowIdentifier(String catalog, String schema, String table, int scope, boolean nullable)
throws SQLException {
return getEmptyResultSet();
}
public ResultSet getVersionColumns(String catalog, String schema, String table) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getPrimaryKeys(String catalog, String schema, String table) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getImportedKeys(String catalog, String schema, String table) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getExportedKeys(String catalog, String schema, String table) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getCrossReference(String parentCatalog, String parentSchema, String parentTable,
String foreignCatalog, String foreignSchema, String foreignTable) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getTypeInfo() throws SQLException {
return getEmptyResultSet();
}
public ResultSet getIndexInfo(String catalog, String schema, String table, boolean unique, boolean approximate)
throws SQLException {
return getEmptyResultSet();
}
public boolean supportsResultSetType(int type) throws SQLException {
return false;
}
public boolean supportsResultSetConcurrency(int type, int concurrency) throws SQLException {
return false;
}
public boolean ownUpdatesAreVisible(int type) throws SQLException {
return false;
}
public boolean ownDeletesAreVisible(int type) throws SQLException {
return false;
}
public boolean ownInsertsAreVisible(int type) throws SQLException {
return false;
}
public boolean othersUpdatesAreVisible(int type) throws SQLException {
return false;
}
public boolean othersDeletesAreVisible(int type) throws SQLException {
return false;
}
public boolean othersInsertsAreVisible(int type) throws SQLException {
return false;
}
public boolean updatesAreDetected(int type) throws SQLException {
return false;
}
public boolean deletesAreDetected(int type) throws SQLException {
return false;
}
public boolean insertsAreDetected(int type) throws SQLException {
return false;
}
public boolean supportsBatchUpdates() throws SQLException {
return false;
}
public ResultSet getUDTs(String catalog, String schemaPattern, String typeNamePattern, int[] types)
throws SQLException {
return getEmptyResultSet();
}
public Connection getConnection() throws SQLException {
return null;
}
public boolean supportsSavepoints() throws SQLException {
return false;
}
public boolean supportsNamedParameters() throws SQLException {
return false;
}
public boolean supportsMultipleOpenResults() throws SQLException {
return false;
}
public boolean supportsGetGeneratedKeys() throws SQLException {
return false;
}
public ResultSet getSuperTypes(String catalog, String schemaPattern, String typeNamePattern) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getSuperTables(String catalog, String schemaPattern, String tableNamePattern) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getAttributes(String catalog, String schemaPattern, String typeNamePattern,
String attributeNamePattern) throws SQLException {
return getEmptyResultSet();
}
public boolean supportsResultSetHoldability(int holdability) throws SQLException {
return false;
}
public int getResultSetHoldability() throws SQLException {
return 0;
}
public int getDatabaseMajorVersion() throws SQLException {
return 0;
}
public int getDatabaseMinorVersion() throws SQLException {
return 0;
}
public int getJDBCMajorVersion() throws SQLException {
return 0;
}
public int getJDBCMinorVersion() throws SQLException {
return 0;
}
public int getSQLStateType() throws SQLException {
return 0;
}
public boolean locatorsUpdateCopy() throws SQLException {
return false;
}
public boolean supportsStatementPooling() throws SQLException {
return false;
}
public RowIdLifetime getRowIdLifetime() throws SQLException {
return null;
}
public ResultSet getSchemas(String catalog, String schemaPattern) throws SQLException {
return null;
}
public boolean supportsStoredFunctionsUsingCallSyntax() throws SQLException {
return false;
}
public boolean autoCommitFailureClosesAllResultSets() throws SQLException {
return false;
}
public ResultSet getClientInfoProperties() throws SQLException {
return getEmptyResultSet();
}
public ResultSet getFunctions(String catalog, String schemaPattern, String functionNamePattern)
throws SQLException {
return getEmptyResultSet();
}
public ResultSet getFunctionColumns(String catalog, String schemaPattern, String functionNamePattern,
String columnNamePattern) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getPseudoColumns(String catalog, String schemaPattern, String tableNamePattern,
String columnNamePattern) throws SQLException {
return getEmptyResultSet();
}
public boolean generatedKeyAlwaysReturned() throws SQLException {
return false;
}
private ResultSet getEmptyResultSet() {
return new EmptyResultSet();
}
}
public ResultSet getColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern)
throws SQLException {
/** add by zyyang **********/
Statement stmt = null;
if (null != conn && !conn.isClosed()) {
stmt = conn.createStatement();
if (catalog == null || catalog.length() < 1) {
catalog = conn.getCatalog();
}
stmt.executeUpdate("use " + catalog);
DatabaseMetaDataResultSet resultSet = new DatabaseMetaDataResultSet();
// set up ColumnMetaDataList
List<ColumnMetaData> columnMetaDataList = new ArrayList<>(24);
columnMetaDataList.add(null);
columnMetaDataList.add(null);
// add TABLE_NAME
ColumnMetaData colMetaData = new ColumnMetaData();
colMetaData.setColIndex(3);
colMetaData.setColName("TABLE_NAME");
colMetaData.setColSize(193);
colMetaData.setColType(TSDBConstants.TSDB_DATA_TYPE_BINARY);
columnMetaDataList.add(colMetaData);
// add COLUMN_NAME
colMetaData = new ColumnMetaData();
colMetaData.setColIndex(4);
colMetaData.setColName("COLUMN_NAME");
colMetaData.setColSize(65);
colMetaData.setColType(TSDBConstants.TSDB_DATA_TYPE_BINARY);
columnMetaDataList.add(colMetaData);
// add DATA_TYPE
colMetaData = new ColumnMetaData();
colMetaData.setColIndex(5);
colMetaData.setColName("DATA_TYPE");
colMetaData.setColType(TSDBConstants.TSDB_DATA_TYPE_INT);
columnMetaDataList.add(colMetaData);
// add TYPE_NAME
colMetaData = new ColumnMetaData();
colMetaData.setColIndex(6);
colMetaData.setColName("TYPE_NAME");
colMetaData.setColType(TSDBConstants.TSDB_DATA_TYPE_BINARY);
columnMetaDataList.add(colMetaData);
// add COLUMN_SIZE
colMetaData = new ColumnMetaData();
colMetaData.setColIndex(7);
colMetaData.setColName("COLUMN_SIZE");
colMetaData.setColType(TSDBConstants.TSDB_DATA_TYPE_INT);
columnMetaDataList.add(colMetaData);
// add BUFFER_LENGTH ,not used
columnMetaDataList.add(null);
// add DECIMAL_DIGITS
colMetaData = new ColumnMetaData();
colMetaData.setColIndex(9);
colMetaData.setColName("DECIMAL_DIGITS");
colMetaData.setColType(TSDBConstants.TSDB_DATA_TYPE_INT);
columnMetaDataList.add(colMetaData);
// add NUM_PREC_RADIX
colMetaData = new ColumnMetaData();
colMetaData.setColIndex(10);
colMetaData.setColName("NUM_PREC_RADIX");
colMetaData.setColType(TSDBConstants.TSDB_DATA_TYPE_INT);
columnMetaDataList.add(colMetaData);
// add NULLABLE
colMetaData = new ColumnMetaData();
colMetaData.setColIndex(11);
colMetaData.setColName("NULLABLE");
colMetaData.setColType(TSDBConstants.TSDB_DATA_TYPE_INT);
columnMetaDataList.add(colMetaData);
resultSet.setColumnMetaDataList(columnMetaDataList);
// set up rowDataList
ResultSet resultSet0 = stmt.executeQuery("describe " + tableNamePattern);
List<TSDBResultSetRowData> rowDataList = new ArrayList<>();
int index = 0;
while (resultSet0.next()) {
TSDBResultSetRowData rowData = new TSDBResultSetRowData(24);
// set TABLE_NAME
rowData.setString(2, tableNamePattern);
// set COLUMN_NAME
rowData.setString(3, resultSet0.getString(1));
// set DATA_TYPE
String typeName = resultSet0.getString(2);
rowData.setInt(4, getDataType(typeName));
// set TYPE_NAME
rowData.setString(5, typeName);
// set COLUMN_SIZE
int length = resultSet0.getInt(3);
rowData.setInt(6, getColumnSize(typeName, length));
// set DECIMAL_DIGITS
rowData.setInt(8, getDecimalDigits(typeName));
// set NUM_PREC_RADIX
rowData.setInt(9, 10);
// set NULLABLE
rowData.setInt(10, getNullable(index, typeName));
rowDataList.add(rowData);
index++;
}
resultSet.setRowDataList(rowDataList);
// GetColumnsResultSet getColumnsResultSet = new GetColumnsResultSet(resultSet0, catalog, schemaPattern, tableNamePattern, columnNamePattern);
// return getColumnsResultSet;
// DatabaseMetaDataResultSet resultSet = new DatabaseMetaDataResultSet();
return resultSet;
} else {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
/*************************/
// return getEmptyResultSet();
}
private int getNullable(int index, String typeName) {
if (index == 0 && "TIMESTAMP".equals(typeName))
return DatabaseMetaData.columnNoNulls;
return DatabaseMetaData.columnNullable;
}
private int getColumnSize(String typeName, int length) {
switch (typeName) {
case "TIMESTAMP":
return 23;
default:
return 0;
}
}
private int getDecimalDigits(String typeName) {
switch (typeName) {
case "FLOAT":
return 5;
case "DOUBLE":
return 9;
default:
return 0;
}
}
private int getDataType(String typeName) {
switch (typeName) {
case "TIMESTAMP":
return Types.TIMESTAMP;
case "INT":
return Types.INTEGER;
case "BIGINT":
return Types.BIGINT;
case "FLOAT":
return Types.FLOAT;
case "DOUBLE":
return Types.DOUBLE;
case "BINARY":
return Types.BINARY;
case "SMALLINT":
return Types.SMALLINT;
case "TINYINT":
return Types.TINYINT;
case "BOOL":
return Types.BOOLEAN;
case "NCHAR":
return Types.NCHAR;
default:
return Types.NULL;
}
}
public ResultSet getColumnPrivileges(String catalog, String schema, String table, String columnNamePattern)
throws SQLException {
return getEmptyResultSet();
}
public ResultSet getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern)
throws SQLException {
return getEmptyResultSet();
}
public ResultSet getBestRowIdentifier(String catalog, String schema, String table, int scope, boolean nullable)
throws SQLException {
return getEmptyResultSet();
}
public ResultSet getVersionColumns(String catalog, String schema, String table) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getPrimaryKeys(String catalog, String schema, String table) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getImportedKeys(String catalog, String schema, String table) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getExportedKeys(String catalog, String schema, String table) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getCrossReference(String parentCatalog, String parentSchema, String parentTable,
String foreignCatalog, String foreignSchema, String foreignTable) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getTypeInfo() throws SQLException {
return getEmptyResultSet();
}
public ResultSet getIndexInfo(String catalog, String schema, String table, boolean unique, boolean approximate)
throws SQLException {
return getEmptyResultSet();
}
public boolean supportsResultSetType(int type) throws SQLException {
return false;
}
public boolean supportsResultSetConcurrency(int type, int concurrency) throws SQLException {
return false;
}
public boolean ownUpdatesAreVisible(int type) throws SQLException {
return false;
}
public boolean ownDeletesAreVisible(int type) throws SQLException {
return false;
}
public boolean ownInsertsAreVisible(int type) throws SQLException {
return false;
}
public boolean othersUpdatesAreVisible(int type) throws SQLException {
return false;
}
public boolean othersDeletesAreVisible(int type) throws SQLException {
return false;
}
public boolean othersInsertsAreVisible(int type) throws SQLException {
return false;
}
public boolean updatesAreDetected(int type) throws SQLException {
return false;
}
public boolean deletesAreDetected(int type) throws SQLException {
return false;
}
public boolean insertsAreDetected(int type) throws SQLException {
return false;
}
public boolean supportsBatchUpdates() throws SQLException {
return false;
}
public ResultSet getUDTs(String catalog, String schemaPattern, String typeNamePattern, int[] types)
throws SQLException {
return getEmptyResultSet();
}
public Connection getConnection() throws SQLException {
return null;
}
public boolean supportsSavepoints() throws SQLException {
return false;
}
public boolean supportsNamedParameters() throws SQLException {
return false;
}
public boolean supportsMultipleOpenResults() throws SQLException {
return false;
}
public boolean supportsGetGeneratedKeys() throws SQLException {
return false;
}
public ResultSet getSuperTypes(String catalog, String schemaPattern, String typeNamePattern) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getSuperTables(String catalog, String schemaPattern, String tableNamePattern) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getAttributes(String catalog, String schemaPattern, String typeNamePattern,
String attributeNamePattern) throws SQLException {
return getEmptyResultSet();
}
public boolean supportsResultSetHoldability(int holdability) throws SQLException {
return false;
}
public int getResultSetHoldability() throws SQLException {
return 0;
}
public int getDatabaseMajorVersion() throws SQLException {
return 0;
}
public int getDatabaseMinorVersion() throws SQLException {
return 0;
}
public int getJDBCMajorVersion() throws SQLException {
return 0;
}
public int getJDBCMinorVersion() throws SQLException {
return 0;
}
public int getSQLStateType() throws SQLException {
return 0;
}
public boolean locatorsUpdateCopy() throws SQLException {
return false;
}
public boolean supportsStatementPooling() throws SQLException {
return false;
}
public RowIdLifetime getRowIdLifetime() throws SQLException {
return null;
}
public ResultSet getSchemas(String catalog, String schemaPattern) throws SQLException {
return null;
}
public boolean supportsStoredFunctionsUsingCallSyntax() throws SQLException {
return false;
}
public boolean autoCommitFailureClosesAllResultSets() throws SQLException {
return false;
}
public ResultSet getClientInfoProperties() throws SQLException {
return getEmptyResultSet();
}
public ResultSet getFunctions(String catalog, String schemaPattern, String functionNamePattern)
throws SQLException {
return getEmptyResultSet();
}
public ResultSet getFunctionColumns(String catalog, String schemaPattern, String functionNamePattern,
String columnNamePattern) throws SQLException {
return getEmptyResultSet();
}
public ResultSet getPseudoColumns(String catalog, String schemaPattern, String tableNamePattern,
String columnNamePattern) throws SQLException {
return getEmptyResultSet();
}
public boolean generatedKeyAlwaysReturned() throws SQLException {
return false;
}
private ResultSet getEmptyResultSet() {
return new EmptyResultSet();
}
}
\ No newline at end of file
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