Examples with RuleSet org.apache.calcite.tools.RuleSet used on opensource projects

Example 1 with RuleSet

use of org.apache.calcite.tools.RuleSet in project drill by axbaretto.

the class DefaultSqlHandler method transform.

/**
 * Transform RelNode to a new RelNode, targeting the provided set of traits. Also will log the outcome if asked.
 *
 * @param plannerType
 *          The type of Planner to use.
 * @param phase
 *          The transformation phase we're running.
 * @param input
 *          The origianl RelNode
 * @param targetTraits
 *          The traits we are targeting for output.
 * @param log
 *          Whether to log the planning phase.
 * @return The transformed relnode.
 */
protected RelNode transform(PlannerType plannerType, PlannerPhase phase, RelNode input, RelTraitSet targetTraits, boolean log) {
    final Stopwatch watch = Stopwatch.createStarted();
    final RuleSet rules = config.getRules(phase);
    final RelTraitSet toTraits = targetTraits.simplify();
    final RelNode output;
    switch(plannerType) {
        case HEP_BOTTOM_UP:
        case HEP:
            {
                final HepProgramBuilder hepPgmBldr = new HepProgramBuilder();
                if (plannerType == PlannerType.HEP_BOTTOM_UP) {
                    hepPgmBldr.addMatchOrder(HepMatchOrder.BOTTOM_UP);
                }
                for (RelOptRule rule : rules) {
                    hepPgmBldr.addRuleInstance(rule);
                }
                // Set noDAG = true to avoid caching problems which lead to incorrect Drill work.
                final HepPlanner planner = new HepPlanner(hepPgmBldr.build(), context.getPlannerSettings(), true, null, RelOptCostImpl.FACTORY);
                JaninoRelMetadataProvider relMetadataProvider = JaninoRelMetadataProvider.of(DrillDefaultRelMetadataProvider.INSTANCE);
                RelMetadataQuery.THREAD_PROVIDERS.set(relMetadataProvider);
                // Modify RelMetaProvider for every RelNode in the SQL operator Rel tree.
                input.accept(new MetaDataProviderModifier(relMetadataProvider));
                planner.setRoot(input);
                if (!input.getTraitSet().equals(targetTraits)) {
                    planner.changeTraits(input, toTraits);
                }
                output = planner.findBestExp();
                break;
            }
        case VOLCANO:
        default:
            {
                // as weird as it seems, the cluster's only planner is the volcano planner.
                final RelOptPlanner planner = input.getCluster().getPlanner();
                final Program program = Programs.of(rules);
                Preconditions.checkArgument(planner instanceof VolcanoPlanner, "Cluster is expected to be constructed using VolcanoPlanner. Was actually of type %s.", planner.getClass().getName());
                output = program.run(planner, input, toTraits, ImmutableList.<RelOptMaterialization>of(), ImmutableList.<RelOptLattice>of());
                break;
            }
    }
    if (log) {
        log(plannerType, phase, output, logger, watch);
    }
    return output;
}

Example 2 with RuleSet

use of org.apache.calcite.tools.RuleSet in project drill by apache.

the class DefaultSqlHandler method transform.

/**
 * Transform RelNode to a new RelNode, targeting the provided set of traits. Also will log the outcome if asked.
 *
 * @param plannerType The type of Planner to use.
 * @param phase The transformation phase we're running.
 * @param input The original RelNode
 * @param targetTraits The traits we are targeting for output.
 * @param log Whether to log the planning phase.
 * @return The transformed relnode.
 */
protected RelNode transform(PlannerType plannerType, PlannerPhase phase, RelNode input, RelTraitSet targetTraits, boolean log) {
    final Stopwatch watch = Stopwatch.createStarted();
    final RuleSet rules = config.getRules(phase);
    final RelTraitSet toTraits = targetTraits.simplify();
    final RelNode output;
    switch(plannerType) {
        case HEP_BOTTOM_UP:
        case HEP:
            {
                final HepProgramBuilder hepPgmBldr = new HepProgramBuilder();
                if (plannerType == PlannerType.HEP_BOTTOM_UP) {
                    hepPgmBldr.addMatchOrder(HepMatchOrder.BOTTOM_UP);
                }
                for (RelOptRule rule : rules) {
                    hepPgmBldr.addRuleInstance(rule);
                }
                // Set noDAG = true to avoid caching problems which lead to incorrect Drill work.
                final HepPlanner planner = new HepPlanner(hepPgmBldr.build(), context.getPlannerSettings(), true, null, RelOptCostImpl.FACTORY);
                JaninoRelMetadataProvider relMetadataProvider = Utilities.registerJaninoRelMetadataProvider();
                // Modify RelMetaProvider for every RelNode in the SQL operator Rel tree.
                input.accept(new MetaDataProviderModifier(relMetadataProvider));
                planner.setRoot(input);
                if (!input.getTraitSet().equals(targetTraits)) {
                    planner.changeTraits(input, toTraits);
                }
                output = planner.findBestExp();
                break;
            }
        case VOLCANO:
        default:
            {
                // as weird as it seems, the cluster's only planner is the volcano planner.
                final RelOptPlanner planner = input.getCluster().getPlanner();
                final Program program = Programs.of(rules);
                Preconditions.checkArgument(planner instanceof VolcanoPlanner, "Cluster is expected to be constructed using VolcanoPlanner. Was actually of type %s.", planner.getClass().getName());
                output = program.run(planner, input, toTraits, ImmutableList.of(), ImmutableList.of());
                break;
            }
    }
    if (log) {
        log(plannerType, phase, output, logger, watch);
    }
    return output;
}

Example 3 with RuleSet

use of org.apache.calcite.tools.RuleSet in project beam by apache.

the class ZetaSQLQueryPlanner method defaultConfig.

private static FrameworkConfig defaultConfig(JdbcConnection connection, Collection<RuleSet> ruleSets) {
    final CalciteConnectionConfig config = connection.config();
    final SqlParser.ConfigBuilder parserConfig = SqlParser.configBuilder().setQuotedCasing(config.quotedCasing()).setUnquotedCasing(config.unquotedCasing()).setQuoting(config.quoting()).setConformance(config.conformance()).setCaseSensitive(config.caseSensitive());
    final SqlParserImplFactory parserFactory = config.parserFactory(SqlParserImplFactory.class, null);
    if (parserFactory != null) {
        parserConfig.setParserFactory(parserFactory);
    }
    final SchemaPlus schema = connection.getRootSchema();
    final SchemaPlus defaultSchema = connection.getCurrentSchemaPlus();
    final ImmutableList<RelTraitDef> traitDefs = ImmutableList.of(ConventionTraitDef.INSTANCE);
    final CalciteCatalogReader catalogReader = new CalciteCatalogReader(CalciteSchema.from(schema), ImmutableList.of(defaultSchema.getName()), connection.getTypeFactory(), connection.config());
    final SqlOperatorTable opTab0 = connection.config().fun(SqlOperatorTable.class, SqlStdOperatorTable.instance());
    return Frameworks.newConfigBuilder().parserConfig(parserConfig.build()).defaultSchema(defaultSchema).traitDefs(traitDefs).ruleSets(ruleSets.toArray(new RuleSet[0])).costFactory(BeamCostModel.FACTORY).typeSystem(connection.getTypeFactory().getTypeSystem()).operatorTable(SqlOperatorTables.chain(opTab0, catalogReader)).build();
}

Example 4 with RuleSet

use of org.apache.calcite.tools.RuleSet in project beam by apache.

the class ThreeTablesSchema method testBeamJoinAssociationRule.

@Test
public void testBeamJoinAssociationRule() throws Exception {
    RuleSet prepareRules = RuleSets.ofList(CoreRules.SORT_PROJECT_TRANSPOSE, EnumerableRules.ENUMERABLE_JOIN_RULE, EnumerableRules.ENUMERABLE_PROJECT_RULE, EnumerableRules.ENUMERABLE_SORT_RULE, EnumerableRules.ENUMERABLE_TABLE_SCAN_RULE);
    String sqlQuery = "select * from \"tt\".\"large_table\" as large_table " + " JOIN \"tt\".\"medium_table\" as medium_table on large_table.\"medium_key\" = medium_table.\"large_key\" " + " JOIN \"tt\".\"small_table\" as small_table on medium_table.\"small_key\" = small_table.\"medium_key\" ";
    RelNode originalPlan = transform(sqlQuery, prepareRules);
    RelNode optimizedPlan = transform(sqlQuery, RuleSets.ofList(ImmutableList.<RelOptRule>builder().addAll(prepareRules).add(BeamJoinAssociateRule.INSTANCE).build()));
    assertTopTableInJoins(originalPlan, "small_table");
    assertTopTableInJoins(optimizedPlan, "large_table");
}

Example 5 with RuleSet

use of org.apache.calcite.tools.RuleSet in project beam by apache.

the class ZetaSqlTestBase method initialize.

protected void initialize() {
    JdbcConnection jdbcConnection = JdbcDriver.connect(createBeamTableProvider(), PipelineOptionsFactory.create());
    this.config = Frameworks.newConfigBuilder().defaultSchema(jdbcConnection.getCurrentSchemaPlus()).traitDefs(ImmutableList.of(ConventionTraitDef.INSTANCE)).context(Contexts.of(jdbcConnection.config())).ruleSets(ZetaSQLQueryPlanner.getZetaSqlRuleSets().toArray(new RuleSet[0])).costFactory(BeamCostModel.FACTORY).typeSystem(jdbcConnection.getTypeFactory().getTypeSystem()).build();
}