Package org.apache.pig.newplan.logical.expression

Examples of org.apache.pig.newplan.logical.expression.UserFuncExpression

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        LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
        //  Generate a filter condition.
        LogicalExpression konst = new ConstantExpression( filterPlan, value);
        konst.setLocation( valLoc );
        UserFuncExpression udf = new UserFuncExpression( filterPlan, new FuncSpec( RANDOM.class.getName() ) );
        new LessThanEqualExpression( filterPlan, udf, konst );
        LOFilter filter = new LOFilter( plan );
        return buildFilterOp( loc, filter, alias, inputAlias, filterPlan );
    }
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        if( funcSpec == null ) {
            funcName = func.getClass().getName();
            funcSpec = new FuncSpec( funcName );
        }
       
        LogicalExpression le = new UserFuncExpression( plan, funcSpec, args );
        le.setLocation( loc );
        return le;
    }
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        @Override
        public void transform(OperatorPlan matched) throws FrontendException {
            for (LogicalExpressionPlan expPlan : expPlansToInsertIdentity) {
                LogicalExpression oldRoot = (LogicalExpression)expPlan.getSources().get(0);
                UserFuncExpression userFuncExpression = new UserFuncExpression(expPlan, new FuncSpec(IdentityColumn.class.getName()));
                expPlan.connect(userFuncExpression, oldRoot);
            }
            expPlansToInsertIdentity.clear();

            // Since we adjust the uid layout, clear all cached uids
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Related Classes of org.apache.pig.newplan.logical.expression.UserFuncExpression

  • org.apache.pig.FuncSpec
  • org.apache.pig.impl.logicalLayer.schema.Schema
  • org.apache.pig.newplan.logical.LogicalExpPlanMigrationVistor
  • org.apache.pig.newplan.logical.relational.LogicalRelationalOperator
  • org.apache.pig.newplan.logical.relational.LogicalSchema
  • org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema
  • org.apache.pig.newplan.logical.rules.ConstantCalculator$ConstantCalculatorTransformer$ConstantCalculatorExpressionVisitor
  • org.apache.pig.newplan.logical.rules.DuplicateForEachColumnRewrite$DuplicateForEachColumnRewriteTransformer
  • org.apache.pig.newplan.logical.visitor.DuplicateForEachColumnRewriteVisitor
  • org.apache.pig.parser.LogicalPlanBuilder
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