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This project is a type 4 jdbc driver which implemented the standard jdbc interface. It supports connectivity to tigergraph server and varieties of query types.
package com.tigergraph.jdbc.common;
import java.io.InputStream;
import java.sql.ResultSet;
import java.sql.RowIdLifetime;
import java.sql.SQLException;
import java.util.Properties;
public class DatabaseMetaData implements java.sql.DatabaseMetaData {
private String driverName;
private String driverVersion;
private Connection connection;
private static final String JDBCVersion = "4.0";
/**
* Default constructor.
*/
public DatabaseMetaData(Connection connection) {
this.connection = connection;
/**
* Get driver name and version.
*/
try (InputStream stream =
DatabaseMetaData.class.getResourceAsStream("/tg-jdbc-driver.properties")) {
Properties properties = new Properties();
properties.load(stream);
this.driverName = properties.getProperty("driver.name");
this.driverVersion = properties.getProperty("driver.version");
} catch (Exception e) {
this.driverName = "TigerGraph JDBC Driver";
this.driverVersion = "Unknown";
throw new RuntimeException(e);
}
}
/**
* Methods with default implementation.
*/
@Override public java.sql.Connection getConnection() throws SQLException {
return this.connection;
}
@Override public String getDriverName() throws SQLException {
return this.driverName;
}
@Override public String getDriverVersion() throws SQLException {
return this.driverVersion;
}
@Override public String getDatabaseProductName() throws SQLException {
return "TigerGraph";
}
@Override public String getURL() throws SQLException {
return this.connection.getUrl();
}
@Override public boolean supportsTransactions() throws SQLException {
return Boolean.TRUE;
}
@Override public boolean supportsTransactionIsolationLevel(int level) throws SQLException {
return (level < 2);
}
@Override public int getDefaultTransactionIsolation() throws SQLException {
return 1;
}
@Override public int getJDBCMajorVersion() throws SQLException {
return Integer.parseInt(JDBCVersion.split("\\.", 2)[0]);
}
@Override public int getJDBCMinorVersion() throws SQLException {
return Integer.parseInt(JDBCVersion.split("\\.", 2)[1]);
}
@Override public String getDatabaseProductVersion() throws SQLException {
return String.valueOf(connection.getProperties().getOrDefault("version", "3.5"));
}
@Override public String getIdentifierQuoteString() throws SQLException {
return " ";
}
@Override public String getCatalogSeparator() throws SQLException {
return "";
}
/**
* Methods not implemented yet.
*/
@Override public ResultSet getSchemas() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getCatalogs() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getTableTypes() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getProcedures(String catalog, String schemaPattern,
String procedureNamePattern) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getTables(String catalog, String schemaPattern,
String tableNamePattern, String[] types) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getColumns(String catalog, String schemaPattern,
String tableNamePattern, String columnNamePattern) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean usesLocalFiles() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean usesLocalFilePerTable() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public String getSystemFunctions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsAlterTableWithAddColumn() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsAlterTableWithDropColumn() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsColumnAliasing() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean nullPlusNonNullIsNull() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsConvert() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsConvert(int fromType, int toType) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsTableCorrelationNames() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsDifferentTableCorrelationNames() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsExpressionsInOrderBy() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsOrderByUnrelated() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsGroupBy() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsGroupByUnrelated() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsGroupByBeyondSelect() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsLikeEscapeClause() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsMultipleTransactions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsNonNullableColumns() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsMinimumSQLGrammar() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsCoreSQLGrammar() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsExtendedSQLGrammar() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsANSI92EntryLevelSQL() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsANSI92IntermediateSQL() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsANSI92FullSQL() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsIntegrityEnhancementFacility() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsOuterJoins() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsFullOuterJoins() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsLimitedOuterJoins() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public String getSchemaTerm() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public String getProcedureTerm() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean isCatalogAtStart() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsSchemasInProcedureCalls() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsSchemasInIndexDefinitions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsSchemasInPrivilegeDefinitions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsCatalogsInIndexDefinitions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsCatalogsInPrivilegeDefinitions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsPositionedDelete() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsPositionedUpdate() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsSubqueriesInComparisons() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsSubqueriesInExists() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsSubqueriesInIns() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsSubqueriesInQuantifieds() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsCorrelatedSubqueries() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsUnion() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsUnionAll() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsOpenCursorsAcrossCommit() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsOpenCursorsAcrossRollback() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsOpenStatementsAcrossCommit() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsOpenStatementsAcrossRollback() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxBinaryLiteralLength() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxCharLiteralLength() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxColumnNameLength() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxColumnsInGroupBy() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxColumnsInIndex() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxColumnsInOrderBy() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxColumnsInSelect() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxColumnsInTable() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxCursorNameLength() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxIndexLength() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxSchemaNameLength() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxProcedureNameLength() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxCatalogNameLength() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxRowSize() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean doesMaxRowSizeIncludeBlobs() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxStatementLength() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxTableNameLength() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxTablesInSelect() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxUserNameLength() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsDataDefinitionAndDataManipulationTransactions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsDataManipulationTransactionsOnly() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean dataDefinitionCausesTransactionCommit() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean dataDefinitionIgnoredInTransactions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getProcedureColumns(String catalog, String schemaPattern,
String procedureNamePattern, String columnNamePattern)
throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getColumnPrivileges(String catalog, String schema,
String table, String columnNamePattern) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getTablePrivileges(String catalog, String schemaPattern,
String tableNamePattern) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getBestRowIdentifier(String catalog, String schema,
String table, int scope, boolean nullable) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getVersionColumns(String catalog, String schema,
String table) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getPrimaryKeys(String catalog, String schema,
String table) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getImportedKeys(String catalog, String schema,
String table) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getExportedKeys(String catalog, String schema,
String table) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getCrossReference(String parentCatalog,
String parentSchema, String parentTable, String foreignCatalog, String foreignSchema,
String foreignTable) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getTypeInfo() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getIndexInfo(String catalog, String schema,
String table, boolean unique, boolean approximate) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsResultSetType(int type) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsResultSetConcurrency(int type,
int concurrency) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean ownUpdatesAreVisible(int type) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean ownDeletesAreVisible(int type) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean ownInsertsAreVisible(int type) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean othersUpdatesAreVisible(int type) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean othersDeletesAreVisible(int type) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean othersInsertsAreVisible(int type) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean updatesAreDetected(int type) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean deletesAreDetected(int type) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean insertsAreDetected(int type) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsBatchUpdates() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getUDTs(String catalog, String schemaPattern,
String typeNamePattern, int[] types) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsSavepoints() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsNamedParameters() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsMultipleOpenResults() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsGetGeneratedKeys() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getSuperTypes(String catalog, String schemaPattern,
String typeNamePattern) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getSuperTables(String catalog, String schemaPattern,
String tableNamePattern) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getAttributes(String catalog, String schemaPattern,
String typeNamePattern, String attributeNamePattern) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsResultSetHoldability(int holdability) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getResultSetHoldability() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getSQLStateType() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean locatorsUpdateCopy() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsStatementPooling() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public RowIdLifetime getRowIdLifetime() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getSchemas(String catalog, String schemaPattern) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsStoredFunctionsUsingCallSyntax() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean autoCommitFailureClosesAllResultSets() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getClientInfoProperties() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getFunctions(String catalog, String schemaPattern,
String functionNamePattern) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getFunctionColumns(String catalog, String schemaPattern,
String functionNamePattern, String columnNamePattern)
throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public ResultSet getPseudoColumns(String catalog, String schemaPattern,
String tableNamePattern, String columnNamePattern) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean generatedKeyAlwaysReturned() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
public T unwrap(Class iface) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
public boolean isWrapperFor(Class> iface) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public String getSQLKeywords() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public String getNumericFunctions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public String getStringFunctions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public String getTimeDateFunctions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getDriverMajorVersion() {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getDriverMinorVersion() {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getDatabaseMajorVersion() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getDatabaseMinorVersion() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public String getExtraNameCharacters() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsMultipleResultSets() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public String getCatalogTerm() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsSchemasInDataManipulation() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsSchemasInTableDefinitions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsCatalogsInDataManipulation() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsCatalogsInProcedureCalls() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsCatalogsInTableDefinitions() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public String getSearchStringEscape() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public String getUserName() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean isReadOnly() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsMixedCaseIdentifiers() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean storesUpperCaseIdentifiers() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean storesLowerCaseIdentifiers() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean storesMixedCaseIdentifiers() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsMixedCaseQuotedIdentifiers() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean storesUpperCaseQuotedIdentifiers() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean storesLowerCaseQuotedIdentifiers() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean storesMixedCaseQuotedIdentifiers() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsSelectForUpdate() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean supportsStoredProcedures() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxStatements() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public int getMaxConnections() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean allProceduresAreCallable() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean allTablesAreSelectable() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean nullsAreSortedHigh() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean nullsAreSortedLow() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean nullsAreSortedAtStart() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override public boolean nullsAreSortedAtEnd() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
}
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