Package org.apache.pig.impl.logicalLayer

Examples of org.apache.pig.impl.logicalLayer.LogicalPlan.disconnect()

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        LogicalPlan currentPlan =  (LogicalPlan) mCurrentWalker.getPlan() ;
        collectCastWarning(rg, DataType.BYTEARRAY, DataType.CHARARRAY) ;
        OperatorKey newKey = genNewOperatorKey(rg) ;
        LOCast cast = new LOCast(currentPlan, newKey, rg.getOperand(), DataType.CHARARRAY) ;
        currentPlan.add(cast) ;
        currentPlan.disconnect(rg.getOperand(), rg) ;
        try {
            currentPlan.connect(rg.getOperand(), cast) ;
            currentPlan.connect(cast, rg) ;
        }
        catch (PlanException pe) {
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                           binOp.getLhsOperand().getType(),
                           toType) ;
        OperatorKey newKey = genNewOperatorKey(binOp) ;
        LOCast cast = new LOCast(currentPlan, newKey, binOp.getLhsOperand(), toType) ;
        currentPlan.add(cast) ;
        currentPlan.disconnect(binOp.getLhsOperand(), binOp) ;
        try {
            currentPlan.connect(binOp.getLhsOperand(), cast) ;
            currentPlan.connect(cast, binOp) ;
            binOp.setLhsOperand(cast);
        }
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                           binOp.getRhsOperand().getType(),
                           toType) ;
        OperatorKey newKey = genNewOperatorKey(binOp) ;
        LOCast cast = new LOCast(currentPlan, newKey, binOp.getRhsOperand(), toType) ;
        currentPlan.add(cast) ;
        currentPlan.disconnect(binOp.getRhsOperand(), binOp) ;
        try {
            currentPlan.connect(binOp.getRhsOperand(), cast) ;
            currentPlan.connect(cast, binOp) ;
            binOp.setRhsOperand(cast);
        }
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        ExpressionOperator input = (ExpressionOperator) list.get(0) ;               
        OperatorKey newKey = genNewOperatorKey(uniOp) ;
        LOCast cast = new LOCast(currentPlan, newKey, input, toType) ;
       
        currentPlan.add(cast);
        currentPlan.disconnect(input, uniOp) ;
        try {
            currentPlan.connect(input, cast) ;
            currentPlan.connect(cast, uniOp) ;
        }
        catch (PlanException pe) {
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