Java Code Examples for org.apache.calcite.plan.RelOptPlanner#clear()

The following examples show how to use org.apache.calcite.plan.RelOptPlanner#clear() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Programs.java    From Bats with Apache License 2.0 6 votes vote down vote up 
public RelNode run(RelOptPlanner planner, RelNode rel,
    RelTraitSet requiredOutputTraits,
    List<RelOptMaterialization> materializations,
    List<RelOptLattice> lattices) {
  planner.clear();
  for (RelOptRule rule : ruleSet) {
    planner.addRule(rule);
  }
  for (RelOptMaterialization materialization : materializations) {
    planner.addMaterialization(materialization);
  }
  for (RelOptLattice lattice : lattices) {
    planner.addLattice(lattice);
  }
  if (!rel.getTraitSet().equals(requiredOutputTraits)) {
    rel = planner.changeTraits(rel, requiredOutputTraits);
  }
  planner.setRoot(rel);
  return planner.findBestExp();

}
Example 2
Source File: Programs.java    From calcite with Apache License 2.0 6 votes vote down vote up 
public RelNode run(RelOptPlanner planner, RelNode rel,
    RelTraitSet requiredOutputTraits,
    List<RelOptMaterialization> materializations,
    List<RelOptLattice> lattices) {
  planner.clear();
  for (RelOptRule rule : ruleSet) {
    planner.addRule(rule);
  }
  for (RelOptMaterialization materialization : materializations) {
    planner.addMaterialization(materialization);
  }
  for (RelOptLattice lattice : lattices) {
    planner.addLattice(lattice);
  }
  if (!rel.getTraitSet().equals(requiredOutputTraits)) {
    rel = planner.changeTraits(rel, requiredOutputTraits);
  }
  planner.setRoot(rel);
  return planner.findBestExp();

}
Example 3
Source File: SqlWorker.java    From quark with Apache License 2.0 5 votes vote down vote up 
public RelNode run(RelOptPlanner planner, RelNode rel,
                   RelTraitSet requiredOutputTraits,
                   List<RelOptMaterialization> materializations,
                   List<RelOptLattice> lattices) {
  planner.clear();

  planner.addRelTraitDef(ConventionTraitDef.INSTANCE);

  planner.addRelTraitDef(RelCollationTraitDef.INSTANCE);
  //((VolcanoPlanner) planner).registerAbstractRelationalRules();

  RelOptUtil.registerAbstractRels(planner);
  for (RelOptRule rule : ruleSet) {
    planner.addRule(rule);
  }

  planner.addRule(Bindables.BINDABLE_TABLE_SCAN_RULE);
  planner.addRule(ProjectTableScanRule.INSTANCE);
  planner.addRule(ProjectTableScanRule.INTERPRETER);
  planner.addRule(EnumerableInterpreterRule.INSTANCE);

  final CalciteSchema rootSchema = CalciteSchema.from(context.getRootSchema());
  planner.setExecutor(new RexExecutorImpl(null));
  planner.setRoot(rel);

  MaterializationService.setThreadLocal(materializationService);
  plannerHolder.setPlanner(planner);
  populateMaterializationsAndLattice(plannerHolder, rootSchema);
  if (!rel.getTraitSet().equals(requiredOutputTraits)) {
    rel = planner.changeTraits(rel, requiredOutputTraits);
    planner.setRoot(rel);
  }

  RelOptPlanner planner2 = planner.chooseDelegate();
  return planner2.findBestExp();
}
Example 4
Source File: PigConverter.java    From calcite with Apache License 2.0 5 votes vote down vote up 
private void resetPlannerRules(RelOptPlanner planner,
    List<RelOptRule> rulesToSet) {
  planner.clear();
  for (RelOptRule rule : rulesToSet) {
    planner.addRule(rule);
  }
}
Example 5
Source File: ToLogicalConverterTest.java    From calcite with Apache License 2.0 5 votes vote down vote up 
private static RelNode toPhysical(RelNode rel) {
  final RelOptPlanner planner = rel.getCluster().getPlanner();
  planner.clear();
  for (RelOptRule rule : RULE_SET) {
    planner.addRule(rule);
  }

  final Program program = Programs.of(RuleSets.ofList(planner.getRules()));
  return program.run(planner, rel, rel.getTraitSet().replace(EnumerableConvention.INSTANCE),
      ImmutableList.of(), ImmutableList.of());
}
Example 6
Source File: TraitPropagationTest.java    From calcite with Apache License 2.0 5 votes vote down vote up 
private static RelNode run(PropAction action, RuleSet rules)
    throws Exception {

  FrameworkConfig config = Frameworks.newConfigBuilder()
      .ruleSets(rules).build();

  final Properties info = new Properties();
  final Connection connection = DriverManager
      .getConnection("jdbc:calcite:", info);
  final CalciteServerStatement statement = connection
      .createStatement().unwrap(CalciteServerStatement.class);
  final CalcitePrepare.Context prepareContext =
        statement.createPrepareContext();
  final JavaTypeFactory typeFactory = prepareContext.getTypeFactory();
  CalciteCatalogReader catalogReader =
        new CalciteCatalogReader(prepareContext.getRootSchema(),
            prepareContext.getDefaultSchemaPath(),
            typeFactory,
            prepareContext.config());
  final RexBuilder rexBuilder = new RexBuilder(typeFactory);
  final RelOptPlanner planner = new VolcanoPlanner(config.getCostFactory(),
      config.getContext());

  // set up rules before we generate cluster
  planner.clearRelTraitDefs();
  planner.addRelTraitDef(RelCollationTraitDef.INSTANCE);
  planner.addRelTraitDef(ConventionTraitDef.INSTANCE);

  planner.clear();
  for (RelOptRule r : rules) {
    planner.addRule(r);
  }

  final RelOptCluster cluster = RelOptCluster.create(planner, rexBuilder);
  return action.apply(cluster, catalogReader,
      prepareContext.getRootSchema().plus());
}