Package org.apache.pig.backend.hadoop.executionengine.tez.plan.operator

Examples of org.apache.pig.backend.hadoop.executionengine.tez.plan.operator.POValueOutputTez.copyAliasFrom()

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                }
            }

            // Need to add POValueOutputTez to the end of the last tezOp
            POValueOutputTez output = new POValueOutputTez(OperatorKey.genOpKey(scope));
            output.copyAliasFrom(op);
            curTezOp.plan.addAsLeaf(output);
            TezOperator prevOp = curTezOp;

            // Mark the start of a new TezOperator which will do the actual limiting with 1 task.
            blocking();
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            // If Order by followed by Limit and parallelism of order by is not 1
            // add a new vertex for Limit with parallelism 1.
            // Equivalent of LimitAdjuster.java in MR
            if (op.isLimited() && rp != 1) {
                POValueOutputTez output = new POValueOutputTez(OperatorKey.genOpKey(scope));
                output.copyAliasFrom(op);
                sortOpers[1].plan.addAsLeaf(output);

                TezOperator limitOper = getTezOp();
                tezPlan.add(limitOper);
                curTezOp = limitOper;
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            } else {
                splitsSeen.put(op.getOperatorKey(), splitOp);
                splitOp.setSplitter(true);
                phyToTezOpMap.put(op, splitOp);
                output = new POValueOutputTez(OperatorKey.genOpKey(scope));
                output.copyAliasFrom(op);
                splitOp.plan.addAsLeaf(output);
            }
            curTezOp = getTezOp();
            curTezOp.setSplitParent(splitOp.getOperatorKey());
            tezPlan.add(curTezOp);
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