Package org.apache.pig.newplan.logical.relational

Examples of org.apache.pig.newplan.logical.relational.LOFilter

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    Map<String, Operator> getOperators() {
        return operators;
    }
   
    LOFilter createFilterOp() {
        return new LOFilter( plan );
    }
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        //  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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    private long getNextId() {
        return nodeIdGen.getNextNodeId( scope );
    }

    static LOFilter createNestedFilterOp(LogicalPlan plan) {
        return new LOFilter( plan );
    }
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    Map<String, Operator> getOperators() {
        return operators;
    }

    LOFilter createFilterOp() {
        return new LOFilter( plan );
    }
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    LOLimit createLimitOp() {
        return new LOLimit( plan );
    }

    LOFilter createSampleOp() {
        return new LOFilter( plan, true );
    }
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        //  Generate a filter condition.
        LogicalExpression konst = new ConstantExpression( filterPlan, value);
        konst.setLocation( valLoc );
        UserFuncExpression udf = new UserFuncExpression( filterPlan, new FuncSpec( RANDOM.class.getName() ) );
        new LessThanExpression( filterPlan, udf, konst );
        LOFilter filter = new LOFilter( plan, true );
        return buildFilterOp( loc, filter, alias, inputAlias, filterPlan );
    }
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    private long getNextId() {
        return getNextId(scope);
    }

    static LOFilter createNestedFilterOp(LogicalPlan plan) {
        return new LOFilter( plan );
    }
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        j1.setAlias("C");
        plan.add(j1);
       
        // build an expression with no AND
        LogicalExpressionPlan p3 = new LogicalExpressionPlan();
        LogicalRelationalOperator f1 = new LOFilter(plan, p3);
       
        LogicalExpression lp3 = new ProjectExpression(p3, 0, 2, f1);
        LogicalExpression cont = new ConstantExpression(p3, new Integer(3));
        p3.add(lp3);
        p3.add(cont);      
        LogicalExpression eq = new EqualExpression(p3, lp3, cont);       
       
       
        f1.setAlias("D");
        plan.add(f1);
       
        LogicalRelationalOperator s1 = new LOStore(plan, null, null, null);
        plan.add(s1);      
       
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        Assert.assertEquals("checking partition filter:",
                "(((srcid == 10) and (mrkt > '1')) and (mrkt < '5'))",
                TestLoader.partFilter.toString());
        Operator op = newLogicalPlan.getSinks().get(0);
        LOFilter filter = (LOFilter)newLogicalPlan.getPredecessors(op).get(0);

        String actual =
                getTestExpression((LogicalExpression) filter.getFilterPlan().
                        getSources().get(0)).toString();
        Assert.assertEquals("checking trimmed filter expression:",
                "(browser#'type' == IE)", actual);
    }
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            Assert.assertTrue(TestLoader.partFilter == null);
        }

        if (filterExpr != null) {
            Operator op = newLogicalPlan.getSinks().get(0);
            LOFilter filter = (LOFilter)newLogicalPlan.getPredecessors(op).get(0);

            String actual =
                    FilterExtractor.getExpression((LogicalExpression) filter.getFilterPlan().
                            getSources().get(0)).toString();
            Assert.assertEquals("checking trimmed filter expression:",
                    filterExpr, actual);
        } else {
            Iterator<Operator> it = newLogicalPlan.getOperators();
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  • org.apache.pig.newplan.logical.rules.FilterConstantCalculator
  • org.apache.pig.newplan.logical.rules.LogicalExpressionSimplifier
  • org.apache.pig.newplan.logical.rules.LogicalExpressionSimplifier$LogicalExpressionSimplifierTransformer
  • org.apache.pig.newplan.logical.rules.MergeFilter
  • org.apache.pig.newplan.logical.rules.MergeFilter$MergeFilterTransformer
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