Package net.hydromatic.optiq.rules.java.JavaRules

Examples of net.hydromatic.optiq.rules.java.JavaRules.EnumerableTableAccessRel

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  @Override
  public void onMatch(RelOptRuleCall call) {
    final ProjectRel proj = (ProjectRel) call.rel(0);
    final EnumerableTableAccessRel scan = (EnumerableTableAccessRel) call.rel(1);

    try {
      ProjectPushInfo columnInfo = PrelUtil.getColumns(scan.getRowType(), proj.getProjects());

      if(columnInfo == null || columnInfo.isStarQuery() //
          || !scan.getTable().unwrap(DrillTable.class) //
          .getGroupScan().canPushdownProjects(columnInfo.columns)) return;

      final DrillScanRel newScan =
          new DrillScanRel(scan.getCluster(),
              scan.getTraitSet().plus(DrillRel.DRILL_LOGICAL),
              scan.getTable(),
              columnInfo.createNewRowType(proj.getChild().getCluster().getTypeFactory()),
              columnInfo.columns);


      List<RexNode> newProjects = Lists.newArrayList();
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    super(RelOptHelper.any(EnumerableTableAccessRel.class), "DrillTableRule");
  }

  @Override
  public void onMatch(RelOptRuleCall call) {
    final EnumerableTableAccessRel access = (EnumerableTableAccessRel) call.rel(0);
    final RelTraitSet traits = access.getTraitSet().plus(DrillRel.DRILL_LOGICAL);
    call.transformTo(new DrillScanRel(access.getCluster(), traits, access.getTable()));
  }
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  @Override
  public void onMatch(RelOptRuleCall call) {
    final ProjectRel proj = (ProjectRel) call.rel(0);
    final EnumerableTableAccessRel scan = (EnumerableTableAccessRel) call.rel(1);

    try {
      ProjectPushInfo columnInfo = PrelUtil.getColumns(scan.getRowType(), proj.getProjects());

      if (columnInfo == null || columnInfo.isStarQuery() //
          || !scan.getTable().unwrap(DrillTable.class) //
          .getGroupScan().canPushdownProjects(columnInfo.columns)) {
        return;
      }

      final DrillScanRel newScan =
          new DrillScanRel(scan.getCluster(),
              scan.getTraitSet().plus(DrillRel.DRILL_LOGICAL),
              scan.getTable(),
              columnInfo.createNewRowType(proj.getChild().getCluster().getTypeFactory()),
              columnInfo.columns);


      List<RexNode> newProjects = Lists.newArrayList();
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    super(RelOptHelper.any(EnumerableTableAccessRel.class), "DrillTableRule");
  }

  @Override
  public void onMatch(RelOptRuleCall call) {
    final EnumerableTableAccessRel access = (EnumerableTableAccessRel) call.rel(0);
    final RelTraitSet traits = access.getTraitSet().plus(DrillRel.DRILL_LOGICAL);
    call.transformTo(new DrillScanRel(access.getCluster(), traits, access.getTable()));
  }
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Related Classes of net.hydromatic.optiq.rules.java.JavaRules.EnumerableTableAccessRel

  • org.apache.drill.exec.planner.logical.DrillPushProjIntoScan
  • org.apache.drill.exec.planner.logical.DrillScanRule
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