Java FilterProjectTransposeRule类代码示例

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本文整理汇总了Java中org.apache.calcite.rel.rules.FilterProjectTransposeRule类的典型用法代码示例。如果您正苦于以下问题：Java FilterProjectTransposeRule类的具体用法？Java FilterProjectTransposeRule怎么用？Java FilterProjectTransposeRule使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

FilterProjectTransposeRule类属于org.apache.calcite.rel.rules包，在下文中一共展示了FilterProjectTransposeRule类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: decorrelate

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
private RelNode decorrelate(RelNode root) {
	// first adjust count() expression if any
	HepProgram program = HepProgram.builder().addRuleInstance(new AdjustProjectForCountAggregateRule(false)).addRuleInstance(new AdjustProjectForCountAggregateRule(true)).addRuleInstance(FilterJoinRule.FILTER_ON_JOIN).addRuleInstance(FilterProjectTransposeRule.INSTANCE).addRuleInstance(FilterCorrelateRule.INSTANCE).build();

	HepPlanner planner = createPlanner(program);

	planner.setRoot(root);
	root = planner.findBestExp();

	// Perform decorrelation.
	map.clear();

	final Frame frame = getInvoke(root, null);
	if (frame != null) {
		// has been rewritten; apply rules post-decorrelation
		final HepProgram program2 = HepProgram.builder().addRuleInstance(FilterJoinRule.FILTER_ON_JOIN).addRuleInstance(FilterJoinRule.JOIN).build();

		final HepPlanner planner2 = createPlanner(program2);
		final RelNode newRoot = frame.r;
		planner2.setRoot(newRoot);
		return planner2.findBestExp();
	}

	return root;
}

开发者ID:axbaretto，项目名称:flink，代码行数:26，代码来源:FlinkRelDecorrelator.java

示例2: testStrengthenJoinType

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
@Test public void testStrengthenJoinType() {
  // The "Filter(... , right.c IS NOT NULL)" above a left join is pushed into
  // the join, makes it an inner join, and then disappears because c is NOT
  // NULL.
  final HepProgram preProgram =
      HepProgram.builder()
          .addRuleInstance(ProjectMergeRule.INSTANCE)
          .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
          .build();
  final HepProgram program =
      HepProgram.builder()
          .addRuleInstance(FilterJoinRule.FILTER_ON_JOIN)
          .build();
  final String sql = "select *\n"
      + "from dept left join emp using (deptno)\n"
      + "where emp.deptno is not null and emp.sal > 100";
  sql(sql)
      .withDecorrelation(true)
      .withTrim(true)
      .withPre(preProgram)
      .with(program)
      .check();
}

开发者ID:apache，项目名称:calcite，代码行数:24，代码来源:RelOptRulesTest.java

示例3: testSemiJoinRuleExists

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
@Test public void testSemiJoinRuleExists() {
  final HepProgram preProgram =
      HepProgram.builder()
          .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
          .addRuleInstance(FilterJoinRule.FILTER_ON_JOIN)
          .addRuleInstance(ProjectMergeRule.INSTANCE)
          .build();
  final HepProgram program =
      HepProgram.builder()
          .addRuleInstance(SemiJoinRule.PROJECT)
          .build();
  final String sql = "select * from dept where exists (\n"
      + "  select * from emp\n"
      + "  where emp.deptno = dept.deptno\n"
      + "  and emp.sal > 100)";
  sql(sql)
      .withDecorrelation(true)
      .withTrim(true)
      .withPre(preProgram)
      .with(program)
      .check();
}

开发者ID:apache，项目名称:calcite，代码行数:23，代码来源:RelOptRulesTest.java

示例4: testSemiJoinRule

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
@Test public void testSemiJoinRule() {
  final HepProgram preProgram =
      HepProgram.builder()
          .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
          .addRuleInstance(FilterJoinRule.FILTER_ON_JOIN)
          .addRuleInstance(ProjectMergeRule.INSTANCE)
          .build();
  final HepProgram program =
      HepProgram.builder()
          .addRuleInstance(SemiJoinRule.PROJECT)
          .build();
  final String sql = "select dept.* from dept join (\n"
      + "  select distinct deptno from emp\n"
      + "  where sal > 100) using (deptno)";
  sql(sql)
      .withDecorrelation(true)
      .withTrim(true)
      .withPre(preProgram)
      .with(program)
      .check();
}

开发者ID:apache，项目名称:calcite，代码行数:22，代码来源:RelOptRulesTest.java

示例5: testSemiJoinRuleRight

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
/** Test case for
 * <a href="https://issues.apache.org/jira/browse/CALCITE-1495">[CALCITE-1495]
 * SemiJoinRule should not apply to RIGHT and FULL JOIN</a>. */
@Test public void testSemiJoinRuleRight() {
  final HepProgram preProgram =
      HepProgram.builder()
          .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
          .addRuleInstance(FilterJoinRule.FILTER_ON_JOIN)
          .addRuleInstance(ProjectMergeRule.INSTANCE)
          .build();
  final HepProgram program =
      HepProgram.builder()
          .addRuleInstance(SemiJoinRule.PROJECT)
          .build();
  final String sql = "select dept.* from dept right join (\n"
      + "  select distinct deptno from emp\n"
      + "  where sal > 100) using (deptno)";
  sql(sql)
      .withPre(preProgram)
      .with(program)
      .withDecorrelation(true)
      .withTrim(true)
      .checkUnchanged();
}

开发者ID:apache，项目名称:calcite，代码行数:25，代码来源:RelOptRulesTest.java

示例6: testSemiJoinRuleFull

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
/** Similar to {@link #testSemiJoinRuleRight()} but FULL. */
@Test public void testSemiJoinRuleFull() {
  final HepProgram preProgram =
      HepProgram.builder()
          .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
          .addRuleInstance(FilterJoinRule.FILTER_ON_JOIN)
          .addRuleInstance(ProjectMergeRule.INSTANCE)
          .build();
  final HepProgram program =
      HepProgram.builder()
          .addRuleInstance(SemiJoinRule.PROJECT)
          .build();
  final String sql = "select dept.* from dept full join (\n"
      + "  select distinct deptno from emp\n"
      + "  where sal > 100) using (deptno)";
  sql(sql)
      .withPre(preProgram)
      .with(program)
      .withDecorrelation(true)
      .withTrim(true)
      .checkUnchanged();
}

开发者ID:apache，项目名称:calcite，代码行数:23，代码来源:RelOptRulesTest.java

示例7: testSemiJoinRuleLeft

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
/** Similar to {@link #testSemiJoinRule()} but LEFT. */
@Test public void testSemiJoinRuleLeft() {
  final HepProgram preProgram =
      HepProgram.builder()
          .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
          .addRuleInstance(FilterJoinRule.FILTER_ON_JOIN)
          .addRuleInstance(ProjectMergeRule.INSTANCE)
          .build();
  final HepProgram program =
      HepProgram.builder()
          .addRuleInstance(SemiJoinRule.PROJECT)
          .build();
  final String sql = "select name from dept left join (\n"
      + "  select distinct deptno from emp\n"
      + "  where sal > 100) using (deptno)";
  sql(sql)
      .withPre(preProgram)
      .with(program)
      .withDecorrelation(true)
      .withTrim(true)
      .check();
}

开发者ID:apache，项目名称:calcite，代码行数:23，代码来源:RelOptRulesTest.java

示例8: testPushFilterThroughSemiJoin

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
/** Test case for
 * <a href="https://issues.apache.org/jira/browse/CALCITE-438">[CALCITE-438]
 * Push predicates through SemiJoin</a>. */
@Test public void testPushFilterThroughSemiJoin() {
  final HepProgram preProgram =
      HepProgram.builder()
          .addRuleInstance(SemiJoinRule.PROJECT)
          .build();

  final HepProgram program =
      HepProgram.builder()
          .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
          .addRuleInstance(FilterJoinRule.FILTER_ON_JOIN)
          .addRuleInstance(FilterJoinRule.JOIN)
          .build();
  final String sql = "select * from (\n"
      + "  select * from dept where dept.deptno in (\n"
      + "    select emp.deptno from emp))R\n"
      + "where R.deptno <=10";
  sql(sql)
      .withDecorrelation(true)
      .withTrim(false)
      .withPre(preProgram)
      .with(program)
      .check();
}

开发者ID:apache，项目名称:calcite，代码行数:27，代码来源:RelOptRulesTest.java

示例9: testMergeJoinFilter

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
/** Tests that a filters is combined are combined if they are identical,
 * even if one of them originates in an ON clause of a JOIN. */
@Test public void testMergeJoinFilter() throws Exception {
  HepProgram program = new HepProgramBuilder()
      .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
      .addRuleInstance(FilterMergeRule.INSTANCE)
      .addRuleInstance(FilterJoinRule.FILTER_ON_JOIN)
      .build();

  checkPlanning(program,
      "select * from (\n"
          + "  select d.deptno, e.ename\n"
          + "  from emp as e\n"
          + "  join dept as d\n"
          + "  on e.deptno = d.deptno\n"
          + "  and d.deptno = 10)\n"
          + "where deptno = 10\n");
}

开发者ID:apache，项目名称:calcite，代码行数:19，代码来源:RelOptRulesTest.java

示例10: testEmptyFilterProjectUnion

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
@Test public void testEmptyFilterProjectUnion() throws Exception {
  HepProgram program = new HepProgramBuilder()
      .addRuleInstance(FilterSetOpTransposeRule.INSTANCE)
      .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
      .addRuleInstance(ProjectMergeRule.INSTANCE)
      .addRuleInstance(ValuesReduceRule.PROJECT_FILTER_INSTANCE)
      .addRuleInstance(PruneEmptyRules.PROJECT_INSTANCE)
      .addRuleInstance(PruneEmptyRules.UNION_INSTANCE)
      .build();

  // Plan should be same as for
  // select * from (values (30, 3)) as t(x, y)");
  checkPlanning(program,
      "select * from (\n"
          + "select * from (values (10, 1), (30, 3)) as t (x, y)\n"
          + "union all\n"
          + "select * from (values (20, 2))\n"
          + ")\n"
          + "where x + y > 30");
}

开发者ID:apache，项目名称:calcite，代码行数:21，代码来源:RelOptRulesTest.java

示例11: decorrelate

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
private RelNode decorrelate(RelNode root) {
  // first adjust count() expression if any
  HepProgram program = HepProgram.builder()
      .addRuleInstance(new AdjustProjectForCountAggregateRule(false))
      .addRuleInstance(new AdjustProjectForCountAggregateRule(true))
      .addRuleInstance(FilterJoinRule.FILTER_ON_JOIN)
      .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
      .addRuleInstance(FilterCorrelateRule.INSTANCE)
      .build();

  HepPlanner planner = createPlanner(program);

  planner.setRoot(root);
  root = planner.findBestExp();

  // Perform decorrelation.
  map.clear();

  final Frame frame = getInvoke(root, null);
  if (frame != null) {
    // has been rewritten; apply rules post-decorrelation
    final HepProgram program2 = HepProgram.builder()
        .addRuleInstance(FilterJoinRule.FILTER_ON_JOIN)
        .addRuleInstance(FilterJoinRule.JOIN)
        .build();

    final HepPlanner planner2 = createPlanner(program2);
    final RelNode newRoot = frame.r;
    planner2.setRoot(newRoot);
    return planner2.findBestExp();
  }

  return root;
}

开发者ID:apache，项目名称:calcite，代码行数:35，代码来源:RelDecorrelator.java

示例12: substitute

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
private static List<RelNode> substitute(
    RelNode root, RelOptMaterialization materialization) {
  // First, if the materialization is in terms of a star table, rewrite
  // the query in terms of the star table.
  if (materialization.starTable != null) {
    RelNode newRoot = RelOptMaterialization.tryUseStar(root,
        materialization.starRelOptTable);
    if (newRoot != null) {
      root = newRoot;
    }
  }

  // Push filters to the bottom, and combine projects on top.
  RelNode target = materialization.queryRel;
  HepProgram program =
      new HepProgramBuilder()
          .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
          .addRuleInstance(ProjectMergeRule.INSTANCE)
          .addRuleInstance(ProjectRemoveRule.INSTANCE)
          .build();

  final HepPlanner hepPlanner = new HepPlanner(program);
  hepPlanner.setRoot(target);
  target = hepPlanner.findBestExp();

  hepPlanner.setRoot(root);
  root = hepPlanner.findBestExp();

  return new MaterializedViewSubstitutionVisitor(target, root)
          .go(materialization.tableRel);
}

开发者ID:apache，项目名称:calcite，代码行数:32，代码来源:RelOptMaterializations.java

示例13: testConvertSemiJoin

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
@Test public void testConvertSemiJoin() {
  final String sql = "select * from dept where exists (\n"
      + "  select * from emp\n"
      + "  where emp.deptno = dept.deptno\n"
      + "  and emp.sal > 100)";
  checkConvertMutableRel(
      "SemiJoin",
      sql,
      true,
      ImmutableList.of(
          FilterProjectTransposeRule.INSTANCE,
          FilterJoinRule.FILTER_ON_JOIN,
          ProjectMergeRule.INSTANCE,
          SemiJoinRule.PROJECT));
}

开发者ID:apache，项目名称:calcite，代码行数:16，代码来源:MutableRelTest.java

示例14: basePushFilterPastAggWithGroupingSets

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
private void basePushFilterPastAggWithGroupingSets(boolean unchanged)
    throws Exception {
  final HepProgram preProgram =
          HepProgram.builder()
              .addRuleInstance(ProjectMergeRule.INSTANCE)
              .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
              .build();
  final HepProgram program =
          HepProgram.builder()
              .addRuleInstance(FilterAggregateTransposeRule.INSTANCE)
              .build();
  checkPlanning(tester, preProgram, new HepPlanner(program), "${sql}",
      unchanged);
}

开发者ID:apache，项目名称:calcite，代码行数:15，代码来源:RelOptRulesTest.java

示例15: testMergeFilter

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
/** Tests that filters are combined if they are identical. */
@Test public void testMergeFilter() throws Exception {
  HepProgram program = new HepProgramBuilder()
      .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
      .addRuleInstance(FilterMergeRule.INSTANCE)
      .build();

  checkPlanning(program,
      "select name from (\n"
          + "  select *\n"
          + "  from dept\n"
          + "  where deptno = 10)\n"
          + "where deptno = 10\n");
}

开发者ID:apache，项目名称:calcite，代码行数:15，代码来源:RelOptRulesTest.java

示例16: testReduceConstantsCalc

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
@Test public void testReduceConstantsCalc() throws Exception {
  // This reduction does not work using
  // ReduceExpressionsRule.PROJECT_INSTANCE or FILTER_INSTANCE,
  // only CALC_INSTANCE, because we need to pull the project expression
  //    upper('table')
  // into the condition
  //    upper('table') = 'TABLE'
  // and reduce it to TRUE. Only in the Calc are projects and conditions
  // combined.
  HepProgram program = new HepProgramBuilder()
      .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
      .addRuleInstance(FilterSetOpTransposeRule.INSTANCE)
      .addRuleInstance(FilterToCalcRule.INSTANCE)
      .addRuleInstance(ProjectToCalcRule.INSTANCE)
      .addRuleInstance(CalcMergeRule.INSTANCE)
      .addRuleInstance(ReduceExpressionsRule.CALC_INSTANCE)

          // the hard part is done... a few more rule calls to clean up
      .addRuleInstance(PruneEmptyRules.UNION_INSTANCE)
      .addRuleInstance(ProjectToCalcRule.INSTANCE)
      .addRuleInstance(CalcMergeRule.INSTANCE)
      .addRuleInstance(ReduceExpressionsRule.CALC_INSTANCE)
      .build();

  // Result should be same as typing
  //  SELECT * FROM (VALUES ('TABLE        ', 'T')) AS T(U, S)
  checkPlanning(program,
      "select * from (\n"
          + "  select upper(substring(x FROM 1 FOR 2) || substring(x FROM 3)) as u,\n"
          + "      substring(x FROM 1 FOR 1) as s\n"
          + "  from (\n"
          + "    select 'table' as x from (values (true))\n"
          + "    union\n"
          + "    select 'view' from (values (true))\n"
          + "    union\n"
          + "    select 'foreign table' from (values (true))\n"
          + "  )\n"
          + ") where u = 'TABLE'");
}

开发者ID:apache，项目名称:calcite，代码行数:40，代码来源:RelOptRulesTest.java

示例17: testReduceValuesUnderFilter

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
@Test public void testReduceValuesUnderFilter() throws Exception {
  HepProgram program = new HepProgramBuilder()
      .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
      .addRuleInstance(ValuesReduceRule.FILTER_INSTANCE)
      .build();

  // Plan should be same as for
  // select a, b from (values (10,'x')) as t(a, b)");
  checkPlanning(program,
      "select a, b from (values (10, 'x'), (20, 'y')) as t(a, b) where a < 15");
}

开发者ID:apache，项目名称:calcite，代码行数:12，代码来源:RelOptRulesTest.java

示例18: testReduceValuesUnderProjectFilter

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
@Test public void testReduceValuesUnderProjectFilter() throws Exception {
  HepProgram program = new HepProgramBuilder()
      .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
      .addRuleInstance(ProjectMergeRule.INSTANCE)
      .addRuleInstance(ValuesReduceRule.PROJECT_FILTER_INSTANCE)
      .build();

  // Plan should be same as for
  // select * from (values (11, 1, 10), (23, 3, 20)) as t(x, b, a)");
  checkPlanning(program,
      "select a + b as x, b, a from (values (10, 1), (30, 7), (20, 3)) as t(a, b)"
          + " where a - b < 21");
}

开发者ID:apache，项目名称:calcite，代码行数:14，代码来源:RelOptRulesTest.java

示例19: testReduceValuesToEmpty

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
@Test public void testReduceValuesToEmpty() throws Exception {
  HepProgram program = new HepProgramBuilder()
      .addRuleInstance(FilterProjectTransposeRule.INSTANCE)
      .addRuleInstance(ProjectMergeRule.INSTANCE)
      .addRuleInstance(ValuesReduceRule.PROJECT_FILTER_INSTANCE)
      .build();

  // Plan should be same as for
  // select * from (values (11, 1, 10), (23, 3, 20)) as t(x, b, a)");
  checkPlanning(program,
      "select a + b as x, b, a from (values (10, 1), (30, 7)) as t(a, b)"
          + " where a - b < 0");
}

开发者ID:apache，项目名称:calcite，代码行数:14，代码来源:RelOptRulesTest.java

示例20: testPushFilterWithRank

import org.apache.calcite.rel.rules.FilterProjectTransposeRule; //导入依赖的package包/类
@Test public void testPushFilterWithRank() throws Exception {
  HepProgram program = new HepProgramBuilder()
      .addRuleInstance(FilterProjectTransposeRule.INSTANCE).build();
  final String sql = "select e1.ename, r\n"
      + "from (\n"
      + "  select ename, "
      + "  rank() over(partition by  deptno order by sal) as r "
      + "  from emp) e1\n"
      + "where r < 2";
  checkPlanUnchanged(new HepPlanner(program), sql);
}

开发者ID:apache，项目名称:calcite，代码行数:12，代码来源:RelOptRulesTest.java

注：本文中的org.apache.calcite.rel.rules.FilterProjectTransposeRule类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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Java FilterProjectTransposeRule类代码示例

示例1: decorrelate

示例2: testStrengthenJoinType

示例3: testSemiJoinRuleExists

示例4: testSemiJoinRule

示例5: testSemiJoinRuleRight

示例6: testSemiJoinRuleFull

示例7: testSemiJoinRuleLeft

示例8: testPushFilterThroughSemiJoin

示例9: testMergeJoinFilter

示例10: testEmptyFilterProjectUnion

示例11: decorrelate

示例12: substitute

示例13: testConvertSemiJoin

示例14: basePushFilterPastAggWithGroupingSets

示例15: testMergeFilter

示例16: testReduceConstantsCalc

示例17: testReduceValuesUnderFilter

示例18: testReduceValuesUnderProjectFilter

示例19: testReduceValuesToEmpty

示例20: testPushFilterWithRank

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