sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/meta/provider/test/TestTableProviderWithFilterAndProjectPushDown.java - beam - Git at Google

 /*
  * 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.beam.sdk.extensions.sql.meta.provider.test;

 import static org.apache.beam.sdk.extensions.sql.meta.provider.test.TestTableProvider.PUSH_DOWN_OPTION;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.collection.IsIterableContainingInAnyOrder.containsInAnyOrder;
 import static org.hamcrest.core.IsInstanceOf.instanceOf;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;

 import com.alibaba.fastjson.JSON;
 import java.util.List;
 import org.apache.beam.sdk.extensions.sql.impl.BeamSqlEnv;
 import org.apache.beam.sdk.extensions.sql.impl.rel.BeamCalcRel;
 import org.apache.beam.sdk.extensions.sql.impl.rel.BeamIOSourceRel;
 import org.apache.beam.sdk.extensions.sql.impl.rel.BeamRelNode;
 import org.apache.beam.sdk.extensions.sql.impl.rel.BeamSqlRelUtils;
 import org.apache.beam.sdk.extensions.sql.impl.rule.BeamCalcRule;
 import org.apache.beam.sdk.extensions.sql.impl.rule.BeamIOPushDownRule;
 import org.apache.beam.sdk.extensions.sql.meta.Table;
 import org.apache.beam.sdk.extensions.sql.meta.provider.test.TestTableProvider.PushDownOptions;
 import org.apache.beam.sdk.options.PipelineOptionsFactory;
 import org.apache.beam.sdk.schemas.Schema;
 import org.apache.beam.sdk.testing.PAssert;
 import org.apache.beam.sdk.testing.TestPipeline;
 import org.apache.beam.sdk.values.PCollection;
 import org.apache.beam.sdk.values.Row;
 import org.apache.beam.vendor.calcite.v1_20_0.com.google.common.collect.ImmutableList;
 import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.plan.RelOptRule;
 import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.CalcMergeRule;
 import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.FilterCalcMergeRule;
 import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.FilterToCalcRule;
 import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.ProjectCalcMergeRule;
 import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.ProjectToCalcRule;
 import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.tools.RuleSet;
 import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.tools.RuleSets;
 import org.joda.time.Duration;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;

 @RunWith(JUnit4.class)
 public class TestTableProviderWithFilterAndProjectPushDown {
   private static final Schema BASIC_SCHEMA =
       Schema.builder()
           .addInt32Field("unused1")
           .addInt32Field("id")
           .addStringField("name")
           .addInt16Field("unused2")
           .addBooleanField("b")
           .build();
   private static final List<RelOptRule> rulesWithPushDown =
       ImmutableList.of(
           BeamCalcRule.INSTANCE,
           FilterCalcMergeRule.INSTANCE,
           ProjectCalcMergeRule.INSTANCE,
           BeamIOPushDownRule.INSTANCE,
           FilterToCalcRule.INSTANCE,
           ProjectToCalcRule.INSTANCE,
           CalcMergeRule.INSTANCE);
   private BeamSqlEnv sqlEnv;

   @Rule public TestPipeline pipeline = TestPipeline.create();

   @Before
   public void buildUp() {
     TestTableProvider tableProvider = new TestTableProvider();
     Table table = getTable("TEST", PushDownOptions.BOTH);
     tableProvider.createTable(table);
     tableProvider.addRows(
         table.getName(),
         row(BASIC_SCHEMA, 100, 1, "one", (short) 100, true),
         row(BASIC_SCHEMA, 200, 2, "two", (short) 200, false));

     sqlEnv =
         BeamSqlEnv.builder(tableProvider)
             .setPipelineOptions(PipelineOptionsFactory.create())
             .setRuleSets(new RuleSet[] {RuleSets.ofList(rulesWithPushDown)})
             .build();
   }

   @Test
   public void testIOSourceRel_predicateSimple() {
     String selectTableStatement = "SELECT name FROM TEST where id=2";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class));
     assertEquals(Schema.builder().addStringField("name").build(), result.getSchema());
     PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two"));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void testIOSourceRel_predicateSimple_Boolean() {
     String selectTableStatement = "SELECT name FROM TEST where b";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class));
     assertEquals(Schema.builder().addStringField("name").build(), result.getSchema());
     PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "one"));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void testIOSourceRel_predicateWithAnd() {
     String selectTableStatement = "SELECT name FROM TEST where id>=2 and unused1<=200";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class));
     assertEquals(Schema.builder().addStringField("name").build(), result.getSchema());
     PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two"));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void testIOSourceRel_withComplexProjects_withSupportedFilter() {
     String selectTableStatement =
         "SELECT name as new_name, unused1+10-id as new_id FROM TEST where 1<id";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
     assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
     // Make sure project push-down was done
     List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
     assertThat(a, containsInAnyOrder("name", "unused1", "id"));
     assertEquals(
         Schema.builder().addStringField("new_name").addInt32Field("new_id").build(),
         result.getSchema());
     PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two", 208));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void testIOSourceRel_selectFieldsInRandomOrder_withRename_withSupportedFilter() {
     String selectTableStatement =
         "SELECT name as new_name, id as new_id, unused1 as new_unused1 FROM TEST where 1<id";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class));
     // Make sure project push-down was done
     List<String> a = beamRelNode.getRowType().getFieldNames();
     assertThat(a, containsInAnyOrder("new_name", "new_id", "new_unused1"));
     assertEquals(
         Schema.builder()
             .addStringField("new_name")
             .addInt32Field("new_id")
             .addInt32Field("new_unused1")
             .build(),
         result.getSchema());
     PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two", 2, 200));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void testIOSourceRel_selectFieldsInRandomOrder_withRename_withUnsupportedFilter() {
     String selectTableStatement =
         "SELECT name as new_name, id as new_id, unused1 as new_unused1 FROM TEST where id+unused1=202";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
     assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
     // Make sure project push-down was done
     List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
     assertThat(a, containsInAnyOrder("name", "id", "unused1"));
     assertEquals(
         Schema.builder()
             .addStringField("new_name")
             .addInt32Field("new_id")
             .addInt32Field("new_unused1")
             .build(),
         result.getSchema());
     PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two", 2, 200));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void
       testIOSourceRel_selectFieldsInRandomOrder_withRename_withSupportedAndUnsupportedFilters() {
     String selectTableStatement =
         "SELECT name as new_name, id as new_id, unused1 as new_unused1 FROM TEST where 1<id and id+unused1=202";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
     assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
     // Make sure project push-down was done
     List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
     assertThat(a, containsInAnyOrder("name", "id", "unused1"));
     assertEquals(
         "BeamPushDownIOSourceRel.BEAM_LOGICAL(table=[beam, TEST],usedFields=[name, id, unused1],TestTableFilter=[supported{<(1, $1)}, unsupported{=(+($1, $0), 202)}])",
         beamRelNode.getInput(0).getDigest());
     assertEquals(
         Schema.builder()
             .addStringField("new_name")
             .addInt32Field("new_id")
             .addInt32Field("new_unused1")
             .build(),
         result.getSchema());
     PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two", 2, 200));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void testIOSourceRel_selectAllField() {
     String selectTableStatement = "SELECT * FROM TEST where id<>2";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class));
     assertEquals(
         "BeamPushDownIOSourceRel.BEAM_LOGICAL(table=[beam, TEST],usedFields=[unused1, id, name, unused2, b],TestTableFilter=[supported{<>($1, 2)}, unsupported{}])",
         beamRelNode.getDigest());
     assertEquals(BASIC_SCHEMA, result.getSchema());
     PAssert.that(result)
         .containsInAnyOrder(row(result.getSchema(), 100, 1, "one", (short) 100, true));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   private static Row row(Schema schema, Object... objects) {
     return Row.withSchema(schema).addValues(objects).build();
   }

   @Test
   public void testIOSourceRel_withUnsupportedPredicate() {
     String selectTableStatement = "SELECT name FROM TEST where id+unused1=101";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
     assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
     assertEquals(
         "BeamPushDownIOSourceRel.BEAM_LOGICAL(table=[beam, TEST],usedFields=[name, id, unused1],TestTableFilter=[supported{}, unsupported{=(+($1, $0), 101)}])",
         beamRelNode.getInput(0).getDigest());
     // Make sure project push-down was done
     List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
     assertThat(a, containsInAnyOrder("name", "id", "unused1"));

     assertEquals(Schema.builder().addStringField("name").build(), result.getSchema());
     PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "one"));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void testIOSourceRel_selectAll_withUnsupportedPredicate() {
     String selectTableStatement = "SELECT * FROM TEST where id+unused1=101";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
     assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
     assertEquals(
         "BeamIOSourceRel.BEAM_LOGICAL(table=[beam, TEST])", beamRelNode.getInput(0).getDigest());
     // Make sure project push-down was done (all fields since 'select *')
     List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
     assertThat(a, containsInAnyOrder("name", "id", "unused1", "unused2", "b"));

     assertEquals(BASIC_SCHEMA, result.getSchema());
     PAssert.that(result)
         .containsInAnyOrder(row(result.getSchema(), 100, 1, "one", (short) 100, true));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void testIOSourceRel_withSupportedAndUnsupportedPredicate() {
     String selectTableStatement = "SELECT name FROM TEST where id+unused1=101 and id=1";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
     assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
     assertEquals(
         "BeamPushDownIOSourceRel.BEAM_LOGICAL(table=[beam, TEST],usedFields=[name, id, unused1],TestTableFilter=[supported{=($1, 1)}, unsupported{=(+($1, $0), 101)}])",
         beamRelNode.getInput(0).getDigest());
     // Make sure project push-down was done
     List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
     assertThat(a, containsInAnyOrder("name", "id", "unused1"));

     assertEquals(Schema.builder().addStringField("name").build(), result.getSchema());
     PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "one"));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void testIOSourceRel_selectAll_withSupportedAndUnsupportedPredicate() {
     String selectTableStatement = "SELECT * FROM TEST where id+unused1=101 and id=1";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
     assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
     assertEquals(
         "BeamPushDownIOSourceRel.BEAM_LOGICAL(table=[beam, TEST],usedFields=[unused1, id, name, unused2, b],TestTableFilter=[supported{=($1, 1)}, unsupported{=(+($1, $0), 101)}])",
         beamRelNode.getInput(0).getDigest());
     // Make sure project push-down was done (all fields since 'select *')
     List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
     assertThat(a, containsInAnyOrder("unused1", "name", "id", "unused2", "b"));

     assertEquals(BASIC_SCHEMA, result.getSchema());
     PAssert.that(result)
         .containsInAnyOrder(row(result.getSchema(), 100, 1, "one", (short) 100, true));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void testIOSourceRel_selectOneFieldsMoreThanOnce() {
     String selectTableStatement = "SELECT b, b, b, b, b FROM TEST";

     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     // Calc must not be dropped
     assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
     assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
     // Make sure project push-down was done
     List<String> pushedFields = beamRelNode.getInput(0).getRowType().getFieldNames();
     assertThat(pushedFields, containsInAnyOrder("b"));

     assertEquals(
         Schema.builder()
             .addBooleanField("b")
             .addBooleanField("b0")
             .addBooleanField("b1")
             .addBooleanField("b2")
             .addBooleanField("b3")
             .build(),
         result.getSchema());
     PAssert.that(result)
         .containsInAnyOrder(
             row(result.getSchema(), true, true, true, true, true),
             row(result.getSchema(), false, false, false, false, false));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   @Test
   public void testIOSourceRel_selectOneFieldsMoreThanOnce_withSupportedPredicate() {
     String selectTableStatement = "SELECT b, b, b, b, b FROM TEST where b";

     // Calc must not be dropped
     BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
     PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

     assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
     // Supported predicate should be pushed-down
     assertNull(((BeamCalcRel) beamRelNode).getProgram().getCondition());
     assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
     // Make sure project push-down was done
     List<String> pushedFields = beamRelNode.getInput(0).getRowType().getFieldNames();
     assertThat(pushedFields, containsInAnyOrder("b"));

     assertEquals(
         Schema.builder()
             .addBooleanField("b")
             .addBooleanField("b0")
             .addBooleanField("b1")
             .addBooleanField("b2")
             .addBooleanField("b3")
             .build(),
         result.getSchema());
     PAssert.that(result).containsInAnyOrder(row(result.getSchema(), true, true, true, true, true));

     pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
   }

   private static Table getTable(String name, PushDownOptions options) {
     return Table.builder()
         .name(name)
         .comment(name + " table")
         .schema(BASIC_SCHEMA)
         .properties(
             JSON.parseObject("{ " + PUSH_DOWN_OPTION + ": " + "\"" + options.toString() + "\" }"))
         .type("test")
         .build();
   }
 }
	/*
	* 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.beam.sdk.extensions.sql.meta.provider.test;

	import static org.apache.beam.sdk.extensions.sql.meta.provider.test.TestTableProvider.PUSH_DOWN_OPTION;
	import static org.hamcrest.MatcherAssert.assertThat;
	import static org.hamcrest.collection.IsIterableContainingInAnyOrder.containsInAnyOrder;
	import static org.hamcrest.core.IsInstanceOf.instanceOf;
	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.assertNull;

	import com.alibaba.fastjson.JSON;
	import java.util.List;
	import org.apache.beam.sdk.extensions.sql.impl.BeamSqlEnv;
	import org.apache.beam.sdk.extensions.sql.impl.rel.BeamCalcRel;
	import org.apache.beam.sdk.extensions.sql.impl.rel.BeamIOSourceRel;
	import org.apache.beam.sdk.extensions.sql.impl.rel.BeamRelNode;
	import org.apache.beam.sdk.extensions.sql.impl.rel.BeamSqlRelUtils;
	import org.apache.beam.sdk.extensions.sql.impl.rule.BeamCalcRule;
	import org.apache.beam.sdk.extensions.sql.impl.rule.BeamIOPushDownRule;
	import org.apache.beam.sdk.extensions.sql.meta.Table;
	import org.apache.beam.sdk.extensions.sql.meta.provider.test.TestTableProvider.PushDownOptions;
	import org.apache.beam.sdk.options.PipelineOptionsFactory;
	import org.apache.beam.sdk.schemas.Schema;
	import org.apache.beam.sdk.testing.PAssert;
	import org.apache.beam.sdk.testing.TestPipeline;
	import org.apache.beam.sdk.values.PCollection;
	import org.apache.beam.sdk.values.Row;
	import org.apache.beam.vendor.calcite.v1_20_0.com.google.common.collect.ImmutableList;
	import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.plan.RelOptRule;
	import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.CalcMergeRule;
	import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.FilterCalcMergeRule;
	import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.FilterToCalcRule;
	import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.ProjectCalcMergeRule;
	import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.ProjectToCalcRule;
	import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.tools.RuleSet;
	import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.tools.RuleSets;
	import org.joda.time.Duration;
	import org.junit.Before;
	import org.junit.Rule;
	import org.junit.Test;
	import org.junit.runner.RunWith;
	import org.junit.runners.JUnit4;

	@RunWith(JUnit4.class)
	public class TestTableProviderWithFilterAndProjectPushDown {
	private static final Schema BASIC_SCHEMA =
	Schema.builder()
	.addInt32Field("unused1")
	.addInt32Field("id")
	.addStringField("name")
	.addInt16Field("unused2")
	.addBooleanField("b")
	.build();
	private static final List<RelOptRule> rulesWithPushDown =
	ImmutableList.of(
	BeamCalcRule.INSTANCE,
	FilterCalcMergeRule.INSTANCE,
	ProjectCalcMergeRule.INSTANCE,
	BeamIOPushDownRule.INSTANCE,
	FilterToCalcRule.INSTANCE,
	ProjectToCalcRule.INSTANCE,
	CalcMergeRule.INSTANCE);
	private BeamSqlEnv sqlEnv;

	@Rule public TestPipeline pipeline = TestPipeline.create();

	@Before
	public void buildUp() {
	TestTableProvider tableProvider = new TestTableProvider();
	Table table = getTable("TEST", PushDownOptions.BOTH);
	tableProvider.createTable(table);
	tableProvider.addRows(
	table.getName(),
	row(BASIC_SCHEMA, 100, 1, "one", (short) 100, true),
	row(BASIC_SCHEMA, 200, 2, "two", (short) 200, false));

	sqlEnv =
	BeamSqlEnv.builder(tableProvider)
	.setPipelineOptions(PipelineOptionsFactory.create())
	.setRuleSets(new RuleSet[] {RuleSets.ofList(rulesWithPushDown)})
	.build();
	}

	@Test
	public void testIOSourceRel_predicateSimple() {
	String selectTableStatement = "SELECT name FROM TEST where id=2";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class));
	assertEquals(Schema.builder().addStringField("name").build(), result.getSchema());
	PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two"));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void testIOSourceRel_predicateSimple_Boolean() {
	String selectTableStatement = "SELECT name FROM TEST where b";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class));
	assertEquals(Schema.builder().addStringField("name").build(), result.getSchema());
	PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "one"));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void testIOSourceRel_predicateWithAnd() {
	String selectTableStatement = "SELECT name FROM TEST where id>=2 and unused1<=200";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class));
	assertEquals(Schema.builder().addStringField("name").build(), result.getSchema());
	PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two"));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void testIOSourceRel_withComplexProjects_withSupportedFilter() {
	String selectTableStatement =
	"SELECT name as new_name, unused1+10-id as new_id FROM TEST where 1<id";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
	assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
	// Make sure project push-down was done
	List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
	assertThat(a, containsInAnyOrder("name", "unused1", "id"));
	assertEquals(
	Schema.builder().addStringField("new_name").addInt32Field("new_id").build(),
	result.getSchema());
	PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two", 208));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void testIOSourceRel_selectFieldsInRandomOrder_withRename_withSupportedFilter() {
	String selectTableStatement =
	"SELECT name as new_name, id as new_id, unused1 as new_unused1 FROM TEST where 1<id";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class));
	// Make sure project push-down was done
	List<String> a = beamRelNode.getRowType().getFieldNames();
	assertThat(a, containsInAnyOrder("new_name", "new_id", "new_unused1"));
	assertEquals(
	Schema.builder()
	.addStringField("new_name")
	.addInt32Field("new_id")
	.addInt32Field("new_unused1")
	.build(),
	result.getSchema());
	PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two", 2, 200));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void testIOSourceRel_selectFieldsInRandomOrder_withRename_withUnsupportedFilter() {
	String selectTableStatement =
	"SELECT name as new_name, id as new_id, unused1 as new_unused1 FROM TEST where id+unused1=202";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
	assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
	// Make sure project push-down was done
	List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
	assertThat(a, containsInAnyOrder("name", "id", "unused1"));
	assertEquals(
	Schema.builder()
	.addStringField("new_name")
	.addInt32Field("new_id")
	.addInt32Field("new_unused1")
	.build(),
	result.getSchema());
	PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two", 2, 200));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void
	testIOSourceRel_selectFieldsInRandomOrder_withRename_withSupportedAndUnsupportedFilters() {
	String selectTableStatement =
	"SELECT name as new_name, id as new_id, unused1 as new_unused1 FROM TEST where 1<id and id+unused1=202";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
	assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
	// Make sure project push-down was done
	List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
	assertThat(a, containsInAnyOrder("name", "id", "unused1"));
	assertEquals(
	"BeamPushDownIOSourceRel.BEAM_LOGICAL(table=[beam, TEST],usedFields=[name, id, unused1],TestTableFilter=[supported{<(1, $1)}, unsupported{=(+($1, $0), 202)}])",
	beamRelNode.getInput(0).getDigest());
	assertEquals(
	Schema.builder()
	.addStringField("new_name")
	.addInt32Field("new_id")
	.addInt32Field("new_unused1")
	.build(),
	result.getSchema());
	PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two", 2, 200));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void testIOSourceRel_selectAllField() {
	String selectTableStatement = "SELECT * FROM TEST where id<>2";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class));
	assertEquals(
	"BeamPushDownIOSourceRel.BEAM_LOGICAL(table=[beam, TEST],usedFields=[unused1, id, name, unused2, b],TestTableFilter=[supported{<>($1, 2)}, unsupported{}])",
	beamRelNode.getDigest());
	assertEquals(BASIC_SCHEMA, result.getSchema());
	PAssert.that(result)
	.containsInAnyOrder(row(result.getSchema(), 100, 1, "one", (short) 100, true));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	private static Row row(Schema schema, Object... objects) {
	return Row.withSchema(schema).addValues(objects).build();
	}

	@Test
	public void testIOSourceRel_withUnsupportedPredicate() {
	String selectTableStatement = "SELECT name FROM TEST where id+unused1=101";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
	assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
	assertEquals(
	"BeamPushDownIOSourceRel.BEAM_LOGICAL(table=[beam, TEST],usedFields=[name, id, unused1],TestTableFilter=[supported{}, unsupported{=(+($1, $0), 101)}])",
	beamRelNode.getInput(0).getDigest());
	// Make sure project push-down was done
	List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
	assertThat(a, containsInAnyOrder("name", "id", "unused1"));

	assertEquals(Schema.builder().addStringField("name").build(), result.getSchema());
	PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "one"));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void testIOSourceRel_selectAll_withUnsupportedPredicate() {
	String selectTableStatement = "SELECT * FROM TEST where id+unused1=101";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
	assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
	assertEquals(
	"BeamIOSourceRel.BEAM_LOGICAL(table=[beam, TEST])", beamRelNode.getInput(0).getDigest());
	// Make sure project push-down was done (all fields since 'select *')
	List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
	assertThat(a, containsInAnyOrder("name", "id", "unused1", "unused2", "b"));

	assertEquals(BASIC_SCHEMA, result.getSchema());
	PAssert.that(result)
	.containsInAnyOrder(row(result.getSchema(), 100, 1, "one", (short) 100, true));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void testIOSourceRel_withSupportedAndUnsupportedPredicate() {
	String selectTableStatement = "SELECT name FROM TEST where id+unused1=101 and id=1";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
	assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
	assertEquals(
	"BeamPushDownIOSourceRel.BEAM_LOGICAL(table=[beam, TEST],usedFields=[name, id, unused1],TestTableFilter=[supported{=($1, 1)}, unsupported{=(+($1, $0), 101)}])",
	beamRelNode.getInput(0).getDigest());
	// Make sure project push-down was done
	List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
	assertThat(a, containsInAnyOrder("name", "id", "unused1"));

	assertEquals(Schema.builder().addStringField("name").build(), result.getSchema());
	PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "one"));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void testIOSourceRel_selectAll_withSupportedAndUnsupportedPredicate() {
	String selectTableStatement = "SELECT * FROM TEST where id+unused1=101 and id=1";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
	assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
	assertEquals(
	"BeamPushDownIOSourceRel.BEAM_LOGICAL(table=[beam, TEST],usedFields=[unused1, id, name, unused2, b],TestTableFilter=[supported{=($1, 1)}, unsupported{=(+($1, $0), 101)}])",
	beamRelNode.getInput(0).getDigest());
	// Make sure project push-down was done (all fields since 'select *')
	List<String> a = beamRelNode.getInput(0).getRowType().getFieldNames();
	assertThat(a, containsInAnyOrder("unused1", "name", "id", "unused2", "b"));

	assertEquals(BASIC_SCHEMA, result.getSchema());
	PAssert.that(result)
	.containsInAnyOrder(row(result.getSchema(), 100, 1, "one", (short) 100, true));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void testIOSourceRel_selectOneFieldsMoreThanOnce() {
	String selectTableStatement = "SELECT b, b, b, b, b FROM TEST";

	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	// Calc must not be dropped
	assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
	assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
	// Make sure project push-down was done
	List<String> pushedFields = beamRelNode.getInput(0).getRowType().getFieldNames();
	assertThat(pushedFields, containsInAnyOrder("b"));

	assertEquals(
	Schema.builder()
	.addBooleanField("b")
	.addBooleanField("b0")
	.addBooleanField("b1")
	.addBooleanField("b2")
	.addBooleanField("b3")
	.build(),
	result.getSchema());
	PAssert.that(result)
	.containsInAnyOrder(
	row(result.getSchema(), true, true, true, true, true),
	row(result.getSchema(), false, false, false, false, false));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	@Test
	public void testIOSourceRel_selectOneFieldsMoreThanOnce_withSupportedPredicate() {
	String selectTableStatement = "SELECT b, b, b, b, b FROM TEST where b";

	// Calc must not be dropped
	BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement);
	PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode);

	assertThat(beamRelNode, instanceOf(BeamCalcRel.class));
	// Supported predicate should be pushed-down
	assertNull(((BeamCalcRel) beamRelNode).getProgram().getCondition());
	assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class));
	// Make sure project push-down was done
	List<String> pushedFields = beamRelNode.getInput(0).getRowType().getFieldNames();
	assertThat(pushedFields, containsInAnyOrder("b"));

	assertEquals(
	Schema.builder()
	.addBooleanField("b")
	.addBooleanField("b0")
	.addBooleanField("b1")
	.addBooleanField("b2")
	.addBooleanField("b3")
	.build(),
	result.getSchema());
	PAssert.that(result).containsInAnyOrder(row(result.getSchema(), true, true, true, true, true));

	pipeline.run().waitUntilFinish(Duration.standardMinutes(2));
	}

	private static Table getTable(String name, PushDownOptions options) {
	return Table.builder()
	.name(name)
	.comment(name + " table")
	.schema(BASIC_SCHEMA)
	.properties(
	JSON.parseObject("{ " + PUSH_DOWN_OPTION + ": " + "\"" + options.toString() + "\" }"))
	.type("test")
	.build();
	}
	}