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

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

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                if(op instanceof LOFilter)
                    filter = (LOFilter)op;
            }

            LogicalExpressionPlan filterPlan = filter.getFilterPlan();
            CastExpression cast = getCastFromExpPlan(filterPlan);
            assertTrue(cast.getFuncSpec().getClassName().startsWith("org.apache.pig.builtin.PigStorage"));
        }
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        public void testCompareEqualityTupleCast() throws Throwable {
            //test if bytearray col gets casted to tuple
            String query = "a = load 'a' as (t : (i : int, j : int), col);"
            + "b = filter a by t == col;";

            CastExpression castExp = getCastFromLastFilter(query);
            assertNotNull("cast ", castExp);
            assertEquals("cast type", DataType.TUPLE, castExp.getType());
        }
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        public void testCompareEqualityMapCast() throws Throwable {
            //test if bytearray col gets casted to map
            String query = "a = load 'a' as (t : map[], col);"
            + "b = filter a by t != col;";

            CastExpression castExp = getCastFromLastFilter(query);
            assertNotNull("cast ", castExp);
            assertEquals("cast type", DataType.MAP, castExp.getType());
        }
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        ConstantExpression constant2 =  new ConstantExpression(expPlan, 20D);
        ConstantExpression constant3 =  new ConstantExpression(expPlan, 123f);

        AddExpression add1 = new AddExpression(expPlan, constant1, constant2);
        CastExpression cast1 = new CastExpression(expPlan,constant3, createFS(DataType.DOUBLE));
        MultiplyExpression mul1 = new MultiplyExpression(expPlan, add1, cast1);

        CompilationMessageCollector collector = new CompilationMessageCollector();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(expPlan, collector, null);
        expTypeChecker.visit();
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        ConstantExpression constant1 = new ConstantExpression(plan, 10);
        ConstantExpression constant2 =  new ConstantExpression(plan, 20D);
        ConstantExpression constant3 =  new ConstantExpression(plan, "123");

        AddExpression add1 = new AddExpression(plan, constant1, constant2);
        CastExpression cast1 = new CastExpression(plan, constant3,  createFS(DataType.BYTEARRAY));
        MultiplyExpression mul1 = new MultiplyExpression(plan, add1, cast1);

        CompilationMessageCollector collector = new CompilationMessageCollector();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, null);
        try {
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        ConstantExpression constant1 = new ConstantExpression(plan, 10);
        ConstantExpression constant2 =  new ConstantExpression(plan, 20D);
        ConstantExpression constant3 =  new ConstantExpression(plan,  123f);

        DivideExpression div1 = new DivideExpression(plan, constant1, constant2);
        CastExpression cast1 = new CastExpression(plan, constant3, createFS(DataType.DOUBLE));
        NotEqualExpression notequal1 = new NotEqualExpression(plan, div1, cast1);

        CompilationMessageCollector collector = new CompilationMessageCollector();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, null);
        expTypeChecker.visit();
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        ConstantExpression constant1 = new ConstantExpression(plan, 10);
        ConstantExpression constant2 =  new ConstantExpression(plan, 20D);
        ConstantExpression constant3 =  new ConstantExpression(plan, "123");

        DivideExpression div1 = new DivideExpression(plan, constant1, constant2);
        CastExpression cast1 = new CastExpression(plan,  constant3, createFS(DataType.BYTEARRAY));
        NotEqualExpression notequal1 = new NotEqualExpression(plan, div1, cast1);

        CompilationMessageCollector collector = new CompilationMessageCollector();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, null);
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        Schema castSchema = new Schema(castFss);


        ConstantExpression constant1 = new ConstantExpression(plan, innerTuple);
        ConstantExpression constant2 =  new ConstantExpression(plan, tuple);
        CastExpression cast1 = new CastExpression(plan, constant1,
                org.apache.pig.newplan.logical.Util.translateFieldSchema(new FieldSchema(null, castSchema, DataType.TUPLE)));

        EqualExpression equal1 = new EqualExpression(plan, cast1, constant2);

        CompilationMessageCollector collector = new CompilationMessageCollector();
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        Schema castSchema = new Schema(castFss);


        ConstantExpression constant1 = new ConstantExpression(plan, innerTuple);
        ConstantExpression constant2 =  new ConstantExpression(plan, tuple);
        CastExpression cast1 = new CastExpression(plan, constant1,
                org.apache.pig.newplan.logical.Util.translateFieldSchema(new FieldSchema(null, castSchema, DataType.TUPLE)));

        EqualExpression equal1 = new EqualExpression(plan, cast1, constant2);
        CompilationMessageCollector collector = new CompilationMessageCollector();
        LogicalRelationalOperator dummyRelOp = createDummyRelOpWithAlias();
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        ConstantExpression constant2 = new ConstantExpression(plan, 20L);
        ConstantExpression constant3 = new ConstantExpression(plan, "true");

        GreaterThanExpression gt1 = new GreaterThanExpression(plan, constant1,
                constant2);
        CastExpression cast1 = new CastExpression(plan,  constant3, createFS(DataType.BYTEARRAY));
        EqualExpression equal1 = new EqualExpression(plan, gt1, cast1);
        NotEqualExpression nq1 = new NotEqualExpression(plan, gt1, cast1);

        CompilationMessageCollector collector = new CompilationMessageCollector();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(
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Related Classes of org.apache.pig.newplan.logical.expression.CastExpression

  • org.apache.pig.FuncSpec
  • org.apache.pig.newplan.logical.LogicalExpPlanMigrationVistor
  • org.apache.pig.newplan.logical.rules.TypeCastInserter$TypeCastInserterTransformer
  • org.apache.pig.newplan.logical.visitor.TypeCheckingExpVisitor
  • org.apache.pig.newplan.logical.visitor.TypeCheckingRelVisitor
  • org.apache.pig.newplan.logical.visitor.UnionOnSchemaSetter
  • org.apache.pig.parser.SourceLocation
  • org.apache.pig.test.TestTypeCheckingValidatorNewLP
  • org.apache.pig.impl.logicalLayer.FrontendException
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