Examples of RelNode

Examples of org.eigenbase.rel.RelNode

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/**
* Unit tests for methods in {@link Frameworks}.
*/
public class FrameworksTest {
  @Test public void testOptimize() {
    RelNode x =
        Frameworks.withPlanner(new Frameworks.PlannerAction<RelNode>() {
          public RelNode apply(RelOptCluster cluster,
              RelOptSchema relOptSchema,
              SchemaPlus rootSchema) {
            final RelDataTypeFactory typeFactory = cluster.getTypeFactory();
            final Table table = new AbstractTable() {
              public RelDataType getRowType(RelDataTypeFactory typeFactory) {
                final RelDataType stringType =
                    typeFactory.createJavaType(String.class);
                final RelDataType integerType =
                    typeFactory.createJavaType(Integer.class);
                return typeFactory.builder()
                    .add("s", stringType)
                    .add("i", integerType)
                    .build();
              }
            };

            // "SELECT * FROM myTable"
            final RelOptAbstractTable relOptTable = new RelOptAbstractTable(
                relOptSchema,
                "myTable",
                table.getRowType(typeFactory)) {
            };
            final JavaRules.EnumerableTableAccessRel tableRel =
                new JavaRules.EnumerableTableAccessRel(
                    cluster, cluster.traitSetOf(EnumerableConvention.INSTANCE),
                    relOptTable, Object[].class);

            // "WHERE i > 1"
            final RexBuilder rexBuilder = cluster.getRexBuilder();
            final RexNode condition =
                rexBuilder.makeCall(SqlStdOperatorTable.GREATER_THAN,
                    rexBuilder.makeFieldAccess(
                        rexBuilder.makeRangeReference(tableRel), "i", true),
                    rexBuilder.makeExactLiteral(BigDecimal.ONE));
            final FilterRel filterRel =
                new FilterRel(cluster, tableRel, condition);

            // Specify that the result should be in Enumerable convention.
            final RelNode rootRel = filterRel;
            final RelOptPlanner planner = cluster.getPlanner();
            RelTraitSet desiredTraits = rootRel.getTraitSet().replace(
                EnumerableConvention.INSTANCE);
            final RelNode rootRel2 = planner.changeTraits(rootRel,
                desiredTraits);
            planner.setRoot(rootRel2);

            // Now, plan.
            return planner.findBestExp();
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Examples of org.eigenbase.rel.RelNode

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    return instance;
  }

  public RelNode flattenTypes(RelOptPlanner planner, RelNode rootRel,
      boolean restructure) {
    RelNode root2 =
        planner.changeTraits(rootRel,
            rootRel.getTraitSet().plus(SparkRel.CONVENTION));
    return planner.changeTraits(root2, rootRel.getTraitSet());
  }
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Examples of org.eigenbase.rel.RelNode

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    final String message =
        "With materializationsEnabled=" + materializationsEnabled;
    Hook.Closeable closeable = Hook.TRIMMED.addThread(
        new Function1<Object, Object>() {
          public Object apply(Object a0) {
            RelNode rel = (RelNode) a0;
            convertChecker.apply(rel);
            return null;
          }
        });
    try {
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Examples of org.eigenbase.rel.RelNode

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  private RelNode expandView(
      RelOptTable.ToRelContext preparingStmt,
      RelDataType rowType,
      String queryString) {
    try {
      RelNode rel = preparingStmt.expandView(rowType, queryString, schemaPath);

      rel = RelOptUtil.createCastRel(rel, rowType, true);
      //rel = viewExpander.flattenTypes(rel, false);
      return rel;
    } catch (Throwable e) {
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Examples of org.eigenbase.rel.RelNode

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/**
* Unit tests for methods in {@link Frameworks}.
*/
public class FrameworksTest {
  @Test public void testOptimize() {
    RelNode x =
        Frameworks.withPlanner(new Frameworks.PlannerAction<RelNode>() {
          public RelNode apply(RelOptCluster cluster,
              RelOptSchema relOptSchema,
              SchemaPlus rootSchema) {
            final RelDataTypeFactory typeFactory = cluster.getTypeFactory();
            final Table table = new AbstractTable() {
              public RelDataType getRowType(RelDataTypeFactory typeFactory) {
                final RelDataType stringType =
                    typeFactory.createJavaType(String.class);
                final RelDataType integerType =
                    typeFactory.createJavaType(Integer.class);
                return typeFactory.builder()
                    .add("s", stringType)
                    .add("i", integerType)
                    .build();
              }
            };

            // "SELECT * FROM myTable"
            final RelOptAbstractTable relOptTable = new RelOptAbstractTable(
                relOptSchema,
                "myTable",
                table.getRowType(typeFactory)) {
            };
            final JavaRules.EnumerableTableAccessRel tableRel =
                new JavaRules.EnumerableTableAccessRel(
                    cluster, cluster.traitSetOf(EnumerableConvention.INSTANCE),
                    relOptTable, Object[].class);

            // "WHERE i > 1"
            final RexBuilder rexBuilder = cluster.getRexBuilder();
            final RexNode condition =
                rexBuilder.makeCall(SqlStdOperatorTable.GREATER_THAN,
                    rexBuilder.makeFieldAccess(
                        rexBuilder.makeRangeReference(tableRel), "i", true),
                    rexBuilder.makeExactLiteral(BigDecimal.ONE));
            final FilterRel filterRel =
                new FilterRel(cluster, tableRel, condition);

            // Specify that the result should be in Enumerable convention.
            final RelNode rootRel = filterRel;
            final RelOptPlanner planner = cluster.getPlanner();
            RelTraitSet desiredTraits = rootRel.getTraitSet().replace(
                EnumerableConvention.INSTANCE);
            final RelNode rootRel2 = planner.changeTraits(rootRel,
                desiredTraits);
            planner.setRoot(rootRel2);

            // Now, plan.
            return planner.findBestExp();
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Examples of org.eigenbase.rel.RelNode

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        .addRuleInstance(PushFilterPastProjectRule.INSTANCE)
        .addRuleInstance(PushFilterPastSetOpRule.INSTANCE)
        .build();
    HepPlanner planner = new HepPlanner(program);

    RelNode relInitial = tester.convertSqlToRel(sql);

    assertTrue(relInitial != null);

    List<RelMetadataProvider> list = Lists.newArrayList();
    DefaultRelMetadataProvider defaultProvider =
        new DefaultRelMetadataProvider();
    list.add(defaultProvider);
    planner.registerMetadataProviders(list);
    RelMetadataProvider plannerChain = ChainedRelMetadataProvider.of(list);
    relInitial.getCluster().setMetadataProvider(
        new CachingRelMetadataProvider(plannerChain, planner));

    planner.setRoot(relInitial);
    RelNode relAfter = planner.findBestExp();

    String planBefore = NL + RelOptUtil.toString(relAfter);
    diffRepos.assertEquals("planBefore", "${planBefore}", planBefore);

    HepProgram program2 = new HepProgramBuilder()
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Examples of org.eigenbase.rel.RelNode

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  //~ Methods ----------------------------------------------------------------

  public void onMatch(final RelOptRuleCall call) {
    final JoinRelBase topJoin = call.rel(0);
    final JoinRelBase bottomJoin = call.rel(1);
    final RelNode relA = bottomJoin.getLeft();
    final RelNode relB = bottomJoin.getRight();
    final RelSubset relC = call.rel(2);
    final RelOptCluster cluster = topJoin.getCluster();
    final RexBuilder rexBuilder = cluster.getRexBuilder();

    if (relC.getConvention() != relA.getConvention()) {
      // relC could have any trait-set. But if we're matching say
      // EnumerableConvention, we're only interested in enumerable subsets.
      return;
    }

    //        topJoin
    //        /     \
    //   bottomJoin  C
    //    /    \
    //   A      B

    final int aCount = relA.getRowType().getFieldCount();
    final int bCount = relB.getRowType().getFieldCount();
    final int cCount = relC.getRowType().getFieldCount();
    final BitSet aBitSet = BitSets.range(0, aCount);
    final BitSet bBitSet = BitSets.range(aCount, aCount + bCount);

    if (!topJoin.getSystemFieldList().isEmpty()) {
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Examples of org.eigenbase.rel.RelNode

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  @Override
  public void onMatch(RelOptRuleCall call) {
    final ProjectRelBase project = call.rel(0);
    final JoinRelBase join = call.rel(1);
    final RelNode left = call.rel(2);
    final AggregateRelBase aggregate = call.rel(3);
    final BitSet bits = RelOptUtil.InputFinder.bits(project.getProjects(),
        null);
    final BitSet rightBits = BitSets.range(left.getRowType().getFieldCount(),
        join.getRowType().getFieldCount());
    if (bits.intersects(rightBits)) {
      return;
    }
    final JoinInfo joinInfo = join.analyzeCondition();
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Examples of org.eigenbase.rel.RelNode

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        && preds.rightInferredPredicates.isEmpty()) {
      return;
    }

    RexBuilder rB = join.getCluster().getRexBuilder();
    RelNode lChild = join.getLeft();
    RelNode rChild = join.getRight();

    if (preds.leftInferredPredicates.size() > 0) {
      RelNode curr = lChild;
      lChild = filterFactory.createFilter(lChild,
          RexUtil.composeConjunction(rB, preds.leftInferredPredicates, false));
      call.getPlanner().onCopy(curr, lChild);
    }

    if (preds.rightInferredPredicates.size() > 0) {
      RelNode curr = rChild;
      rChild = filterFactory.createFilter(rChild,
          RexUtil.composeConjunction(rB, preds.rightInferredPredicates, false));
      call.getPlanner().onCopy(curr, rChild);
    }

    RelNode newRel = join.copy(join.getTraitSet(), join.getCondition(),
        lChild, rChild, join.getJoinType(), join.isSemiJoinDone());
    call.getPlanner().onCopy(join, newRel);

    call.transformTo(newRel);
  }
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Examples of org.eigenbase.rel.RelNode

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  private RelNode expandView(
      RelOptTable.ToRelContext preparingStmt,
      RelDataType rowType,
      String queryString) {
    try {
      RelNode rel = preparingStmt.expandView(rowType, queryString, schemaPath);

      rel = RelOptUtil.createCastRel(rel, rowType, true);
      //rel = viewExpander.flattenTypes(rel, false);
      return rel;
    } catch (Throwable e) {
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