Package org.apache.tajo.algebra

Examples of org.apache.tajo.algebra.JoinType

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    LogicalNode left = joinNode.getRightChild();
    LogicalNode right = joinNode.getLeftChild();

    // here we should stop selection pushdown on the null supplying side(s) of an outer join
    // get the two operands of the join operation as well as the join type
    JoinType joinType = joinNode.getJoinType();
    EvalNode joinQual = joinNode.getJoinQual();
    if (joinQual != null && isOuterJoin(joinType)) {

      // if both are fields
       if (joinQual.getLeftExpr().getType() == EvalType.FIELD && joinQual.getRightExpr().getType() == EvalType.FIELD) {
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    LogicalNode left = joinNode.getRightChild();
    LogicalNode right = joinNode.getLeftChild();

    // here we should stop selection pushdown on the null supplying side(s) of an outer join
    // get the two operands of the join operation as well as the join type
    JoinType joinType = joinNode.getJoinType();
    EvalNode joinQual = joinNode.getJoinQual();
    if (joinQual != null && isOuterJoin(joinType)) {

      // if both are fields
      if (joinQual.getLeftExpr().getType() == EvalType.FIELD && joinQual.getRightExpr().getType() == EvalType.FIELD) {
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Related Classes of org.apache.tajo.algebra.JoinType

  • org.apache.tajo.engine.planner.rewrite.FilterPushDownRule
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