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

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

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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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        // test whether conditional operators will reject the operation of one
        // value of datetime and one of other type
        LogicalExpressionPlan plan = new LogicalExpressionPlan();
        ConstantExpression constant0 = new ConstantExpression(plan, new DateTime(0L));
        ConstantExpression constant1 = new ConstantExpression(plan, new DataByteArray("1970-01-01T00:00:00.000Z"));
        CastExpression cast1 = new CastExpression(plan,  constant1, createFS(DataType.BYTEARRAY));
        EqualExpression eq1 = new EqualExpression(plan, constant0, cast1);

        CompilationMessageCollector collector = new CompilationMessageCollector();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(
                plan, collector, null);
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            // check type
            System.out.println(DataType.findTypeName(regex.getType()));
            assertEquals(DataType.BOOLEAN, regex.getType());

            // check wiring
            CastExpression cast = (CastExpression) regex.getLhs();
            assertEquals(cast.getType(), DataType.CHARARRAY);
            assertEquals(cast.getExpression(), constant1);
        }
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        @Test
        public void testLineage1() throws Throwable {
            String query = "a = load 'a' as (field1: int, field2: float, field3: chararray );"
                + "b = foreach a generate field1 + 1.0;";

            CastExpression cast = getCastFromLastForeach(query);

            assertNull(cast.getFuncSpec());

        }
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            return getCastFromExpPlan(foreachPlan);
        }

        private CastExpression getCastFromExpPlan( LogicalExpressionPlan expPlan) {
            CastExpression castExpr = null;
            Iterator<Operator> opsIter = expPlan.getOperators();
            while(opsIter.hasNext()){
                Operator op = opsIter.next();
                if(op instanceof CastExpression){
                    if(castExpr != null){
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        @Test
        public void testLineage1NoSchema() throws Throwable {
            String query = "a = load 'a';"
                + "b = foreach a generate $1 + 1.0;";
            CastExpression cast = getCastFromLastForeach(query);

            assertTrue(cast.getFuncSpec().getClassName().startsWith("org.apache.pig.builtin.PigStorage"));
        }
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        @Test
        public void testLineage2() throws Throwable {
            String query = "a = load 'a' as (field1, field2: float, field3: chararray );"
                + "b = foreach a generate field1 + 1.0;";
            CastExpression cast = getCastFromLastForeach(query);

            assertTrue(cast.getFuncSpec().getClassName().startsWith("org.apache.pig.builtin.PigStorage"));
        }
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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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