Package org.apache.pig.experimental.logical.relational

Examples of org.apache.pig.experimental.logical.relational.LogicalPlan.connect()

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          mm.put(1, bprojplan);
          LOJoin C = new LOJoin(lp, mm, JOINTYPE.HASH, new boolean[] {true, true});
          C.neverUseForRealSetSchema(cschema);
          lp.add(C);
          lp.connect(A, C);
          lp.connect(B, C);
       
          // D = filter
          LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
          ProjectExpression fx = new ProjectExpression(filterPlan, DataType.INTEGER, 0, 0);
          fx.neverUseForRealSetUid(1);
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          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();
       
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          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));
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          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));
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          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);
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          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);
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          new AndExpression(filterPlan, eq2, eq4);
         
          LOFilter D = new LOFilter(expected, filterPlan);
          D.neverUseForRealSetSchema(cschema);
          expected.add(D);
          expected.connect(C, D);
        }
       
        assertTrue( lp.isEqual(expected) );
        // assertEquals(lp, expected);
    }
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