nizhikov commented on code in PR #11584: URL: https://github.com/apache/ignite/pull/11584#discussion_r1801330157
########## modules/calcite/src/test/java/org/apache/ignite/internal/processors/query/calcite/jdbc/JdbcThinTransactionalSelfTest.java: ########## @@ -0,0 +1,295 @@ +/* + * 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.processors.query.calcite.jdbc; + +import java.sql.Connection; +import java.sql.DatabaseMetaData; +import java.sql.DriverManager; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.util.Arrays; +import java.util.List; +import org.apache.ignite.calcite.CalciteQueryEngineConfiguration; +import org.apache.ignite.configuration.IgniteConfiguration; +import org.apache.ignite.internal.util.typedef.F; +import org.apache.ignite.testframework.GridTestUtils; +import org.apache.ignite.testframework.junits.IgniteConfigVariationsAbstractTest.TestRunnable; +import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; +import org.apache.ignite.transactions.TransactionConcurrency; +import org.junit.Test; + +import static java.sql.Connection.TRANSACTION_NONE; +import static java.sql.Connection.TRANSACTION_READ_COMMITTED; +import static java.sql.Connection.TRANSACTION_READ_UNCOMMITTED; +import static java.sql.Connection.TRANSACTION_REPEATABLE_READ; +import static java.sql.Connection.TRANSACTION_SERIALIZABLE; +import static java.sql.ResultSet.CLOSE_CURSORS_AT_COMMIT; +import static java.sql.ResultSet.CONCUR_READ_ONLY; +import static java.sql.ResultSet.HOLD_CURSORS_OVER_COMMIT; +import static java.sql.ResultSet.TYPE_FORWARD_ONLY; +import static org.apache.ignite.testframework.GridTestUtils.assertThrows; + +/** */ +public class JdbcThinTransactionalSelfTest extends GridCommonAbstractTest { + /** URL. */ + private static final String URL = "jdbc:ignite:thin://127.0.0.1"; + + /** {@inheritDoc} */ + @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { + IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); + + cfg.getTransactionConfiguration().setTxAwareQueriesEnabled(true); + cfg.getSqlConfiguration().setQueryEnginesConfiguration(new CalciteQueryEngineConfiguration()); + + return cfg; + } + + /** {@inheritDoc} */ + @Override protected void beforeTestsStarted() throws Exception { + super.beforeTestsStarted(); + + startGrid(); + } + + /** */ + @Test + public void testDatabaseMetadata() throws Exception { + try (Connection conn = DriverManager.getConnection(URL)) { + DatabaseMetaData meta = conn.getMetaData(); + + assertTrue(meta.supportsTransactions()); + assertEquals(TRANSACTION_READ_COMMITTED, meta.getDefaultTransactionIsolation()); + assertTrue(meta.supportsDataManipulationTransactionsOnly()); + + assertTrue(meta.supportsTransactionIsolationLevel(TRANSACTION_NONE)); + assertTrue(meta.supportsTransactionIsolationLevel(TRANSACTION_READ_COMMITTED)); + assertFalse(meta.supportsTransactionIsolationLevel(TRANSACTION_REPEATABLE_READ)); + assertFalse(meta.supportsTransactionIsolationLevel(TRANSACTION_SERIALIZABLE)); + assertFalse(meta.supportsTransactionIsolationLevel(TRANSACTION_READ_UNCOMMITTED)); + } + } + + /** */ + @Test + public void testInvalidHoldability() throws Exception { + try (Connection conn = DriverManager.getConnection(URL)) { + List<TestRunnable> checks = Arrays.asList( + () -> conn.setHoldability(HOLD_CURSORS_OVER_COMMIT), + () -> conn.createStatement(TYPE_FORWARD_ONLY, CONCUR_READ_ONLY, HOLD_CURSORS_OVER_COMMIT), + () -> conn.prepareStatement("SELECT * FROM T", TYPE_FORWARD_ONLY, CONCUR_READ_ONLY, HOLD_CURSORS_OVER_COMMIT) + ); + + assertEquals(CLOSE_CURSORS_AT_COMMIT, conn.getHoldability()); + + for (TestRunnable check : checks) { + assertThrows( + null, + () -> { + check.run(); + return null; + }, + SQLException.class, + "Invalid holdability (can't hold cursor over commit)." + ); + } + } + } + + /** */ + @Test + public void testTransactionConcurrencyProperty() throws Exception { + for (TransactionConcurrency txConcurrency : TransactionConcurrency.values()) { + String url = URL + "?transactionConcurrency=" + txConcurrency; + + try (Connection conn = DriverManager.getConnection(url)) { + conn.setAutoCommit(false); + + try (ResultSet rs = conn.prepareStatement("SELECT 1").executeQuery()) { + assertEquals(1, F.size(grid().context().cache().context().tm().activeTransactions())); + assertEquals(txConcurrency, F.first(grid().context().cache().context().tm().activeTransactions()).concurrency()); + } + } + } + } + + /** */ + @Test + public void testTransactionIsolation() throws Exception { + try (Connection conn = DriverManager.getConnection(URL)) { + assertEquals(TRANSACTION_READ_COMMITTED, conn.getTransactionIsolation()); + + conn.setTransactionIsolation(TRANSACTION_NONE); + + assertEquals(TRANSACTION_NONE, conn.getTransactionIsolation()); + + for (int invalidIsolation : new int[]{TRANSACTION_READ_UNCOMMITTED, TRANSACTION_REPEATABLE_READ, TRANSACTION_SERIALIZABLE}) { + assertThrows( + null, + () -> { + conn.setTransactionIsolation(invalidIsolation); + return null; + }, + SQLException.class, + "Requested isolation level not supported by the server: " + invalidIsolation + ); + } + } + } + + /** */ + @Test + public void testChangeStreamInsideTransactionThrows() throws Exception { + try (Connection conn = DriverManager.getConnection(URL)) { + conn.setAutoCommit(false); + + conn.prepareStatement("SELECT 1").executeQuery(); + + assertThrows( + null, + () -> { + conn.prepareStatement("SET STREAMING ON").executeUpdate(); + return null; + }, + SQLException.class, + "Can't change stream mode inside transaction" + ); + } + } + + /** */ + @Test + public void testNoTxInNoTxIsolation() throws Exception { + try (Connection conn = DriverManager.getConnection(URL)) { + conn.setTransactionIsolation(TRANSACTION_NONE); + + ResultSet rs = conn.prepareStatement("SELECT 1").executeQuery(); Review Comment: fixed -- This is an automated message from the Apache Git Service. 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