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/*
* 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.compile;
import static org.apache.phoenix.coprocessor.BaseScannerRegionObserver.MAX_QUALIFIER;
import static org.apache.phoenix.coprocessor.BaseScannerRegionObserver.MIN_QUALIFIER;
import static org.apache.phoenix.query.QueryConstants.ENCODED_CQ_COUNTER_INITIAL_VALUE;
import static org.apache.phoenix.query.QueryConstants.ENCODED_EMPTY_COLUMN_NAME;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.sql.Array;
import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.Pair;
import org.apache.phoenix.compile.OrderByCompiler.OrderBy;
import org.apache.phoenix.jdbc.PhoenixPreparedStatement;
import org.apache.phoenix.jdbc.PhoenixResultSet;
import org.apache.phoenix.jdbc.PhoenixStatement;
import org.apache.phoenix.query.BaseConnectionlessQueryTest;
import org.apache.phoenix.query.QueryConstants;
import org.apache.phoenix.schema.PColumn;
import org.apache.phoenix.schema.PTableType;
import org.apache.phoenix.util.PhoenixRuntime;
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;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
public class QueryOptimizerTest extends BaseConnectionlessQueryTest {
public static final String SCHEMA_NAME = "";
public static final String DATA_TABLE_NAME = "T";
public static final String INDEX_TABLE_NAME = "I";
public static final String DATA_TABLE_FULL_NAME = SchemaUtil.getTableName(SCHEMA_NAME, "T");
public static final String INDEX_TABLE_FULL_NAME = SchemaUtil.getTableName(SCHEMA_NAME, "I");
public QueryOptimizerTest() {
}
@Test
public void testRVCUsingPkColsReturnedByPlanShouldUseIndex() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE T (k VARCHAR NOT NULL PRIMARY KEY, v1 CHAR(15), v2 VARCHAR)");
conn.createStatement().execute("CREATE INDEX IDX ON T(v1, v2)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
String query = "select * from t where (v1, v2, k) > ('1', '2', '3')";
QueryPlan plan = stmt.optimizeQuery(query);
assertEquals("IDX", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testOrderByOptimizedOut() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE foo (k VARCHAR NOT NULL PRIMARY KEY, v VARCHAR) IMMUTABLE_ROWS=true");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT * FROM foo ORDER BY k");
assertEquals(OrderBy.FWD_ROW_KEY_ORDER_BY,plan.getOrderBy());
}
@Test
public void testOrderByDropped() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
try{
conn.createStatement().execute("CREATE TABLE foo (k VARCHAR NOT NULL PRIMARY KEY, v VARCHAR) IMMUTABLE_ROWS=true");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT * FROM foo ORDER BY 'a','b','c'");
assertTrue(plan.getOrderBy().getOrderByExpressions().isEmpty());
} finally {
conn.close();
}
}
@Test
public void testOrderByNotDropped() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE foo (k VARCHAR NOT NULL PRIMARY KEY, v VARCHAR) IMMUTABLE_ROWS=true");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT * FROM foo ORDER BY v");
assertFalse(plan.getOrderBy().getOrderByExpressions().isEmpty());
}
@Test
public void testOrderByDroppedCompositeKey() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE foo (j INTEGER NOT NULL, k BIGINT NOT NULL, v VARCHAR CONSTRAINT pk PRIMARY KEY (j,k)) IMMUTABLE_ROWS=true");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT * FROM foo ORDER BY j,k");
assertEquals(OrderBy.FWD_ROW_KEY_ORDER_BY,plan.getOrderBy());
}
@Test
public void testOrderByNotDroppedCompositeKey() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE foo (j INTEGER NOT NULL, k BIGINT NOT NULL, v VARCHAR CONSTRAINT pk PRIMARY KEY (j,k)) IMMUTABLE_ROWS=true");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT * FROM foo ORDER BY k,j");
assertFalse(plan.getOrderBy().getOrderByExpressions().isEmpty());
}
@Test
public void testChooseIndexOverTable() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE v1 = 'bar'");
assertEquals("IDX", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseTableOverIndex() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT v1 FROM t WHERE k = 1");
assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseTableForSelection() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT v1,v2 FROM t WHERE v1 = 'bar'");
// Choose T because v2 is not in index
assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseTableForDynCols() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t(v3 VARCHAR) WHERE v1 = 'bar'");
assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseTableForSelectionStar() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT * FROM t WHERE v1 = 'bar'");
// Choose T because v2 is not in index
assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseIndexEvenWithSelectionStar() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1) INCLUDE (v2)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT * FROM t WHERE v1 = 'bar'");
assertEquals("IDX", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseIndexFromOrderBy() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE k > 30 ORDER BY v1 LIMIT 5");
assertEquals("IDX", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChoosePointLookupOverOrderByRemoval() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE k = 30 ORDER BY v1 LIMIT 5"); // Prefer
assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseIndexFromOrderByDesc() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY DESC, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE k > 30 ORDER BY v1, k DESC LIMIT 5");
assertEquals("IDX", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseTableFromOrderByAsc() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY DESC, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE k > 30 ORDER BY v1, k LIMIT 5");
assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseIndexFromOrderByAsc() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY DESC, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1, k)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE k > 30 ORDER BY v1, k LIMIT 5");
assertEquals("IDX", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChoosePointLookupOverOrderByDesc() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY DESC, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1, k)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE k = 30 ORDER BY v1, k LIMIT 5");
assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseIndexWithLongestRowKey() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx1 ON t(v1) INCLUDE(v2)");
conn.createStatement().execute("CREATE INDEX idx2 ON t(v1,v2)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE v1 = 'foo' AND v2 = 'bar'");
assertEquals("IDX2", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testIgnoreIndexesBasedOnHint() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx1 ON t(v1) INCLUDE(v2)");
conn.createStatement().execute("CREATE INDEX idx2 ON t(v1,v2)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT /*+NO_INDEX*/ k FROM t WHERE v1 = 'foo' AND v2 = 'bar'");
assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseIndexFromHint() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx1 ON t(v1) INCLUDE(v2)");
conn.createStatement().execute("CREATE INDEX idx2 ON t(v1,v2)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT /*+ INDEX(t idx1) */ k FROM t WHERE v1 = 'foo' AND v2 = 'bar'");
assertEquals("IDX1", plan.getTableRef().getTable().getTableName().getString());
plan = stmt.optimizeQuery("SELECT k FROM t WHERE v1 = 'foo' AND v2 = 'bar'");
assertEquals("IDX2", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseIndexFromCaseSensitiveHint() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE \"t\" (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx1 ON \"t\"(v1) INCLUDE(v2)");
conn.createStatement().execute("CREATE INDEX idx2 ON \"t\"(v1,v2)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT /*+ INDEX(\"t\" idx1) */ k FROM \"t\" WHERE v1 = 'foo' AND v2 = 'bar'");
assertEquals("IDX1", plan.getTableRef().getTable().getTableName().getString());
plan = stmt.optimizeQuery("SELECT k FROM \"t\" WHERE v1 = 'foo' AND v2 = 'bar'");
assertEquals("IDX2", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseIndexFromCaseSensitiveHint2() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE \"t\" (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX \"idx1\" ON \"t\"(v1) INCLUDE(v2)");
conn.createStatement().execute("CREATE INDEX \"idx2\" ON \"t\"(v1,v2)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT /*+ INDEX(\"t\" \"idx1\") */ k FROM \"t\" WHERE v1 = 'foo' AND v2 = 'bar'");
assertEquals("idx1", plan.getTableRef().getTable().getTableName().getString());
plan = stmt.optimizeQuery("SELECT k FROM \"t\" WHERE v1 = 'foo' AND v2 = 'bar'");
assertEquals("idx2", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseIndexFromDoubleQuotedHint() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx1 ON t(v1) INCLUDE(v2)");
conn.createStatement().execute("CREATE INDEX idx2 ON t(v1,v2)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT /*+ INDEX(t \"IDX1\") INDEX(t idx3) */ k FROM t WHERE v1 = 'foo' AND v2 = 'bar'");
assertEquals("IDX1", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testIndexHintParsing() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx1 ON t(v1) INCLUDE(v2)");
conn.createStatement().execute("CREATE INDEX idx2 ON t(v1,v2)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT /*+ INDEX(t idx3 idx4 \"idx5\") INDEX(t idx6 idx1) */ k FROM t WHERE v1 = 'foo' AND v2 = 'bar'");
assertEquals("IDX1", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testChooseSmallerTable() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT count(*) FROM t");
assertEquals("IDX", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testRVCForTableWithSecondaryIndexBasic() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE T (k VARCHAR NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR)");
conn.createStatement().execute("CREATE INDEX IDX ON T(v1, v2)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
String query = "select * from t where (v1, v2) <= ('1', '2')";
QueryPlan plan = stmt.optimizeQuery(query);
assertEquals("IDX", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testRVCAllColsForTableWithSecondaryIndexBasic() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE T (k VARCHAR NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR)");
conn.createStatement().execute("CREATE INDEX IDX ON T(v1, v2)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
String query = "select * from t where (k, v1, v2) <= ('3', '1', '2')";
QueryPlan plan = stmt.optimizeQuery(query);
assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
}
@Test
// Multi-tenant = false; Query uses index = false; Salted = true
public void testAssertQueryPlanDetails1() throws Exception {
testAssertQueryPlanDetails(false, false, true);
}
@Test
// Multi-tenant = true; Query uses index = false; Salted = true
public void testAssertQueryPlanDetails2() throws Exception {
testAssertQueryPlanDetails(true, false, true);
}
@Test
// Multi-tenant = true; Query uses index = true; Salted = false
public void testAssertQueryPlanDetails3() throws Exception {
testAssertQueryPlanDetails(true, true, true);
}
@Test
// Multi-tenant = false; Query uses index = true; Salted = true
public void testAssertQueryPlanDetails4() throws Exception {
testAssertQueryPlanDetails(false, true, true);
}
@Test
// Multi-tenant = false; Query uses index = false; Salted = false
public void testAssertQueryPlanDetails5() throws Exception {
testAssertQueryPlanDetails(false, false, false);
}
@Test
// Multi-tenant = true; Query uses index = false; Salted = false
public void testAssertQueryPlanDetails6() throws Exception {
testAssertQueryPlanDetails(true, false, false);
}
@Test
// Multi-tenant = true; Query uses index = true; Salted = false
public void testAssertQueryPlanDetails7() throws Exception {
testAssertQueryPlanDetails(true, true, false);
}
@Test
// Multi-tenant = false; Query uses index = true; Salted = false
public void testAssertQueryPlanDetails8() throws Exception {
testAssertQueryPlanDetails(false, true, false);
}
@Test
public void testQueryOptimizerShouldSelectThePlanWithMoreNumberOfPKColumns() throws Exception {
Connection conn1 = DriverManager.getConnection(getUrl());
Connection conn2 = DriverManager.getConnection(getUrl());
conn1.createStatement().execute("create table index_test_table (a varchar not null,b varchar not null,c varchar not null,d varchar,e varchar, f varchar constraint pk primary key(a,b,c))");
conn1.createStatement().execute(
"create index INDEX_TEST_TABLE_INDEX_D on INDEX_TEST_TABLE(A,D) include(B,C,E,F)");
conn1.createStatement().execute(
"create index INDEX_TEST_TABLE_INDEX_F on INDEX_TEST_TABLE(A,F) include(B,C,D,E)");
ResultSet rs = conn2.createStatement().executeQuery("explain select * from INDEX_TEST_TABLE where A in ('1','2','3','4','5') and F in ('1111','2222','3333')");
assertEquals("CLIENT PARALLEL 1-WAY SKIP SCAN ON 15 KEYS OVER INDEX_TEST_TABLE_INDEX_F ['1','1111'] - ['5','3333']", QueryUtil.getExplainPlan(rs));
}
@Test
public void testCharArrayLength() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute(
"CREATE TABLE TEST.TEST (testInt INTEGER, testCharArray CHAR(3)[], testByteArray BINARY(7)[], " +
"CONSTRAINT test_pk PRIMARY KEY(testInt)) DEFAULT_COLUMN_FAMILY='T'");
conn.createStatement().execute("CREATE INDEX TEST_INDEX ON TEST.TEST (testInt) INCLUDE (testCharArray, testByteArray)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT /*+ INDEX(TEST.TEST TEST_INDEX)*/ testCharArray,testByteArray FROM TEST.TEST");
List<PColumn> columns = plan.getTableRef().getTable().getColumns();
assertEquals(3, columns.size());
assertEquals(3, columns.get(1).getMaxLength().intValue());
assertEquals(7, columns.get(2).getMaxLength().intValue());
}
private void testAssertQueryPlanDetails(boolean multitenant, boolean useIndex, boolean salted) throws Exception {
String sql;
PreparedStatement stmt;
Connection conn = DriverManager.getConnection(getUrl(), new Properties());
try {
// create table
conn.createStatement().execute("create table "
+ "XYZ.ABC"
+ " (organization_id char(15) not null, \n"
+ " \"DEC\" DECIMAL(10,2) not null,\n"
+ " a_string_array varchar(100) array[] not null,\n"
+ " b_string varchar(100),\n"
+ " CF.a_integer integer,\n"
+ " a_date date,\n"
+ " CONSTRAINT pk PRIMARY KEY (organization_id, \"DEC\", a_string_array)\n"
+ ")" + (salted ? "SALT_BUCKETS=4" : "") + (multitenant == true ? (salted ? ",MULTI_TENANT=true" : "MULTI_TENANT=true") : ""));
if (useIndex) {
// create index
conn.createStatement().execute("CREATE INDEX ABC_IDX ON XYZ.ABC (CF.a_integer) INCLUDE (a_date)");
}
// switch to a tenant specific connection if multi-tenant.
conn = multitenant ? DriverManager.getConnection(getUrl("tenantId")) : conn;
// create a tenant specific view if multi-tenant
if (multitenant) {
conn.createStatement().execute("CREATE VIEW ABC_VIEW (ORGANIZATION_ID VARCHAR) AS SELECT * FROM XYZ.ABC");
}
String expectedColNames = multitenant ? addQuotes(null, "DEC,A_STRING_ARRAY") : addQuotes(null,"ORGANIZATION_ID,DEC,A_STRING_ARRAY");
String expectedColumnNameDataTypes = multitenant ? "\"DEC\" DECIMAL(10,2),\"A_STRING_ARRAY\" VARCHAR(100) ARRAY" : "\"ORGANIZATION_ID\" CHAR(15),\"DEC\" DECIMAL(10,2),\"A_STRING_ARRAY\" VARCHAR(100) ARRAY";
String tableName = multitenant ? "ABC_VIEW" : "XYZ.ABC";
String tenantFilter = multitenant ? "" : "organization_id = ? AND ";
String orderByRowKeyClause = multitenant ? "DEC" : "organization_id";
// Filter on row key columns of data table. No order by. No limit.
sql = "SELECT CF.a_integer FROM " + tableName + " where " + tenantFilter + " \"DEC\" = ? and a_string_array = ?";
stmt = conn.prepareStatement(sql);
int counter = 1;
if (!multitenant) {
stmt.setString(counter++, "ORGID");
}
stmt.setDouble(counter++, 1.23);
String[] strArray = new String[2];
strArray[0] = "AB";
strArray[1] = "CD";
Array array = conn.createArrayOf("VARCHAR", strArray);
stmt.setArray(counter++, array);
assertPlanDetails(stmt, expectedColNames, expectedColumnNameDataTypes, false, 0);
counter = 1;
// Filter on row key columns of data table. Order by row key columns. Limit specified.
sql = "SELECT CF.a_integer FROM " + tableName + " where " + tenantFilter + " \"DEC\" = ? and a_string_array = ? ORDER BY " + orderByRowKeyClause + " LIMIT 100";
stmt = conn.prepareStatement(sql);
if (!multitenant) {
stmt.setString(counter++, "ORGID");
}
stmt.setDouble(counter++, 1.23);
array = conn.createArrayOf("VARCHAR", strArray);
stmt.setArray(counter++, array);
assertPlanDetails(stmt, expectedColNames, expectedColumnNameDataTypes, false, 100);
counter = 1;
// Filter on row key columns of data table. Order by non-row key columns. Limit specified.
sql = "SELECT CF.a_integer FROM " + tableName + " where " + tenantFilter + " \"DEC\" = ? and a_string_array = ? ORDER BY a_date LIMIT 100";
stmt = conn.prepareStatement(sql);
if (!multitenant) {
stmt.setString(counter++, "ORGID");
}
stmt.setDouble(counter++, 1.23);
array = conn.createArrayOf("VARCHAR", strArray);
stmt.setArray(counter++, array);
assertPlanDetails(stmt, expectedColNames, expectedColumnNameDataTypes, true, 100);
if (useIndex) {
expectedColNames = multitenant ? ("\"CF\".\"A_INTEGER\"" + ",\"DEC\"" + ",\"A_STRING_ARRAY\"") : ("\"CF\".\"A_INTEGER\"" + ",\"ORGANIZATION_ID\"" + ",\"DEC\"" + ",\"A_STRING_ARRAY\"");
expectedColumnNameDataTypes = multitenant ? ("\"CF\".\"A_INTEGER\"" + " " + "INTEGER" + ",\"DEC\"" + " " + "DECIMAL(10,2)" + ",\"A_STRING_ARRAY\""+ " " + "VARCHAR(100) ARRAY") : ("\"CF\".\"A_INTEGER\"" + " " + "INTEGER" + ",\"ORGANIZATION_ID\"" + " " + "CHAR(15)" + ",\"DEC\"" + " " + "DECIMAL(10,2)" + ",\"A_STRING_ARRAY\""+ " " + "VARCHAR(100) ARRAY");
// Filter on columns that the secondary index is on. No order by. No limit.
sql = "SELECT a_date FROM " + tableName + " where CF.a_integer = ?";
stmt = conn.prepareStatement(sql);
stmt.setInt(1, 1000);
assertPlanDetails(stmt, expectedColNames, expectedColumnNameDataTypes, false, 0);
// Filter on columns that the secondary index is on. Order by on the indexed column. Limit specified.
sql = "SELECT a_date FROM " + tableName + " where CF.a_integer = ? ORDER BY CF.a_integer LIMIT 100";
stmt = conn.prepareStatement(sql);
stmt.setInt(1, 1000);
assertPlanDetails(stmt, expectedColNames, expectedColumnNameDataTypes, false, 100);
// Filter on columns that the secondary index is on. Order by on the non-indexed column. Limit specified.
sql = "SELECT a_integer FROM " + tableName + " where CF.a_integer = ? and a_date = ? ORDER BY a_date LIMIT 100";
stmt = conn.prepareStatement(sql);
stmt.setInt(1, 1000);
stmt.setDate(2, new Date(909000));
assertPlanDetails(stmt, expectedColNames, expectedColumnNameDataTypes, true, 100);
}
} finally {
conn.close();
}
}
@Test
public void testAssertQueryAgainstTenantSpecificViewGoesThroughIndex() throws Exception {
Connection conn = DriverManager.getConnection(getUrl(), new Properties());
// create table
conn.createStatement().execute("create table "
+ "XYZ.ABC"
+ " (organization_id char(15) not null, \n"
+ " entity_id char(15) not null,\n"
+ " a_string_array varchar(100) array[] not null,\n"
+ " b_string varchar(100),\n"
+ " a_string varchar,\n"
+ " a_date date,\n"
+ " CONSTRAINT pk PRIMARY KEY (organization_id, entity_id, a_string_array)\n"
+ ")" + "MULTI_TENANT=true");
// create index
conn.createStatement().execute("CREATE INDEX ABC_IDX ON XYZ.ABC (a_string) INCLUDE (a_date)");
conn.close();
// switch to a tenant specific connection
conn = DriverManager.getConnection(getUrl("tenantId"));
// create a tenant specific view
conn.createStatement().execute("CREATE VIEW ABC_VIEW AS SELECT * FROM XYZ.ABC");
// query against the tenant specific view
String sql = "SELECT a_date FROM ABC_VIEW where a_string = ?";
PreparedStatement stmt = conn.prepareStatement(sql);
stmt.setString(1, "1000");
QueryPlan plan = stmt.unwrap(PhoenixPreparedStatement.class).optimizeQuery();
assertEquals("Query should use index", PTableType.INDEX, plan.getTableRef().getTable().getType());
}
@Test
public void testAssertQueryAgainstTenantSpecificViewDoesNotGoThroughIndex() throws Exception {
Connection conn = DriverManager.getConnection(getUrl(), new Properties());
// create table
conn.createStatement().execute("create table "
+ "XYZ.ABC"
+ " (organization_id char(15) not null, \n"
+ " entity_id char(15) not null,\n"
+ " a_string_array varchar(100) array[] not null,\n"
+ " b_string varchar(100),\n"
+ " a_string varchar,\n"
+ " a_date date,\n"
+ " CONSTRAINT pk PRIMARY KEY (organization_id, entity_id, a_string_array)\n"
+ ")" + "MULTI_TENANT=true");
// create index
conn.createStatement().execute("CREATE INDEX ABC_IDX ON XYZ.ABC (a_string) INCLUDE (a_date)");
conn.close();
// switch to a tenant specific connection
conn = DriverManager.getConnection(getUrl("tenantId"));
// create a tenant specific view
conn.createStatement().execute("CREATE VIEW ABC_VIEW AS SELECT * FROM XYZ.ABC where b_string='foo'");
// query against the tenant specific view
String sql = "SELECT a_date FROM ABC_VIEW where a_string = ?";
PreparedStatement stmt = conn.prepareStatement(sql);
stmt.setString(1, "1000");
QueryPlan plan = stmt.unwrap(PhoenixPreparedStatement.class).optimizeQuery();
// should not use index as index does not contain b_string
assertEquals("Query should not use index", PTableType.VIEW, plan.getTableRef().getTable().getType());
}
@Test
public void testDistinctPrefixOnVarcharIndex() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR)");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT COUNT(DISTINCT v1) FROM t");
assertTrue(plan.getGroupBy().isOrderPreserving());
assertFalse(plan.getGroupBy().getKeyExpressions().isEmpty());
assertEquals("IDX", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testDistinctPrefixOnIntIndex() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 INTEGER, v2 VARCHAR)");
conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT COUNT(DISTINCT v1) FROM t");
assertTrue(plan.getGroupBy().isOrderPreserving());
assertFalse(plan.getGroupBy().getKeyExpressions().isEmpty());
assertEquals("IDX", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testTableUsedWithQueryMore() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
conn.createStatement().execute("CREATE TABLE t (k1 CHAR(3) NOT NULL, k2 CHAR(15) NOT NULL, k3 DATE NOT NULL, k4 CHAR(15) NOT NULL, CONSTRAINT pk PRIMARY KEY (k1,k2,k3,k4))");
conn.createStatement().execute("CREATE INDEX idx ON t(k1,k3,k2,k4)");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("SELECT * FROM t WHERE (k1,k2,k3,k4) > ('001','001xx000003DHml',to_date('2015-10-21 09:50:55.0'),'017xx0000022FuI')");
assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
}
@Test
public void testViewUsedWithQueryMoreSalted() throws Exception {
testViewUsedWithQueryMore(3);
}
@Test
public void testViewUsedWithQueryMoreUnsalted() throws Exception {
testViewUsedWithQueryMore(null);
}
private void testViewUsedWithQueryMore(Integer saltBuckets) throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
int offset = saltBuckets == null ? 0 : 1;
conn.createStatement().execute("CREATE TABLE MY_TABLES.MY_TABLE "
+ "(ORGANIZATION_ID CHAR(15) NOT NULL, "
+ "PKCOL1 CHAR(15) NOT NULL,"
+ "PKCOL2 CHAR(15) NOT NULL,"
+ "PKCOL3 CHAR(15) NOT NULL,"
+ "PKCOL4 CHAR(15) NOT NULL,COL1 "
+ "CHAR(15),"
+ "COL2 CHAR(15)"
+ "CONSTRAINT PK PRIMARY KEY (ORGANIZATION_ID,PKCOL1,PKCOL2,PKCOL3,PKCOL4)) MULTI_TENANT=true" + (saltBuckets == null ? "" : (",SALT_BUCKETS=" + saltBuckets)));
conn.createStatement().execute("CREATE INDEX MY_TABLE_INDEX \n" +
"ON MY_TABLES.MY_TABLE (PKCOL1, PKCOL3, PKCOL2, PKCOL4)\n" +
"INCLUDE (COL1, COL2)");
Properties props = PropertiesUtil.deepCopy(TestUtil.TEST_PROPERTIES);
props.setProperty(PhoenixRuntime.TENANT_ID_ATTRIB, "000000000000000");
Connection tsconn = DriverManager.getConnection(getUrl(), props);
tsconn.createStatement().execute("CREATE VIEW MY_TABLE_MT_VIEW AS SELECT * FROM MY_TABLES.MY_TABLE");
PhoenixStatement stmt = tsconn.createStatement().unwrap(PhoenixStatement.class);
QueryPlan plan = stmt.optimizeQuery("select * from my_table_mt_view where (pkcol1, pkcol2, pkcol3, pkcol4) > ('0', '0', '0', '0')");
assertEquals("MY_TABLE_MT_VIEW", plan.getTableRef().getTable().getTableName().getString());
plan = stmt.compileQuery("select * from my_table_mt_view where (pkcol1, pkcol2) > ('0', '0') and pkcol3 = '000000000000000' and pkcol4 = '000000000000000'");
assertEquals(3 + offset, plan.getContext().getScanRanges().getBoundPkColumnCount());
plan = stmt.compileQuery("select * from my_table_mt_view where (pkcol3, pkcol4) > ('0', '0') and pkcol1 = '000000000000000'");
assertEquals(2 + offset, plan.getContext().getScanRanges().getBoundPkColumnCount());
plan = stmt.compileQuery("select * from my_table_mt_view where (pkcol1, pkcol2, pkcol3) < ('0', '0', '0')");
assertEquals(4 + offset, plan.getContext().getScanRanges().getBoundPkColumnCount());
plan = stmt.compileQuery("select * from my_table_mt_view where (pkcol1, pkcol2, pkcol3) < ('9', '9', '9') and (pkcol1, pkcol2) > ('0', '0')");
assertEquals(4 + offset, plan.getContext().getScanRanges().getBoundPkColumnCount());
plan = stmt.compileQuery("select * from my_table_mt_view where pkcol1 = 'a' and pkcol2 = 'b' and pkcol3 = 'c' and (pkcol1, pkcol2) < ('z', 'z')");
assertEquals(4 + offset, plan.getContext().getScanRanges().getBoundPkColumnCount());
// TODO: in theory pkcol2 and pkcol3 could be bound, but we don't have the logic for that yet
plan = stmt.compileQuery("select * from my_table_mt_view where (pkcol2, pkcol3) > ('0', '0') and pkcol1 = '000000000000000'");
assertEquals(2 + offset, plan.getContext().getScanRanges().getBoundPkColumnCount());
}
private void assertPlanDetails(PreparedStatement stmt, String expectedPkCols, String expectedPkColsDataTypes, boolean expectedHasOrderBy, int expectedLimit) throws SQLException {
Connection conn = stmt.getConnection();
QueryPlan plan = PhoenixRuntime.getOptimizedQueryPlan(stmt);
List<Pair<String, String>> columns = PhoenixRuntime.getPkColsForSql(conn, plan);
assertEquals(expectedPkCols, Joiner.on(",").join(getColumnNames(columns)));
List<String> dataTypes = new ArrayList<String>();
columns = new ArrayList<Pair<String,String>>();
PhoenixRuntime.getPkColsDataTypesForSql(columns, dataTypes, plan, conn, true);
assertEquals(expectedPkColsDataTypes, appendColNamesDataTypes(columns, dataTypes));
assertEquals(expectedHasOrderBy, PhoenixRuntime.hasOrderBy(plan));
assertEquals(expectedLimit, PhoenixRuntime.getLimit(plan));
}
private static List<String> getColumnNames(List<Pair<String, String>> columns) {
List<String> columnNames = new ArrayList<String>(columns.size());
for (Pair<String, String> col : columns) {
String familyName = col.getFirst();
String columnName = col.getSecond();
if (familyName != null) {
columnName = familyName + QueryConstants.NAME_SEPARATOR + columnName;
}
columnNames.add(columnName);
}
return columnNames;
}
private String addQuotes(String familyName, String columnNames) {
Iterable<String> columnNamesList = Splitter.on(",").split(columnNames);
List<String> quotedColumnNames = new ArrayList<String>();
for (String columnName : columnNamesList) {
String quotedColumnName = SchemaUtil.getQuotedFullColumnName(familyName, columnName);
quotedColumnNames.add(quotedColumnName);
}
return Joiner.on(",").join(quotedColumnNames);
}
private String appendColNamesDataTypes(List<Pair<String, String>> columns, List<String> dataTypes) {
int size = columns.size();
assertEquals(size, dataTypes.size()); // they will be equal, but what the heck?
List<String> pkColsDataTypes = new ArrayList<String>(size);
for (int i = 0; i < size; i++) {
String familyName = columns.get(i).getFirst();
String columnName = columns.get(i).getSecond();
if (familyName != null) {
columnName = familyName + QueryConstants.NAME_SEPARATOR + columnName;
}
pkColsDataTypes.add(columnName + " " + dataTypes.get(i));
}
return Joiner.on(",").join(pkColsDataTypes);
}
@Test
public void testMinMaxQualifierRangeWithOrderByOnKVColumn() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
String tableName = "testMintestMinMaxQualifierRange".toUpperCase();
conn.createStatement().execute("CREATE TABLE " + tableName + " (k INTEGER NOT NULL PRIMARY KEY, v1 INTEGER, v2 VARCHAR) COLUMN_ENCODED_BYTES=4");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
ResultSet rs = stmt.executeQuery("SELECT K from " + tableName + " ORDER BY (v1)");
assertQualifierRanges(rs, ENCODED_EMPTY_COLUMN_NAME, ENCODED_CQ_COUNTER_INITIAL_VALUE);
rs = stmt.executeQuery("SELECT K from " + tableName + " ORDER BY (v1, v2)");
assertQualifierRanges(rs, ENCODED_EMPTY_COLUMN_NAME, ENCODED_CQ_COUNTER_INITIAL_VALUE + 1);
rs = stmt.executeQuery("SELECT V2 from " + tableName + " ORDER BY (v1)");
assertQualifierRanges(rs, ENCODED_EMPTY_COLUMN_NAME, ENCODED_CQ_COUNTER_INITIAL_VALUE + 1);
rs = stmt.executeQuery("SELECT V1 from " + tableName + " ORDER BY (v1, v2)");
assertQualifierRanges(rs, ENCODED_EMPTY_COLUMN_NAME, ENCODED_CQ_COUNTER_INITIAL_VALUE + 1);
}
@Test
public void testMinMaxQualifierRangeWithNoOrderBy() throws Exception {
Connection conn = DriverManager.getConnection(getUrl());
String tableName = "testMintestMinMaxQualifierRange".toUpperCase();
conn.createStatement().execute("CREATE TABLE " + tableName + " (k INTEGER NOT NULL PRIMARY KEY, v1 INTEGER, v2 VARCHAR) COLUMN_ENCODED_BYTES=4");
PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
ResultSet rs = stmt.executeQuery("SELECT K from " + tableName);
assertQualifierRanges(rs, ENCODED_CQ_COUNTER_INITIAL_VALUE, ENCODED_CQ_COUNTER_INITIAL_VALUE + 1);
rs = stmt.executeQuery("SELECT V2 from " + tableName);
assertQualifierRanges(rs, ENCODED_EMPTY_COLUMN_NAME, ENCODED_CQ_COUNTER_INITIAL_VALUE + 1);
rs = stmt.executeQuery("SELECT V1 from " + tableName);
assertQualifierRanges(rs, ENCODED_EMPTY_COLUMN_NAME, ENCODED_CQ_COUNTER_INITIAL_VALUE);
}
private static void assertQualifierRanges(ResultSet rs, int minQualifier, int maxQualifier) throws SQLException {
Scan scan = rs.unwrap(PhoenixResultSet.class).getStatement().getQueryPlan().getContext().getScan();
assertNotNull(scan.getAttribute(MIN_QUALIFIER));
assertNotNull(scan.getAttribute(MAX_QUALIFIER));
assertEquals(minQualifier, Bytes.toInt(scan.getAttribute(MIN_QUALIFIER)));
assertEquals(maxQualifier, Bytes.toInt(scan.getAttribute(MAX_QUALIFIER)));
}
// private static void assertQualifierRangesNotPresent(ResultSet rs) throws SQLException {
// Scan scan = rs.unwrap(PhoenixResultSet.class).getStatement().getQueryPlan().getContext().getScan();
// assertNull(scan.getAttribute(MIN_QUALIFIER));
// assertNull(scan.getAttribute(MAX_QUALIFIER));
// }
}