| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.internal.jdbc2; |
| |
| import java.sql.Connection; |
| import java.sql.DatabaseMetaData; |
| import java.sql.ResultSet; |
| import java.sql.RowIdLifetime; |
| import java.sql.SQLException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteCache; |
| import org.apache.ignite.internal.IgniteVersionUtils; |
| import org.apache.ignite.internal.processors.cache.IgniteCacheProxy; |
| import org.apache.ignite.internal.processors.cache.query.GridCacheSqlIndexMetadata; |
| import org.apache.ignite.internal.processors.cache.query.GridCacheSqlMetadata; |
| import org.apache.ignite.internal.processors.odbc.SqlStateCode; |
| import org.apache.ignite.internal.util.typedef.F; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.lang.IgniteCallable; |
| import org.apache.ignite.resources.IgniteInstanceResource; |
| |
| import static java.sql.Connection.TRANSACTION_NONE; |
| import static java.sql.ResultSet.CONCUR_READ_ONLY; |
| import static java.sql.ResultSet.HOLD_CURSORS_OVER_COMMIT; |
| import static java.sql.RowIdLifetime.ROWID_UNSUPPORTED; |
| import static org.apache.ignite.internal.jdbc2.JdbcUtils.convertToSqlException; |
| |
| /** |
| * JDBC database metadata implementation. |
| */ |
| public class JdbcDatabaseMetadata implements DatabaseMetaData { |
| /** Driver name. */ |
| public static final String DRIVER_NAME = "Apache Ignite JDBC Driver"; |
| |
| /** Connection. */ |
| private final JdbcConnection conn; |
| |
| /** Metadata. */ |
| private Map<String, Map<String, Map<String, ColumnInfo>>> meta; |
| |
| /** Index info. */ |
| private Collection<List<Object>> indexes; |
| |
| /** |
| * @param conn Connection. |
| */ |
| JdbcDatabaseMetadata(JdbcConnection conn) { |
| this.conn = conn; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean allProceduresAreCallable() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean allTablesAreSelectable() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getURL() { |
| return conn.url(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getUserName() { |
| return ""; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isReadOnly() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean nullsAreSortedHigh() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean nullsAreSortedLow() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean nullsAreSortedAtStart() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean nullsAreSortedAtEnd() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getDatabaseProductName() { |
| return "Apache Ignite"; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getDatabaseProductVersion() { |
| return IgniteVersionUtils.VER.toString(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getDatabaseMajorVersion() { |
| return IgniteVersionUtils.VER.major(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getDatabaseMinorVersion() { |
| return IgniteVersionUtils.VER.minor(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getDriverName() { |
| return DRIVER_NAME; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getDriverVersion() { |
| return IgniteVersionUtils.VER.toString(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getDriverMajorVersion() { |
| return IgniteVersionUtils.VER.major(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getDriverMinorVersion() { |
| return IgniteVersionUtils.VER.minor(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean usesLocalFiles() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean usesLocalFilePerTable() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsMixedCaseIdentifiers() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean storesUpperCaseIdentifiers() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean storesLowerCaseIdentifiers() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean storesMixedCaseIdentifiers() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsMixedCaseQuotedIdentifiers() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean storesUpperCaseQuotedIdentifiers() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean storesLowerCaseQuotedIdentifiers() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean storesMixedCaseQuotedIdentifiers() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getIdentifierQuoteString() { |
| return "\""; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getSQLKeywords() { |
| return "LIMIT,MINUS,ROWNUM,SYSDATE,SYSTIME,SYSTIMESTAMP,TODAY"; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getNumericFunctions() { |
| return ""; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getStringFunctions() { |
| return ""; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getSystemFunctions() { |
| return ""; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getTimeDateFunctions() { |
| return ""; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getSearchStringEscape() { |
| return "\\"; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getExtraNameCharacters() { |
| return ""; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsAlterTableWithAddColumn() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsAlterTableWithDropColumn() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsColumnAliasing() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean nullPlusNonNullIsNull() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsConvert() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsConvert(int fromType, int toType) { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsTableCorrelationNames() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsDifferentTableCorrelationNames() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsExpressionsInOrderBy() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsOrderByUnrelated() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsGroupBy() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsGroupByUnrelated() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsGroupByBeyondSelect() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsLikeEscapeClause() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsMultipleResultSets() { |
| return conn.isMultipleStatementsAllowed(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsMultipleTransactions() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsNonNullableColumns() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsMinimumSQLGrammar() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsCoreSQLGrammar() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsExtendedSQLGrammar() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsANSI92EntryLevelSQL() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsANSI92IntermediateSQL() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsANSI92FullSQL() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsIntegrityEnhancementFacility() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsOuterJoins() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsFullOuterJoins() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsLimitedOuterJoins() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getSchemaTerm() { |
| return ""; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getProcedureTerm() { |
| return ""; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getCatalogTerm() { |
| return ""; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isCatalogAtStart() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getCatalogSeparator() { |
| return ""; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsSchemasInDataManipulation() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsSchemasInProcedureCalls() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsSchemasInTableDefinitions() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsSchemasInIndexDefinitions() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsSchemasInPrivilegeDefinitions() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsCatalogsInDataManipulation() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsCatalogsInProcedureCalls() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsCatalogsInTableDefinitions() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsCatalogsInIndexDefinitions() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsCatalogsInPrivilegeDefinitions() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsPositionedDelete() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsPositionedUpdate() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsSelectForUpdate() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsStoredProcedures() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsSubqueriesInComparisons() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsSubqueriesInExists() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsSubqueriesInIns() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsSubqueriesInQuantifieds() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsCorrelatedSubqueries() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsUnion() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsUnionAll() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsOpenCursorsAcrossCommit() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsOpenCursorsAcrossRollback() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsOpenStatementsAcrossCommit() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsOpenStatementsAcrossRollback() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxBinaryLiteralLength() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxCharLiteralLength() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxColumnNameLength() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxColumnsInGroupBy() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxColumnsInIndex() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxColumnsInOrderBy() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxColumnsInSelect() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxColumnsInTable() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxConnections() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxCursorNameLength() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxIndexLength() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxSchemaNameLength() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxProcedureNameLength() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxCatalogNameLength() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxRowSize() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean doesMaxRowSizeIncludeBlobs() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxStatementLength() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxStatements() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxTableNameLength() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxTablesInSelect() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMaxUserNameLength() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getDefaultTransactionIsolation() { |
| return TRANSACTION_NONE; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsTransactions() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsTransactionIsolationLevel(int level) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsDataDefinitionAndDataManipulationTransactions() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsDataManipulationTransactionsOnly() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean dataDefinitionCausesTransactionCommit() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean dataDefinitionIgnoredInTransactions() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getProcedures(String catalog, String schemaPtrn, |
| String procedureNamePtrn) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Arrays.asList("PROCEDURE_CAT", "PROCEDURE_SCHEM", "PROCEDURE_NAME", |
| "REMARKS", "PROCEDURE_TYPE", "SPECIFIC_NAME"), |
| Arrays.asList(String.class.getName(), String.class.getName(), String.class.getName(), |
| String.class.getName(), Short.class.getName(), String.class.getName()), |
| Collections.<List<?>>emptyList(), true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getProcedureColumns(String catalog, String schemaPtrn, String procedureNamePtrn, |
| String colNamePtrn) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Arrays.asList("PROCEDURE_CAT", "PROCEDURE_SCHEM", "PROCEDURE_NAME", |
| "COLUMN_NAME", "COLUMN_TYPE", "DATA_TYPE", "TYPE_NAME", "PRECISION", |
| "LENGTH", "SCALE", "RADIX", "NULLABLE", "REMARKS", "COLUMN_DEF", |
| "SQL_DATA_TYPE", "SQL_DATETIME_SUB", "CHAR_OCTET_LENGTH", |
| "ORDINAL_POSITION", "IS_NULLABLE", "SPECIFIC_NAME"), |
| Arrays.asList(String.class.getName(), String.class.getName(), String.class.getName(), |
| String.class.getName(), Short.class.getName(), Integer.class.getName(), String.class.getName(), |
| Integer.class.getName(), Integer.class.getName(), Short.class.getName(), Short.class.getName(), |
| Short.class.getName(), String.class.getName(), String.class.getName(), Integer.class.getName(), |
| Integer.class.getName(), Integer.class.getName(), Integer.class.getName(), String.class.getName(), |
| String.class.getName()), |
| Collections.<List<?>>emptyList(), true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getTables(String catalog, String schemaPtrn, String tblNamePtrn, |
| String[] tblTypes) throws SQLException { |
| updateMetaData(); |
| |
| List<List<?>> rows = new LinkedList<>(); |
| |
| if (validCatalogPattern(catalog) && (tblTypes == null || Arrays.asList(tblTypes).contains("TABLE"))) { |
| for (Map.Entry<String, Map<String, Map<String, ColumnInfo>>> schema : meta.entrySet()) { |
| if (matches(schema.getKey(), schemaPtrn)) { |
| for (String tbl : schema.getValue().keySet()) { |
| if (matches(tbl, tblNamePtrn)) |
| rows.add(tableRow(schema.getKey(), tbl)); |
| } |
| } |
| } |
| } |
| |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Arrays.asList("TABLE_CAT", "TABLE_SCHEM", "TABLE_NAME", "TABLE_TYPE", "REMARKS", "TYPE_CAT", |
| "TYPE_SCHEM", "TYPE_NAME", "SELF_REFERENCING_COL_NAME", "REF_GENERATION"), |
| Arrays.asList(String.class.getName(), String.class.getName(), String.class.getName(), |
| String.class.getName(), String.class.getName(), String.class.getName(), String.class.getName(), |
| String.class.getName(), String.class.getName(), String.class.getName()), |
| rows, true |
| ); |
| } |
| |
| /** |
| * @param schema Schema name. |
| * @param tbl Table name. |
| * @return Table metadata row. |
| */ |
| private List<Object> tableRow(String schema, String tbl) { |
| List<Object> row = new ArrayList<>(10); |
| |
| row.add(null); |
| row.add(schema); |
| row.add(tbl.toUpperCase()); |
| row.add("TABLE"); |
| row.add(null); |
| row.add(null); |
| row.add(null); |
| row.add(null); |
| row.add(null); |
| row.add(null); |
| |
| return row; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getSchemas() throws SQLException { |
| return getSchemas(null, "%"); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getCatalogs() throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.singletonList("TABLE_CAT"), |
| Collections.singletonList(String.class.getName()), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getTableTypes() throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.singletonList("TABLE_TYPE"), |
| Collections.singletonList(String.class.getName()), |
| Collections.<List<?>>singletonList(Collections.singletonList("TABLE")), |
| true); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getColumns(String catalog, String schemaPtrn, String tblNamePtrn, |
| String colNamePtrn) throws SQLException { |
| updateMetaData(); |
| |
| List<List<?>> rows = new LinkedList<>(); |
| |
| int cnt = 0; |
| |
| if (validCatalogPattern(catalog)) { |
| for (Map.Entry<String, Map<String, Map<String, ColumnInfo>>> schema : meta.entrySet()) { |
| if (matches(schema.getKey(), schemaPtrn)) { |
| for (Map.Entry<String, Map<String, ColumnInfo>> tbl : schema.getValue().entrySet()) { |
| if (matches(tbl.getKey(), tblNamePtrn)) { |
| for (Map.Entry<String, ColumnInfo> col : tbl.getValue().entrySet()) { |
| rows.add(columnRow(schema.getKey(), tbl.getKey(), col.getKey(), |
| JdbcUtils.type(col.getValue().typeName()), JdbcUtils.typeName(col.getValue().typeName()), |
| !col.getValue().isNotNull(), ++cnt)); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Arrays.asList( |
| "TABLE_CAT", // 1 |
| "TABLE_SCHEM", // 2 |
| "TABLE_NAME", // 3 |
| "COLUMN_NAME", // 4 |
| "DATA_TYPE", // 5 |
| "TYPE_NAME", // 6 |
| "COLUMN_SIZE", // 7 |
| "BUFFER_LENGTH", // 8 |
| "DECIMAL_DIGITS", // 9 |
| "NUM_PREC_RADIX", // 10 |
| "NULLABLE", // 11 |
| "REMARKS", // 12 |
| "COLUMN_DEF", // 13 |
| "SQL_DATA_TYPE", // 14 |
| "SQL_DATETIME_SUB", // 15 |
| "CHAR_OCTET_LENGTH", // 16 |
| "ORDINAL_POSITION", // 17 |
| "IS_NULLABLE", // 18 |
| "SCOPE_CATLOG", // 19 |
| "SCOPE_SCHEMA", // 20 |
| "SCOPE_TABLE", // 21 |
| "SOURCE_DATA_TYPE", // 22 |
| "IS_AUTOINCREMENT", // 23 |
| "IS_GENERATEDCOLUMN"), // 23 |
| Arrays.asList( |
| String.class.getName(), // 1 |
| String.class.getName(), // 2 |
| String.class.getName(), // 3 |
| String.class.getName(), // 4 |
| Integer.class.getName(), // 5 |
| String.class.getName(), // 6 |
| Integer.class.getName(), // 7 |
| Integer.class.getName(), // 8 |
| Integer.class.getName(), // 9 |
| Integer.class.getName(), // 10 |
| Integer.class.getName(), // 11 |
| String.class.getName(), // 12 |
| String.class.getName(), // 13 |
| Integer.class.getName(), // 14 |
| Integer.class.getName(), // 15 |
| Integer.class.getName(), // 16 |
| Integer.class.getName(), // 17 |
| String.class.getName(), // 18 |
| String.class.getName(), // 19 |
| String.class.getName(), // 20 |
| String.class.getName(), // 21 |
| Short.class.getName(), // 22 |
| String.class.getName(), // 23 |
| String.class.getName()), // 24 |
| rows, true |
| ); |
| } |
| |
| /** |
| * @param schema Schema name. |
| * @param tbl Table name. |
| * @param col Column name. |
| * @param type Type. |
| * @param typeName Type name. |
| * @param nullable Nullable flag. |
| * @param pos Ordinal position. |
| * @return Column metadata row. |
| */ |
| private List<Object> columnRow(String schema, String tbl, String col, int type, String typeName, |
| boolean nullable, int pos) { |
| List<Object> row = new ArrayList<>(20); |
| |
| row.add(null); // 1. TABLE_CAT |
| row.add(schema); // 2. TABLE_SCHEM |
| row.add(tbl); // 3. TABLE_NAME |
| row.add(col); // 4. COLUMN_NAME |
| row.add(type); // 5. DATA_TYPE |
| row.add(typeName); // 6. TYPE_NAME |
| row.add(null); // 7. COLUMN_SIZE |
| row.add(null); // 8. BUFFER_LENGTH |
| row.add(null); // 9. DECIMAL_DIGITS |
| row.add(10); // 10. NUM_PREC_RADIX |
| row.add(nullable ? columnNullable : columnNoNulls); // 11. NULLABLE |
| row.add(null); // 12. REMARKS |
| row.add(null); // 13. COLUMN_DEF |
| row.add(type); // 14. SQL_DATA_TYPE |
| row.add(null); // 15. SQL_DATETIME_SUB |
| row.add(Integer.MAX_VALUE); // 16. CHAR_OCTET_LENGTH |
| row.add(pos); // 17. ORDINAL_POSITION |
| row.add(nullable ? "YES" : "NO"); // 18. IS_NULLABLE |
| row.add(null); // 19. SCOPE_CATALOG |
| row.add(null); // 20. SCOPE_SCHEMA |
| row.add(null); // 21. SCOPE_TABLE |
| row.add(null); // 22. SOURCE_DATA_TYPE |
| row.add("NO"); // 23. IS_AUTOINCREMENT |
| row.add("NO"); // 24. IS_GENERATEDCOLUMN |
| |
| return row; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getColumnPrivileges(String catalog, String schema, String tbl, |
| String colNamePtrn) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getTablePrivileges(String catalog, String schemaPtrn, |
| String tblNamePtrn) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getBestRowIdentifier(String catalog, String schema, String tbl, int scope, |
| boolean nullable) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getVersionColumns(String catalog, String schema, String tbl) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getPrimaryKeys(String catalog, String schemaPtrn, String tblNamePtrn) |
| throws SQLException { |
| updateMetaData(); |
| |
| List<List<?>> rows = new LinkedList<>(); |
| |
| if (validCatalogPattern(catalog)) { |
| for (Map.Entry<String, Map<String, Map<String, ColumnInfo>>> schema : meta.entrySet()) { |
| if (matches(schema.getKey(), schemaPtrn)) { |
| for (Map.Entry<String, Map<String, ColumnInfo>> tbl : schema.getValue().entrySet()) { |
| if (matches(tbl.getKey(), tblNamePtrn)) |
| rows.add(Arrays.<Object>asList(null, schema.getKey(), tbl.getKey(), "_KEY", 1, "_KEY")); |
| } |
| } |
| } |
| } |
| |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Arrays.asList("TABLE_CAT", "TABLE_SCHEM", "TABLE_NAME", "COLUMN_NAME", "KEY_SEQ", "PK_NAME"), |
| Arrays.asList(String.class.getName(), String.class.getName(), String.class.getName(), |
| String.class.getName(), Short.class.getName(), String.class.getName()), |
| rows, true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getImportedKeys(String catalog, String schema, String tbl) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getExportedKeys(String catalog, String schema, String tbl) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getCrossReference(String parentCatalog, String parentSchema, String parentTbl, |
| String foreignCatalog, String foreignSchema, String foreignTbl) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getTypeInfo() throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getIndexInfo(String catalog, String schema, String tbl, boolean unique, |
| boolean approximate) throws SQLException { |
| updateMetaData(); |
| |
| List<List<?>> rows = new ArrayList<>(indexes.size()); |
| |
| if (validCatalogPattern(catalog)) { |
| for (List<Object> idx : indexes) { |
| String idxSchema = (String)idx.get(0); |
| String idxTbl = (String)idx.get(1); |
| |
| if ((schema == null || schema.equals(idxSchema)) && (tbl == null || tbl.equals(idxTbl))) { |
| List<Object> row = new ArrayList<>(13); |
| |
| row.add(null); |
| row.add(idxSchema); |
| row.add(idxTbl); |
| row.add(idx.get(2)); |
| row.add(null); |
| row.add(idx.get(3)); |
| row.add((int)tableIndexOther); |
| row.add(idx.get(4)); |
| row.add(idx.get(5)); |
| row.add((Boolean)idx.get(6) ? "D" : "A"); |
| row.add(0); |
| row.add(0); |
| row.add(null); |
| |
| rows.add(row); |
| } |
| } |
| } |
| |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Arrays.asList("TABLE_CAT", "TABLE_SCHEM", "TABLE_NAME", "NON_UNIQUE", "INDEX_QUALIFIER", |
| "INDEX_NAME", "TYPE", "ORDINAL_POSITION", "COLUMN_NAME", "ASC_OR_DESC", "CARDINALITY", |
| "PAGES", "FILTER_CONDITION"), |
| Arrays.asList(String.class.getName(), String.class.getName(), String.class.getName(), |
| Boolean.class.getName(), String.class.getName(), String.class.getName(), Short.class.getName(), |
| Short.class.getName(), String.class.getName(), String.class.getName(), Integer.class.getName(), |
| Integer.class.getName(), String.class.getName()), |
| rows, true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsResultSetType(int type) { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsResultSetConcurrency(int type, int concurrency) { |
| return concurrency == CONCUR_READ_ONLY; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean ownUpdatesAreVisible(int type) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean ownDeletesAreVisible(int type) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean ownInsertsAreVisible(int type) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean othersUpdatesAreVisible(int type) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean othersDeletesAreVisible(int type) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean othersInsertsAreVisible(int type) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean updatesAreDetected(int type) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean deletesAreDetected(int type) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean insertsAreDetected(int type) { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsBatchUpdates() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getUDTs(String catalog, String schemaPtrn, String typeNamePtrn, |
| int[] types) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Connection getConnection() { |
| return conn; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsSavepoints() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsNamedParameters() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsMultipleOpenResults() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsGetGeneratedKeys() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getSuperTypes(String catalog, String schemaPtrn, |
| String typeNamePtrn) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getSuperTables(String catalog, String schemaPtrn, |
| String tblNamePtrn) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getAttributes(String catalog, String schemaPtrn, String typeNamePtrn, |
| String attributeNamePtrn) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsResultSetHoldability(int holdability) { |
| return holdability == HOLD_CURSORS_OVER_COMMIT; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getResultSetHoldability() { |
| return HOLD_CURSORS_OVER_COMMIT; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getJDBCMajorVersion() { |
| return 4; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getJDBCMinorVersion() { |
| return 1; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getSQLStateType() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean locatorsUpdateCopy() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsStatementPooling() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public RowIdLifetime getRowIdLifetime() { |
| return ROWID_UNSUPPORTED; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getSchemas(String catalog, String schemaPtrn) throws SQLException { |
| updateMetaData(); |
| |
| List<List<?>> rows = new ArrayList<>(meta.size()); |
| |
| if (validCatalogPattern(catalog)) { |
| for (String schema : meta.keySet()) { |
| if (matches(schema, schemaPtrn)) |
| rows.add(Arrays.<Object>asList(schema, null)); |
| } |
| } |
| |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Arrays.asList("TABLE_SCHEM", "TABLE_CATALOG"), |
| Arrays.asList(String.class.getName(), String.class.getName()), |
| rows, true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean supportsStoredFunctionsUsingCallSyntax() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean autoCommitFailureClosesAllResultSets() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean generatedKeyAlwaysReturned() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getClientInfoProperties() throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getFunctions(String catalog, String schemaPtrn, |
| String functionNamePtrn) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Arrays.asList("FUNCTION_CAT", "FUNCTION_SCHEM", "FUNCTION_NAME", |
| "REMARKS", "FUNCTION_TYPE", "SPECIFIC_NAME"), |
| Arrays.asList(String.class.getName(), String.class.getName(), String.class.getName(), |
| String.class.getName(), Short.class.getName(), String.class.getName()), |
| Collections.<List<?>>emptyList(), true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getFunctionColumns(String catalog, String schemaPtrn, String functionNamePtrn, |
| String colNamePtrn) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Arrays.asList("FUNCTION_CAT", "FUNCTION_SCHEM", "FUNCTION_NAME", |
| "COLUMN_NAME", "COLUMN_TYPE", "DATA_TYPE", "TYPE_NAME", "PRECISION", |
| "LENGTH", "SCALE", "RADIX", "NULLABLE", "REMARKS", "CHAR_OCTET_LENGTH", |
| "ORDINAL_POSITION", "IS_NULLABLE", "SPECIFIC_NAME"), |
| Arrays.asList(String.class.getName(), String.class.getName(), String.class.getName(), |
| String.class.getName(), Short.class.getName(), Integer.class.getName(), String.class.getName(), |
| Integer.class.getName(), Integer.class.getName(), Short.class.getName(), Short.class.getName(), |
| Short.class.getName(), String.class.getName(), Integer.class.getName(), Integer.class.getName(), |
| String.class.getName(), String.class.getName()), |
| Collections.<List<?>>emptyList(), true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ResultSet getPseudoColumns(String catalog, String schemaPtrn, String tblNamePtrn, |
| String colNamePtrn) throws SQLException { |
| return new JdbcResultSet(true, null, |
| conn.createStatement0(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList(), |
| Collections.<List<?>>emptyList(), |
| true |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @SuppressWarnings("unchecked") |
| @Override public <T> T unwrap(Class<T> iface) throws SQLException { |
| if (!isWrapperFor(iface)) |
| throw new SQLException("Database meta data is not a wrapper for " + iface.getName()); |
| |
| return (T)this; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isWrapperFor(Class<?> iface) { |
| return iface != null && iface == DatabaseMetaData.class; |
| } |
| |
| /** |
| * Updates meta data. |
| * |
| * @throws SQLException In case of error. |
| */ |
| @SuppressWarnings("unchecked") |
| private void updateMetaData() throws SQLException { |
| if (conn.isClosed()) |
| throw new SQLException("Connection is closed.", SqlStateCode.CONNECTION_CLOSED); |
| |
| try { |
| Ignite ignite = conn.ignite(); |
| |
| UUID nodeId = conn.nodeId(); |
| |
| Collection<GridCacheSqlMetadata> metas; |
| |
| UpdateMetadataTask task = new UpdateMetadataTask(conn.cacheName(), nodeId == null ? ignite : null); |
| |
| metas = nodeId == null ? task.call() : ignite.compute(ignite.cluster().forNodeId(nodeId)).call(task); |
| |
| meta = U.newHashMap(metas.size()); |
| |
| indexes = new ArrayList<>(); |
| |
| for (GridCacheSqlMetadata m : metas) { |
| String name = m.cacheName(); |
| |
| if (name == null) |
| name = "PUBLIC"; |
| |
| Collection<String> types = m.types(); |
| |
| Map<String, Map<String, ColumnInfo>> typesMap = U.newHashMap(types.size()); |
| |
| for (String type : types) { |
| Collection<String> notNullFields = m.notNullFields(type); |
| |
| Map<String, ColumnInfo> fields = new LinkedHashMap<>(); |
| |
| for (Map.Entry<String, String> fld : m.fields(type).entrySet()) { |
| ColumnInfo colInfo = new ColumnInfo(fld.getValue(), |
| notNullFields == null ? false : notNullFields.contains(fld.getKey())); |
| |
| fields.put(fld.getKey(), colInfo); |
| } |
| |
| typesMap.put(type.toUpperCase(), fields); |
| |
| for (GridCacheSqlIndexMetadata idx : m.indexes(type)) { |
| int cnt = 0; |
| |
| for (String field : idx.fields()) { |
| indexes.add(F.<Object>asList(name, type.toUpperCase(), !idx.unique(), |
| idx.name(), ++cnt, field, idx.descending(field))); |
| } |
| } |
| } |
| |
| meta.put(name, typesMap); |
| } |
| } |
| catch (Exception e) { |
| throw convertToSqlException(e, "Failed to get meta data from Ignite."); |
| } |
| } |
| |
| /** |
| * Checks whether string matches SQL pattern. |
| * |
| * @param str String. |
| * @param ptrn Pattern. |
| * @return Whether string matches pattern. |
| */ |
| private static boolean matches(String str, String ptrn) { |
| return str != null && (ptrn == null || |
| str.matches(ptrn.replace("%", ".*").replace("_", "."))); |
| } |
| |
| /** |
| * Checks whether pattern matches any catalog. |
| * |
| * @param catalog Catalog pattern. |
| * @return {@code true} If patter is valid for Ignite (null, empty, or '%' wildcard). |
| * Otherwise returns {@code false}. |
| */ |
| private static boolean validCatalogPattern(String catalog) { |
| return F.isEmpty(catalog) || "%".equals(catalog); |
| } |
| |
| /** |
| * |
| */ |
| private static class UpdateMetadataTask implements IgniteCallable<Collection<GridCacheSqlMetadata>> { |
| /** Serial version uid. */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Ignite. */ |
| @IgniteInstanceResource |
| private Ignite ignite; |
| |
| /** Cache name. */ |
| private final String cacheName; |
| |
| /** |
| * @param cacheName Cache name. |
| * @param ignite Ignite. |
| */ |
| public UpdateMetadataTask(String cacheName, Ignite ignite) { |
| this.cacheName = cacheName; |
| this.ignite = ignite; |
| } |
| |
| /** {@inheritDoc} */ |
| @SuppressWarnings("unchecked") |
| @Override public Collection<GridCacheSqlMetadata> call() throws Exception { |
| IgniteCache cache = ignite.cache(cacheName); |
| |
| return ((IgniteCacheProxy)cache).context().queries().sqlMetadataV2(); |
| } |
| } |
| |
| /** |
| * Column info. |
| */ |
| private static class ColumnInfo { |
| /** Class name. */ |
| private final String typeName; |
| |
| /** Not null flag. */ |
| private final boolean notNull; |
| |
| /** |
| * @param typeName Type name. |
| * @param notNull Not null flag. |
| */ |
| private ColumnInfo(String typeName, boolean notNull) { |
| this.typeName = typeName; |
| this.notNull = notNull; |
| } |
| |
| /** |
| * @return Type name. |
| */ |
| public String typeName() { |
| return typeName; |
| } |
| |
| /** |
| * @return Not null flag. |
| */ |
| public boolean isNotNull() { |
| return notNull; |
| } |
| } |
| } |