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73 changes: 73 additions & 0 deletions
73
internalexample/src/test/java/io.mycat.drdsrunner/UnionAllTest.java
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|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package io.mycat.drdsrunner; | ||
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| import io.mycat.DrdsConst; | ||
| import io.mycat.DrdsExecutorCompiler; | ||
| import io.mycat.DrdsSqlCompiler; | ||
| import io.mycat.DrdsSqlWithParams; | ||
| import io.mycat.calcite.DrdsRunnerHelper; | ||
| import io.mycat.calcite.MycatRel; | ||
| import io.mycat.calcite.rewriter.OptimizationContext; | ||
| import io.mycat.calcite.spm.Plan; | ||
| import io.mycat.calcite.spm.PlanImpl; | ||
| import io.mycat.calcite.spm.SpecificSql; | ||
| import io.mycat.calcite.table.SchemaHandler; | ||
| import io.mycat.util.NameMap; | ||
| import org.junit.Assert; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.Test; | ||
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| import javax.annotation.concurrent.NotThreadSafe; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.concurrent.TimeUnit; | ||
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| @NotThreadSafe | ||
| @net.jcip.annotations.NotThreadSafe | ||
| public class UnionAllTest extends DrdsTest { | ||
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| @BeforeClass | ||
| public static void beforeClass() { | ||
| DrdsTest.drdsRunner = null; | ||
| DrdsTest.metadataManager = null; | ||
| } | ||
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| public static Explain parse(String sql) { | ||
| DrdsSqlCompiler drds = getDrds(); | ||
| DrdsSqlWithParams drdsSqlWithParams = DrdsRunnerHelper.preParse(sql, null); | ||
| OptimizationContext optimizationContext = new OptimizationContext(); | ||
| MycatRel dispatch = drds.dispatch(optimizationContext, drdsSqlWithParams); | ||
| Plan plan = new PlanImpl(dispatch, DrdsExecutorCompiler.getCodeExecuterContext(optimizationContext.relNodeContext.getConstantMap(), dispatch, false), drdsSqlWithParams.getAliasList()); | ||
| return new Explain(plan, drdsSqlWithParams); | ||
| } | ||
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| @Test | ||
| public void testSelectTest() throws Exception { | ||
| Explain explain = parse("select 1 union all select 1"); | ||
| Assert.assertEquals("[{columnType=INTEGER, nullable=false, columnName=1}]", explain.getColumnInfo()); | ||
| Assert.assertEquals("MycatUnion(all=[true]) MycatProject(?=[?0]) MycatValues(tuples=[[{ 0 }]]) MycatProject(?=[?1]) MycatValues(tuples=[[{ 0 }]])", explain.dumpPlan()); | ||
| } | ||
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| @Test | ||
| public void testSelectNormal() throws Exception { | ||
| Explain explain = parse("select 1 from db1.normal union all select 1 from db1.normal"); | ||
| Assert.assertEquals("[{columnType=INTEGER, nullable=false, columnName=1}]", explain.getColumnInfo()); | ||
| Assert.assertEquals("MycatView(distribution=[[db1.normal]])", explain.dumpPlan()); | ||
| } | ||
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| @Test | ||
| public void testSelectNormalGlobal() throws Exception { | ||
| Explain explain = parse("select 1 from db1.normal union all select 1 from db1.global"); | ||
| Assert.assertEquals("[{columnType=INTEGER, nullable=false, columnName=1}]", | ||
| explain.getColumnInfo()); | ||
| Assert.assertEquals("MycatView(distribution=[[db1.global, db1.normal]])", explain.dumpPlan()); | ||
| } | ||
| @Test | ||
| public void testSelectNormalSharding() throws Exception { | ||
| Explain explain = parse("select 1 from db1.normal union all select 1 from db1.sharding"); | ||
| Assert.assertEquals("[{columnType=INTEGER, nullable=false, columnName=1}]", | ||
| explain.getColumnInfo()); | ||
| Assert.assertEquals("MycatUnion(all=[true]) MycatView(distribution=[[db1.normal]]) MycatView(distribution=[[db1.sharding]])", explain.dumpPlan()); | ||
| } | ||
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||
| } |