Package org.apache.pig.experimental.logical.expression

Examples of org.apache.pig.experimental.logical.expression.AndExpression

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          ProjectExpression fanotherx = new ProjectExpression(filterPlan, DataType.INTEGER, 0, 0);
          fanotherx.neverUseForRealSetUid(1);
          ProjectExpression fa = new ProjectExpression(filterPlan, DataType.INTEGER, 0, 2);
          fa.neverUseForRealSetUid(3);
          EqualExpression eq2 = new EqualExpression(filterPlan, fanotherx, fa);
          AndExpression and1 = new AndExpression(filterPlan, eq1, eq2);
          ProjectExpression fb = new ProjectExpression(filterPlan, DataType.INTEGER, 0, 3);
          fb.neverUseForRealSetUid(4);
          ConstantExpression fc1 = new ConstantExpression(filterPlan, DataType.INTEGER, new Integer(1));
          EqualExpression eq3 = new EqualExpression(filterPlan, fb, fc1);
          AndExpression and2 = new AndExpression(filterPlan, and1, eq3);
          ProjectExpression fanotherb = new ProjectExpression(filterPlan, DataType.INTEGER, 0, 3);
          fanotherb.neverUseForRealSetUid(4);
          ProjectExpression fy = new ProjectExpression(filterPlan, DataType.INTEGER, 0, 1);
          fy.neverUseForRealSetUid(2);
          EqualExpression eq4 = new EqualExpression(filterPlan, fy, fanotherb);
          new AndExpression(filterPlan, and2, eq4);
       
          LOFilter D = new LOFilter(lp, filterPlan);
          D.neverUseForRealSetSchema(cschema);
          // Connect D to B, since the transform has happened.
          lp.add(D);
          lp.connect(C, D);
        }
       
        LogicalPlanOptimizer optimizer = new LogicalPlanOptimizer(lp, 500);
        optimizer.optimize();
       
        LogicalPlan expected = new LogicalPlan();
        {
            // A = load
          LogicalSchema aschema = new LogicalSchema();
          aschema.addField(new LogicalSchema.LogicalFieldSchema(
              "x", null, DataType.INTEGER));
          aschema.addField(new LogicalSchema.LogicalFieldSchema(
              "y", null, DataType.INTEGER));
          aschema.getField(0).uid = 1;
          aschema.getField(1).uid = 2;
          LOLoad A = new LOLoad(new FileSpec("bla", new FuncSpec("PigStorage", "\t")), aschema, expected);
          expected.add(A);
         
          // DA = filter
          LogicalExpressionPlan DAfilterPlan = new LogicalExpressionPlan();
          ProjectExpression fx = new ProjectExpression(DAfilterPlan, DataType.INTEGER, 0, 0);
          fx.neverUseForRealSetUid(1);
          ConstantExpression fc0 = new ConstantExpression(DAfilterPlan, DataType.INTEGER, new Integer(0));
          new EqualExpression(DAfilterPlan, fx, fc0);
         
          LOFilter DA = new LOFilter(expected, DAfilterPlan);
          DA.neverUseForRealSetSchema(aschema);
          expected.add(DA);
          expected.connect(A, DA);
         
          // B = load
          LogicalSchema bschema = new LogicalSchema();
          bschema.addField(new LogicalSchema.LogicalFieldSchema(
              "a", null, DataType.INTEGER));
          bschema.addField(new LogicalSchema.LogicalFieldSchema(
              "b", null, DataType.INTEGER));
          bschema.getField(0).uid = 3;
          bschema.getField(1).uid = 4;
          LOLoad B = new LOLoad(null, bschema, expected);
          expected.add(B);
         
          // DB = filter
          LogicalExpressionPlan DBfilterPlan = new LogicalExpressionPlan();
          ProjectExpression fb = new ProjectExpression(DBfilterPlan, DataType.INTEGER, 0, 1);
          fb.neverUseForRealSetUid(4);
          ConstantExpression fc1 = new ConstantExpression(DBfilterPlan, DataType.INTEGER, new Integer(1));
          new EqualExpression(DBfilterPlan, fb, fc1);
         
          LOFilter DB = new LOFilter(expected, DBfilterPlan);
          DB.neverUseForRealSetSchema(bschema);
          expected.add(DB);
          expected.connect(B, DB);
         
          // C = join
          LogicalSchema cschema = new LogicalSchema();
          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "x", null, DataType.INTEGER));
          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "y", null, DataType.INTEGER));
          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "a", null, DataType.INTEGER));
          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "b", null, DataType.INTEGER));
          cschema.getField(0).uid = 1;
          cschema.getField(1).uid = 2;
          cschema.getField(2).uid = 3;
          cschema.getField(3).uid = 4;
          LogicalExpressionPlan aprojplan = new LogicalExpressionPlan();
          ProjectExpression x = new ProjectExpression(aprojplan, DataType.INTEGER, 0, 0);
          x.neverUseForRealSetUid(1);
          LogicalExpressionPlan bprojplan = new LogicalExpressionPlan();
          ProjectExpression y = new ProjectExpression(bprojplan, DataType.INTEGER, 1, 0);
          y.neverUseForRealSetUid(3);
          MultiMap<Integer, LogicalExpressionPlan> mm =
              new MultiMap<Integer, LogicalExpressionPlan>();
          mm.put(0, aprojplan);
          mm.put(1, bprojplan);
          LOJoin C = new LOJoin(expected, mm, JOINTYPE.HASH, new boolean[] {true, true});
          C.neverUseForRealSetSchema(cschema);
          expected.add(C);
          expected.connect(DA, C);
          expected.connect(DB, C);
         
          // D = filter
          LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
          ProjectExpression fanotherx = new ProjectExpression(filterPlan, DataType.INTEGER, 0, 0);
          fanotherx.neverUseForRealSetUid(1);
          ProjectExpression fa = new ProjectExpression(filterPlan, DataType.INTEGER, 0, 2);
          fa.neverUseForRealSetUid(3);
          EqualExpression eq2 = new EqualExpression(filterPlan, fanotherx, fa);
          ProjectExpression fanotherb = new ProjectExpression(filterPlan, DataType.INTEGER, 0, 3);
          fanotherb.neverUseForRealSetUid(4);
          ProjectExpression fy = new ProjectExpression(filterPlan, DataType.INTEGER, 0, 1);
          fy.neverUseForRealSetUid(2);
          EqualExpression eq4 = new EqualExpression(filterPlan, fy, fanotherb);
          new AndExpression(filterPlan, eq2, eq4);
         
          LOFilter D = new LOFilter(expected, filterPlan);
          D.neverUseForRealSetSchema(cschema);
          expected.add(D);
          expected.connect(C, D);
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        LogicalExpressionPlan ep = new LogicalExpressionPlan();
        ConstantExpression c = new ConstantExpression(ep, DataType.INTEGER, new Integer(5));
        ProjectExpression p = new ProjectExpression(ep, DataType.INTEGER, 0, 0);
        EqualExpression e = new EqualExpression(ep, p, c);
        ConstantExpression c2 = new ConstantExpression(ep, DataType.BOOLEAN, new Boolean("true"));
        new AndExpression(ep, e, c2);
       
        TestExpressionVisitor v = new TestExpressionVisitor(ep);
        v.visit();
        assertEquals("and equal project constant constant ", v.getVisitPlan());
    }
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        LogicalExpressionPlan ep1 = new LogicalExpressionPlan();
        ConstantExpression c1 = new ConstantExpression(ep1, DataType.INTEGER, new Integer(5));
        ProjectExpression p1 = new ProjectExpression(ep1, DataType.INTEGER, 0, 0);
        EqualExpression e1 = new EqualExpression(ep1, p1, c1);
        ConstantExpression ca1 = new ConstantExpression(ep1, DataType.BOOLEAN, new Boolean("true"));
        AndExpression a1 = new AndExpression(ep1, e1, ca1);
       
        LogicalExpressionPlan ep2 = new LogicalExpressionPlan();
        ConstantExpression c2 = new ConstantExpression(ep2, DataType.INTEGER, new Integer(5));
        ProjectExpression p2 = new ProjectExpression(ep2, DataType.INTEGER, 0, 0);
        EqualExpression e2 = new EqualExpression(ep2, p2, c2);
        ConstantExpression ca2 = new ConstantExpression(ep2, DataType.BOOLEAN, new Boolean("true"));
        AndExpression a2 = new AndExpression(ep2, e2, ca2);
       
        assertTrue(ep1.isEqual(ep2));
        assertTrue(c1.isEqual(c2));
        assertTrue(p1.isEqual(p2));
        assertTrue(e1.isEqual(e2));
        assertTrue(ca1.isEqual(ca2));
        assertTrue(a1.isEqual(a2));
       
        LogicalExpressionPlan ep3 = new LogicalExpressionPlan();
        ConstantExpression c3 = new ConstantExpression(ep3, DataType.INTEGER, new Integer(3));
        ProjectExpression p3 = new ProjectExpression(ep3, DataType.INTEGER, 0, 1);
        EqualExpression e3 = new EqualExpression(ep3, p3, c3);
        ConstantExpression ca3 = new ConstantExpression(ep3, DataType.CHARARRAY, "true");
        AndExpression a3 = new AndExpression(ep3, e3, ca3);
       
        assertFalse(ep1.isEqual(ep3));
        assertFalse(c1.isEqual(c3));
        assertFalse(p1.isEqual(p3));
        assertFalse(e1.isEqual(e3));
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        // check filter
        op = (LogicalRelationalOperator)newPlan.getSuccessors(op).get(0);
        assertEquals(op.getClass(), org.apache.pig.experimental.logical.relational.LOFilter.class);       
        LogicalExpressionPlan exp = ((org.apache.pig.experimental.logical.relational.LOFilter)op).getFilterPlan();
       
        AndExpression ae = (AndExpression)exp.getSources().get(0);
       
        EqualExpression eq = (EqualExpression)exp.getSuccessors(ae).get(0);
        assertEquals(eq.getLhs().getClass(), ProjectExpression.class);
        assertEquals(((ProjectExpression)eq.getLhs()).getColNum(), 0);
        assertEquals(((ProjectExpression)eq.getLhs()).getInputNum(), 0);
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                    }
                }
            }         
           
            // create an AND
            new AndExpression(andPlan, (LogicalExpression)p1.getSources().get(0), (LogicalExpression)p2.getSources().get(0));         
           
            f1.setFilterPlan(andPlan);
        }
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        public void visit(LOAnd binOp) throws VisitorException {
            ExpressionOperator left = binOp.getLhsOperand();
            ExpressionOperator right = binOp.getRhsOperand();
                   
            AndExpression ae = new AndExpression(exprPlan, exprOpsMap.get(left), exprOpsMap.get(right));
            exprOpsMap.put(binOp, ae);           
        }
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Related Classes of org.apache.pig.experimental.logical.expression.AndExpression

  • org.apache.pig.experimental.logical.LogicalPlanMigrationVistor$LogicalExpPlanMigrationVistor
  • org.apache.pig.experimental.logical.rules.MergeFilter$MergeFilterTransformer
  • org.apache.pig.test.TestExperimentalLogicalOptimizer
  • org.apache.pig.test.TestExperimentalOperatorPlan
  • org.apache.pig.test.TestLogicalPlanMigrationVisitor
  • java.io.IOException
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