| /* |
| * 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.phoenix.end2end.index; |
| |
| import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.util.Properties; |
| |
| import org.apache.phoenix.end2end.ParallelStatsDisabledIT; |
| import org.apache.phoenix.jdbc.PhoenixConnection; |
| import org.apache.phoenix.query.QueryServices; |
| import org.apache.phoenix.schema.PTableKey; |
| import org.apache.phoenix.util.PropertiesUtil; |
| import org.apache.phoenix.util.QueryUtil; |
| import org.apache.phoenix.util.SchemaUtil; |
| import org.apache.phoenix.util.TestUtil; |
| import org.junit.Test; |
| |
| |
| public class SaltedIndexIT extends ParallelStatsDisabledIT { |
| private static final int TABLE_SPLITS = 3; |
| private static final int INDEX_SPLITS = 4; |
| |
| private static Connection getConnection() throws SQLException { |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| props.setProperty(QueryServices.INDEX_MUTATE_BATCH_SIZE_THRESHOLD_ATTRIB, Integer.toString(1)); |
| Connection conn = DriverManager.getConnection(getUrl(), props); |
| return conn; |
| } |
| |
| private static void makeImmutableAndDeleteData(String tableName, String fullTableName) throws Exception { |
| Connection conn = getConnection(); |
| try { |
| conn.setAutoCommit(true); |
| conn.createStatement().execute("DELETE FROM " + fullTableName); |
| conn.createStatement().execute("ALTER TABLE " + fullTableName + " SET IMMUTABLE_ROWS=true"); |
| conn.createStatement().executeQuery("SELECT COUNT(*) FROM " + fullTableName).next(); |
| PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class); |
| assertTrue(pconn.getTable(new PTableKey(pconn.getTenantId(), fullTableName)).isImmutableRows()); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| // @Test Disabled. this test flaps -- enable when PHOENIX-5346 is fixed |
| public void testMutableTableIndexMaintanenceSaltedSalted() throws Exception { |
| String tableName = "TBL_" + generateUniqueName(); |
| String indexName = "IND_" + generateUniqueName(); |
| String fullTableName = SchemaUtil.getTableName(TestUtil.DEFAULT_SCHEMA_NAME, tableName); |
| String fullIndexName = SchemaUtil.getTableName(TestUtil.DEFAULT_SCHEMA_NAME, indexName); |
| testMutableTableIndexMaintanence(tableName, fullTableName, indexName, fullIndexName, TABLE_SPLITS, INDEX_SPLITS); |
| makeImmutableAndDeleteData(tableName, fullTableName); |
| testMutableTableIndexMaintanence(tableName, fullTableName, indexName, fullIndexName, TABLE_SPLITS, INDEX_SPLITS); |
| } |
| |
| @Test |
| public void testMutableTableIndexMaintanenceSalted() throws Exception { |
| String tableName = "TBL_" + generateUniqueName(); |
| String indexName = "IND_" + generateUniqueName(); |
| String fullTableName = SchemaUtil.getTableName(TestUtil.DEFAULT_SCHEMA_NAME, tableName); |
| String fullIndexName = SchemaUtil.getTableName(TestUtil.DEFAULT_SCHEMA_NAME, indexName); |
| testMutableTableIndexMaintanence(tableName, fullTableName, indexName, fullIndexName, null, INDEX_SPLITS); |
| makeImmutableAndDeleteData(tableName, fullTableName); |
| testMutableTableIndexMaintanence(tableName, fullTableName, indexName, fullIndexName, null, INDEX_SPLITS); |
| } |
| |
| @Test |
| public void testMutableTableIndexMaintanenceUnsalted() throws Exception { |
| String tableName = "TBL_" + generateUniqueName(); |
| String indexName = "IND_" + generateUniqueName(); |
| String fullTableName = SchemaUtil.getTableName(TestUtil.DEFAULT_SCHEMA_NAME, tableName); |
| String fullIndexName = SchemaUtil.getTableName(TestUtil.DEFAULT_SCHEMA_NAME, indexName); |
| testMutableTableIndexMaintanence(tableName, fullTableName, indexName, fullIndexName, null, null); |
| makeImmutableAndDeleteData(tableName, fullTableName); |
| testMutableTableIndexMaintanence(tableName, fullTableName, indexName, fullIndexName, null, null); |
| } |
| |
| private void testMutableTableIndexMaintanence(String dataTableName , String dataTableFullName, String indexTableName, String indexTableFullName, Integer tableSaltBuckets, Integer indexSaltBuckets) throws Exception { |
| String query; |
| ResultSet rs; |
| |
| Connection conn = getConnection(); |
| conn.setAutoCommit(false); |
| conn.createStatement().execute("CREATE TABLE IF NOT EXISTS " + dataTableFullName + " (k VARCHAR NOT NULL PRIMARY KEY, v VARCHAR) " + (tableSaltBuckets == null ? "" : " SALT_BUCKETS=" + tableSaltBuckets)); |
| query = "SELECT * FROM " + dataTableFullName; |
| rs = conn.createStatement().executeQuery(query); |
| assertFalse(rs.next()); |
| |
| conn.createStatement().execute("CREATE INDEX IF NOT EXISTS " + indexTableName + " ON " + dataTableFullName + " (v DESC)" + (indexSaltBuckets == null ? "" : " SALT_BUCKETS=" + indexSaltBuckets)); |
| query = "SELECT * FROM " + indexTableFullName; |
| rs = conn.createStatement().executeQuery(query); |
| assertFalse(rs.next()); |
| |
| PreparedStatement stmt = conn.prepareStatement("UPSERT INTO " + dataTableFullName + " VALUES(?,?)"); |
| stmt.setString(1,"a"); |
| stmt.setString(2, "x"); |
| stmt.execute(); |
| stmt.setString(1,"b"); |
| stmt.setString(2, "y"); |
| stmt.execute(); |
| conn.commit(); |
| |
| query = "SELECT /*+ SERIAL */ * FROM " + indexTableFullName; |
| rs = conn.createStatement().executeQuery(query); |
| assertTrue(rs.next()); |
| assertEquals("y",rs.getString(1)); |
| assertEquals("b",rs.getString(2)); |
| assertTrue(rs.next()); |
| assertEquals("x",rs.getString(1)); |
| assertEquals("a",rs.getString(2)); |
| assertFalse(rs.next()); |
| |
| query = "SELECT k,v FROM " + dataTableFullName + " WHERE v = 'y'"; |
| rs = conn.createStatement().executeQuery(query); |
| assertTrue(rs.next()); |
| assertEquals("b",rs.getString(1)); |
| assertEquals("y",rs.getString(2)); |
| assertFalse(rs.next()); |
| |
| String expectedPlan; |
| rs = conn.createStatement().executeQuery("EXPLAIN " + query); |
| expectedPlan = indexSaltBuckets == null ? |
| "CLIENT PARALLEL 1-WAY RANGE SCAN OVER " + indexTableFullName + " [~'y']\n" + |
| " SERVER FILTER BY FIRST KEY ONLY" : |
| ("CLIENT PARALLEL 4-WAY RANGE SCAN OVER " + indexTableFullName + " [0,~'y'] - ["+(indexSaltBuckets.intValue()-1)+",~'y']\n" + |
| |
| " SERVER FILTER BY FIRST KEY ONLY\n" + |
| "CLIENT MERGE SORT"); |
| assertEquals(expectedPlan,QueryUtil.getExplainPlan(rs)); |
| |
| // Will use index, so rows returned in DESC order. |
| // This is not a bug, though, because we can |
| // return in any order. |
| query = "SELECT k,v FROM " + dataTableFullName + " WHERE v >= 'x'"; |
| rs = conn.createStatement().executeQuery(query); |
| assertTrue(rs.next()); |
| assertEquals("b",rs.getString(1)); |
| assertEquals("y",rs.getString(2)); |
| assertTrue(rs.next()); |
| assertEquals("a",rs.getString(1)); |
| assertEquals("x",rs.getString(2)); |
| assertFalse(rs.next()); |
| rs = conn.createStatement().executeQuery("EXPLAIN " + query); |
| expectedPlan = indexSaltBuckets == null ? |
| "CLIENT PARALLEL 1-WAY RANGE SCAN OVER " + indexTableFullName + " [*] - [~'x']\n" |
| + " SERVER FILTER BY FIRST KEY ONLY" : |
| ("CLIENT PARALLEL 4-WAY RANGE SCAN OVER " + indexTableFullName + " [0,*] - ["+(indexSaltBuckets.intValue()-1)+",~'x']\n" |
| |
| + " SERVER FILTER BY FIRST KEY ONLY\n" + |
| "CLIENT MERGE SORT"); |
| assertEquals(expectedPlan,QueryUtil.getExplainPlan(rs)); |
| |
| // Use data table, since point lookup trumps order by |
| query = "SELECT k,v FROM " + dataTableFullName + " WHERE k = 'a' ORDER BY v"; |
| rs = conn.createStatement().executeQuery(query); |
| assertTrue(rs.next()); |
| assertEquals("a",rs.getString(1)); |
| assertEquals("x",rs.getString(2)); |
| assertFalse(rs.next()); |
| rs = conn.createStatement().executeQuery("EXPLAIN " + query); |
| expectedPlan = tableSaltBuckets == null ? |
| "CLIENT PARALLEL 1-WAY POINT LOOKUP ON 1 KEY OVER " + dataTableFullName + "\n" + |
| " SERVER SORTED BY [V]\n" + |
| "CLIENT MERGE SORT" : |
| "CLIENT PARALLEL 1-WAY POINT LOOKUP ON 1 KEY OVER " + dataTableFullName + "\n" + |
| " SERVER SORTED BY [V]\n" + |
| "CLIENT MERGE SORT"; |
| String explainPlan2 = QueryUtil.getExplainPlan(rs); |
| assertEquals(expectedPlan,explainPlan2); |
| |
| // Will use data table now, since there's a LIMIT clause and |
| // we're able to optimize out the ORDER BY, unless the data |
| // table is salted. |
| query = "SELECT k,v FROM " + dataTableFullName + " WHERE v >= 'x' ORDER BY k LIMIT 2"; |
| rs = conn.createStatement().executeQuery(query); |
| assertTrue(rs.next()); |
| assertEquals("a",rs.getString(1)); |
| assertEquals("x",rs.getString(2)); |
| assertTrue(rs.next()); |
| assertEquals("b",rs.getString(1)); |
| assertEquals("y",rs.getString(2)); |
| assertFalse(rs.next()); |
| rs = conn.createStatement().executeQuery("EXPLAIN " + query); |
| expectedPlan = tableSaltBuckets == null ? |
| "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + dataTableFullName + "\n" + |
| " SERVER FILTER BY V >= 'x'\n" + |
| " SERVER 2 ROW LIMIT\n" + |
| "CLIENT 2 ROW LIMIT" : |
| "CLIENT PARALLEL 3-WAY FULL SCAN OVER " + dataTableFullName + "\n" + |
| " SERVER FILTER BY V >= 'x'\n" + |
| " SERVER 2 ROW LIMIT\n" + |
| "CLIENT MERGE SORT\n" + |
| "CLIENT 2 ROW LIMIT"; |
| String explainPlan = QueryUtil.getExplainPlan(rs); |
| assertEquals(expectedPlan,explainPlan); |
| } |
| } |