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

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

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        LogicalPlan lp = buildPlan( query );
        Operator store = lp.getSinks().get(0);
        LOForEach foreach = (LOForEach) lp.getPredecessors(store).get(0);
        LogicalPlan nestedPlan = foreach.getInnerPlan();
        LOGenerate gen = (LOGenerate) nestedPlan.getSinks().get(0);
        LOSort nestedSort = (LOSort)nestedPlan.getPredecessors(gen).get(0);
        LogicalExpressionPlan sortPlan = nestedSort.getSortColPlans().get(0);
        Assert.assertTrue(sortPlan.getSinks().size() == 1);
    }
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                       "b = group a by $0;" +
                       "c = order b by $1 ;" +
                       "store c into 'output';";
        LogicalPlan lp = buildPlan( query );
        Operator store = lp.getSinks().get(0);
        LOSort sort = (LOSort) lp.getPredecessors(store).get(0);
//        LOProject project1 = (LOProject) sort.getSortColPlans().get(0).getSinks().get(0) ;
//        LOCogroup cogroup = (LOCogroup) lp.getPredecessors(sort).get(0) ;
//        assertEquals(project1.getExpression(), cogroup) ;
    }
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        String query = "a = load 'one' as (name, age, gpa);" +
        "b = order a by *;" + "store b into 'y';";

        LogicalPlan lp = buildPlan(query);
        Operator store = lp.getSinks().get(0);
        LOSort sort = (LOSort)lp.getPredecessors(store).get(0);

        for(LogicalExpressionPlan sortPlan: sort.getSortColPlans() ) {
            Assert.assertTrue(checkPlanForProjectStar(sortPlan) == false);
        }
    }
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        for(LogicalExpressionPlan foreachPlan: gen.getOutputPlans()) {
            Assert.assertTrue(checkPlanForProjectStar(foreachPlan) == true);
        }

        LogicalPlan foreachPlan = foreach.getInnerPlan();
        LOSort sort = (LOSort)foreachPlan.getPredecessors(gen).get(0);

        // project (*) operator here is translated to a list of projection
        // operators
        for(LogicalExpressionPlan sortPlan: sort.getSortColPlans()) {
            Assert.assertTrue(checkPlanForProjectStar(sortPlan) == false);
        }
    }
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            "store B into '111';";
       
        LogicalPlan lp = Util.parseAndPreprocess(query, pc);
        Util.optimizeNewLP(lp);
        LOStore loStore = (LOStore)lp.getSinks().get(0);
        LOSort loSort = (LOSort)lp.getPredecessors(loStore).get(0);
        Operator sortPlanLeaf = loSort.getSortColPlans().get(0).getSources().get(0);
        LogicalFieldSchema sortPlanFS = ((LogicalExpression)sortPlanLeaf).getFieldSchema();
        Assert.assertTrue(sortPlanFS==null);
       
        PhysicalPlan pp = Util.buildPhysicalPlanFromNewLP(lp, pc);
        POStore poStore = (POStore)pp.getLeaves().get(0);
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Related Classes of org.apache.pig.newplan.logical.relational.LOSort

  • org.apache.pig.newplan.logical.expression.LogicalExpressionPlan
  • org.apache.pig.newplan.logical.expression.ProjectExpression
  • org.apache.pig.newplan.logical.rules.LimitOptimizer$OptimizeLimitTransformer
  • org.apache.pig.newplan.logical.rules.PushDownForEachFlatten$PushDownForEachFlattenTransformer
  • org.apache.pig.newplan.logical.visitor.ResetProjectionAttachedRelationalOpVisitor
  • org.apache.pig.newplan.ReverseDependencyOrderWalker
  • org.apache.pig.parser.LogicalPlanBuilder
  • org.apache.pig.SortColInfo
  • org.apache.pig.SortInfo
  • org.apache.pig.test.TestLogicalPlanBuilder
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