use of org.apache.calcite.plan.volcano.PlannerTests.PhysLeafRule in project calcite by apache.
the class VolcanoPlannerTest method testTransformSingleGood.
/**
* Tests transformation of a single+leaf from NONE to PHYS.
*/
@Test
public void testTransformSingleGood() {
VolcanoPlanner planner = new VolcanoPlanner();
planner.addRelTraitDef(ConventionTraitDef.INSTANCE);
planner.addRule(new PhysLeafRule());
planner.addRule(new GoodSingleRule());
RelOptCluster cluster = newCluster(planner);
NoneLeafRel leafRel = new NoneLeafRel(cluster, "a");
NoneSingleRel singleRel = new NoneSingleRel(cluster, leafRel);
RelNode convertedRel = planner.changeTraits(singleRel, cluster.traitSetOf(PHYS_CALLING_CONVENTION));
planner.setRoot(convertedRel);
RelNode result = planner.chooseDelegate().findBestExp();
assertTrue(result instanceof PhysSingleRel);
}
use of org.apache.calcite.plan.volcano.PlannerTests.PhysLeafRule in project calcite by apache.
the class VolcanoPlannerTest method testRemoveSingleGood.
/**
* This always worked (in contrast to testRemoveSingleReformed) because it
* uses a completely-physical pattern (requiring GoodSingleRule to fire
* first).
*/
@Test
public void testRemoveSingleGood() {
VolcanoPlanner planner = new VolcanoPlanner();
planner.ambitious = true;
planner.addRelTraitDef(ConventionTraitDef.INSTANCE);
planner.addRule(new PhysLeafRule());
planner.addRule(new GoodSingleRule());
planner.addRule(new GoodRemoveSingleRule());
RelOptCluster cluster = newCluster(planner);
NoneLeafRel leafRel = new NoneLeafRel(cluster, "a");
NoneSingleRel singleRel = new NoneSingleRel(cluster, leafRel);
RelNode convertedRel = planner.changeTraits(singleRel, cluster.traitSetOf(PHYS_CALLING_CONVENTION));
planner.setRoot(convertedRel);
RelNode result = planner.chooseDelegate().findBestExp();
assertTrue(result instanceof PhysLeafRel);
PhysLeafRel resultLeaf = (PhysLeafRel) result;
assertEquals("c", resultLeaf.label);
}
use of org.apache.calcite.plan.volcano.PlannerTests.PhysLeafRule in project calcite by apache.
the class VolcanoPlannerTest method removeTrivialProject.
private void removeTrivialProject(boolean useRule) {
VolcanoPlanner planner = new VolcanoPlanner();
planner.ambitious = true;
planner.addRelTraitDef(ConventionTraitDef.INSTANCE);
if (useRule) {
planner.addRule(ProjectRemoveRule.INSTANCE);
}
planner.addRule(new PhysLeafRule());
planner.addRule(new GoodSingleRule());
planner.addRule(new PhysProjectRule());
planner.addRule(new ConverterRule(RelNode.class, PHYS_CALLING_CONVENTION, EnumerableConvention.INSTANCE, "PhysToIteratorRule") {
public RelNode convert(RelNode rel) {
return new PhysToIteratorConverter(rel.getCluster(), rel);
}
});
RelOptCluster cluster = newCluster(planner);
PhysLeafRel leafRel = new PhysLeafRel(cluster, "a");
final RelBuilder relBuilder = RelFactories.LOGICAL_BUILDER.create(leafRel.getCluster(), null);
RelNode projectRel = relBuilder.push(leafRel).project(relBuilder.alias(relBuilder.field(0), "this")).build();
NoneSingleRel singleRel = new NoneSingleRel(cluster, projectRel);
RelNode convertedRel = planner.changeTraits(singleRel, cluster.traitSetOf(EnumerableConvention.INSTANCE));
planner.setRoot(convertedRel);
RelNode result = planner.chooseDelegate().findBestExp();
assertTrue(result instanceof PhysToIteratorConverter);
}
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