| /* |
| * 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.druid.sql.calcite.rule; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Iterables; |
| import org.apache.calcite.jdbc.JavaTypeFactoryImpl; |
| import org.apache.calcite.rel.type.RelDataType; |
| import org.apache.calcite.rel.type.RelDataTypeFactory; |
| import org.apache.calcite.rex.RexBuilder; |
| import org.apache.calcite.rex.RexNode; |
| import org.apache.calcite.sql.fun.SqlStdOperatorTable; |
| import org.apache.calcite.sql.type.SqlTypeFactoryImpl; |
| import org.apache.calcite.sql.type.SqlTypeName; |
| import org.apache.druid.sql.calcite.planner.DruidTypeSystem; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.math.BigDecimal; |
| import java.util.List; |
| |
| public class DruidJoinRuleTest |
| { |
| private final RexBuilder rexBuilder = new RexBuilder(new JavaTypeFactoryImpl()); |
| |
| private final RelDataTypeFactory typeFactory = new SqlTypeFactoryImpl(DruidTypeSystem.INSTANCE); |
| |
| private final RelDataType leftType = |
| new SqlTypeFactoryImpl(DruidTypeSystem.INSTANCE).createStructType( |
| ImmutableList.of(typeFactory.createSqlType(SqlTypeName.VARCHAR)), |
| ImmutableList.of("left") |
| ); |
| |
| private final RelDataType joinType = |
| new SqlTypeFactoryImpl(DruidTypeSystem.INSTANCE).createStructType( |
| ImmutableList.of( |
| typeFactory.createSqlType(SqlTypeName.VARCHAR), |
| typeFactory.createSqlType(SqlTypeName.VARCHAR) |
| ), |
| ImmutableList.of("left", "right") |
| ); |
| |
| @Test |
| public void test_canHandleCondition_leftEqRight() |
| { |
| Assert.assertTrue( |
| DruidJoinRule.canHandleCondition( |
| rexBuilder.makeCall( |
| SqlStdOperatorTable.EQUALS, |
| rexBuilder.makeInputRef(joinType, 0), |
| rexBuilder.makeInputRef(joinType, 1) |
| ), |
| leftType, |
| null |
| ) |
| ); |
| } |
| |
| @Test |
| public void test_canHandleCondition_leftFnEqRight() |
| { |
| Assert.assertTrue( |
| DruidJoinRule.canHandleCondition( |
| rexBuilder.makeCall( |
| SqlStdOperatorTable.EQUALS, |
| rexBuilder.makeCall( |
| SqlStdOperatorTable.CONCAT, |
| rexBuilder.makeLiteral("foo"), |
| rexBuilder.makeInputRef(typeFactory.createSqlType(SqlTypeName.VARCHAR), 0) |
| ), |
| rexBuilder.makeInputRef(typeFactory.createSqlType(SqlTypeName.VARCHAR), 1) |
| ), |
| leftType, |
| null |
| ) |
| ); |
| } |
| |
| @Test |
| public void test_canHandleCondition_leftEqRightFn() |
| { |
| Assert.assertFalse( |
| DruidJoinRule.canHandleCondition( |
| rexBuilder.makeCall( |
| SqlStdOperatorTable.EQUALS, |
| rexBuilder.makeInputRef(typeFactory.createSqlType(SqlTypeName.VARCHAR), 0), |
| rexBuilder.makeCall( |
| SqlStdOperatorTable.CONCAT, |
| rexBuilder.makeLiteral("foo"), |
| rexBuilder.makeInputRef(typeFactory.createSqlType(SqlTypeName.VARCHAR), 1) |
| ) |
| ), |
| leftType, |
| null |
| ) |
| ); |
| } |
| |
| @Test |
| public void test_canHandleCondition_leftEqLeft() |
| { |
| Assert.assertFalse( |
| DruidJoinRule.canHandleCondition( |
| rexBuilder.makeCall( |
| SqlStdOperatorTable.EQUALS, |
| rexBuilder.makeInputRef(typeFactory.createSqlType(SqlTypeName.VARCHAR), 0), |
| rexBuilder.makeInputRef(typeFactory.createSqlType(SqlTypeName.VARCHAR), 0) |
| ), |
| leftType, |
| null |
| ) |
| ); |
| } |
| |
| @Test |
| public void test_canHandleCondition_rightEqRight() |
| { |
| Assert.assertFalse( |
| DruidJoinRule.canHandleCondition( |
| rexBuilder.makeCall( |
| SqlStdOperatorTable.EQUALS, |
| rexBuilder.makeInputRef(typeFactory.createSqlType(SqlTypeName.VARCHAR), 1), |
| rexBuilder.makeInputRef(typeFactory.createSqlType(SqlTypeName.VARCHAR), 1) |
| ), |
| leftType, |
| null |
| ) |
| ); |
| } |
| |
| @Test |
| public void test_canHandleCondition_true() |
| { |
| Assert.assertTrue( |
| DruidJoinRule.canHandleCondition( |
| rexBuilder.makeLiteral(true), |
| leftType, |
| null |
| ) |
| ); |
| } |
| |
| @Test |
| public void test_canHandleCondition_false() |
| { |
| Assert.assertTrue( |
| DruidJoinRule.canHandleCondition( |
| rexBuilder.makeLiteral(false), |
| leftType, |
| null |
| ) |
| ); |
| } |
| |
| @Test |
| public void test_decomposeAnd_notAnAnd() |
| { |
| final List<RexNode> rexNodes = DruidJoinRule.decomposeAnd(rexBuilder.makeInputRef(leftType, 0)); |
| |
| Assert.assertEquals(1, rexNodes.size()); |
| Assert.assertEquals(rexBuilder.makeInputRef(leftType, 0), Iterables.getOnlyElement(rexNodes)); |
| } |
| |
| @Test |
| public void test_decomposeAnd_basic() |
| { |
| final List<RexNode> decomposed = DruidJoinRule.decomposeAnd( |
| rexBuilder.makeCall( |
| SqlStdOperatorTable.AND, |
| rexBuilder.makeCall( |
| SqlStdOperatorTable.AND, |
| rexBuilder.makeExactLiteral(BigDecimal.valueOf(1)), |
| rexBuilder.makeExactLiteral(BigDecimal.valueOf(2)) |
| ), |
| rexBuilder.makeCall( |
| SqlStdOperatorTable.AND, |
| rexBuilder.makeExactLiteral(BigDecimal.valueOf(3)), |
| rexBuilder.makeExactLiteral(BigDecimal.valueOf(4)) |
| ) |
| ) |
| ); |
| |
| Assert.assertEquals( |
| ImmutableList.of( |
| rexBuilder.makeExactLiteral(BigDecimal.valueOf(1)), |
| rexBuilder.makeExactLiteral(BigDecimal.valueOf(2)), |
| rexBuilder.makeExactLiteral(BigDecimal.valueOf(3)), |
| rexBuilder.makeExactLiteral(BigDecimal.valueOf(4)) |
| ), |
| decomposed |
| ); |
| } |
| } |