Package org.apache.pig.impl.logicalLayer.schema.Schema

Examples of org.apache.pig.impl.logicalLayer.schema.Schema.FieldSchema

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    @Test
    public void testSchemaEqualTwoLevelAccess() throws Exception {
       
        List<FieldSchema> innerList1 = new ArrayList<FieldSchema>() ;
        innerList1.add(new FieldSchema("11a", DataType.INTEGER)) ;
        innerList1.add(new FieldSchema("11b", DataType.LONG)) ;
       
        List<FieldSchema> innerList2 = new ArrayList<FieldSchema>() ;
        innerList2.add(new FieldSchema("11a", DataType.INTEGER)) ;
        innerList2.add(new FieldSchema("11b", DataType.LONG)) ;
       
        Schema innerSchema1 = new Schema(innerList1) ;
        Schema innerSchema2 = new Schema(innerList2) ;
               
        List<FieldSchema> list1 = new ArrayList<FieldSchema>() ;
        list1.add(new FieldSchema("1a", DataType.BYTEARRAY)) ;
        list1.add(new FieldSchema("1b", innerSchema1)) ;
        list1.add(new FieldSchema("1c", DataType.INTEGER)) ;
       
        List<FieldSchema> list2 = new ArrayList<FieldSchema>() ;
        list2.add(new FieldSchema("1a", DataType.BYTEARRAY)) ;
        list2.add(new FieldSchema("1b", innerSchema2)) ;
        list2.add(new FieldSchema("1c", DataType.INTEGER)) ;
       
        Schema schema1 = new Schema(list1) ;
        Schema schema2 = new Schema(list2) ;       
     
        Schema.FieldSchema bagFs1 = new Schema.FieldSchema("b", schema1, DataType.BAG);
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        constant1.setFieldSchema(new Schema.FieldSchema(null, innerTupleSchema, DataType.TUPLE));
        LOConst constant2 =  new LOConst(plan, genNewOperatorKey(), tuple) ;
        constant2.setType(DataType.TUPLE) ;
        constant2.setFieldSchema(new Schema.FieldSchema(null, tupleSchema, DataType.TUPLE));
        LOCast cast1 = new LOCast(plan, genNewOperatorKey(), DataType.TUPLE) ;
        cast1.setFieldSchema(new FieldSchema(null, castSchema, DataType.TUPLE));
       
        LOEqual equal1 = new LOEqual(plan, genNewOperatorKey()) ;
       
        plan.add(constant1) ;
        plan.add(constant2) ;
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        constant1.setFieldSchema(new Schema.FieldSchema(null, innerTupleSchema, DataType.TUPLE));
        LOConst constant2 =  new LOConst(plan, genNewOperatorKey(), tuple) ;
        constant2.setType(DataType.TUPLE) ;
        constant2.setFieldSchema(new Schema.FieldSchema(null, tupleSchema, DataType.TUPLE));
        LOCast cast1 = new LOCast(plan, genNewOperatorKey(), DataType.TUPLE) ;
        cast1.setFieldSchema(new FieldSchema(null, castSchema, DataType.TUPLE));
       
        LOEqual equal1 = new LOEqual(plan, genNewOperatorKey()) ;
       
        plan.add(constant1) ;
        plan.add(constant2) ;
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        // schema for input#1
        Schema inputSchema1 = null ;
        {
            List<FieldSchema> fsList1 = new ArrayList<FieldSchema>() ;
            fsList1.add(new FieldSchema("field1a", DataType.INTEGER)) ;
            fsList1.add(new FieldSchema("field2a", DataType.LONG)) ;
            fsList1.add(new FieldSchema(null, DataType.BYTEARRAY)) ;
            fsList1.add(new FieldSchema(null, DataType.CHARARRAY)) ;
            inputSchema1 = new Schema(fsList1) ;
        }

        // schema for input#2
        Schema inputSchema2 = null ;
        {
            List<FieldSchema> fsList2 = new ArrayList<FieldSchema>() ;
            fsList2.add(new FieldSchema("field1b", DataType.DOUBLE)) ;
            fsList2.add(new FieldSchema(null, DataType.INTEGER)) ;
            fsList2.add(new FieldSchema("field3b", DataType.FLOAT)) ;
            fsList2.add(new FieldSchema("field4b", DataType.CHARARRAY)) ;
            inputSchema2 = new Schema(fsList2) ;
        }

        // set schemas
        load1.setEnforcedSchema(inputSchema1) ;
        load2.setEnforcedSchema(inputSchema2) ;

        // create union operator
        ArrayList<LogicalOperator> inputList = new ArrayList<LogicalOperator>() ;
        inputList.add(load1) ;
        inputList.add(load2) ;
        LOUnion union = new LOUnion(plan, genNewOperatorKey()) ;

        // wiring
        plan.add(load1) ;
        plan.add(load2) ;
        plan.add(union) ;

        plan.connect(load1, union);
        plan.connect(load2, union);

        // validate
        CompilationMessageCollector collector = new CompilationMessageCollector() ;
        TypeCheckingValidator typeValidator = new TypeCheckingValidator() ;
        typeValidator.validate(plan, collector) ;
        printMessageCollector(collector) ;

        // check end result schema
        Schema outputSchema = union.getSchema() ;

        Schema expectedSchema = null ;
        {
            List<FieldSchema> fsListExpected = new ArrayList<FieldSchema>() ;
            fsListExpected.add(new FieldSchema("field1a", DataType.DOUBLE)) ;
            fsListExpected.add(new FieldSchema("field2a", DataType.LONG)) ;
            fsListExpected.add(new FieldSchema("field3b", DataType.FLOAT)) ;
            fsListExpected.add(new FieldSchema("field4b", DataType.CHARARRAY)) ;
            expectedSchema = new Schema(fsListExpected) ;
        }

        assertTrue(Schema.equals(outputSchema, expectedSchema, true, false)) ;
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        // schema for input#1
        Schema inputSchema1 = null ;
        {
            List<FieldSchema> fsList1 = new ArrayList<FieldSchema>() ;
            fsList1.add(new FieldSchema("field1a", DataType.INTEGER)) ;
            fsList1.add(new FieldSchema("field2a", DataType.BYTEARRAY)) ;
            inputSchema1 = new Schema(fsList1) ;
        }

        // schema for input#2
        Schema inputSchema2 = null ;
        {
            List<FieldSchema> fsList2 = new ArrayList<FieldSchema>() ;
            fsList2.add(new FieldSchema("field1b", DataType.DOUBLE)) ;
            fsList2.add(new FieldSchema("field2b", DataType.DOUBLE)) ;
            inputSchema2 = new Schema(fsList2) ;
        }

        // set schemas
        load1.setEnforcedSchema(inputSchema1) ;
        load2.setEnforcedSchema(inputSchema2) ;

        // create union operator
        ArrayList<LogicalOperator> inputList = new ArrayList<LogicalOperator>() ;
        inputList.add(load1) ;
        inputList.add(load2) ;
        LOUnion union = new LOUnion(plan, genNewOperatorKey()) ;

        // wiring
        plan.add(load1) ;
        plan.add(load2) ;
        plan.add(union) ;

        plan.connect(load1, union);
        plan.connect(load2, union);

        // validate
        CompilationMessageCollector collector = new CompilationMessageCollector() ;
        TypeCheckingValidator typeValidator = new TypeCheckingValidator() ;
        typeValidator.validate(plan, collector) ;
        printMessageCollector(collector) ;

        // check end result schema
        Schema outputSchema = union.getSchema() ;

        Schema expectedSchema = null ;
        {
            List<FieldSchema> fsListExpected = new ArrayList<FieldSchema>() ;
            fsListExpected.add(new FieldSchema("field1a", DataType.DOUBLE)) ;
            fsListExpected.add(new FieldSchema("field2a", DataType.DOUBLE)) ;
            expectedSchema = new Schema(fsListExpected) ;
        }

        assertTrue(Schema.equals(outputSchema, expectedSchema, true, false)) ;
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        // schema for input#1
        Schema inputSchema1 = null ;
        {
            List<FieldSchema> innerList = new ArrayList<FieldSchema>() ;
            innerList.add(new FieldSchema("innerfield1", DataType.BAG)) ;
            innerList.add(new FieldSchema("innerfield2", DataType.FLOAT)) ;
            Schema innerSchema = new Schema(innerList) ;

            List<FieldSchema> fsList1 = new ArrayList<FieldSchema>() ;
            fsList1.add(new FieldSchema("field1", DataType.INTEGER)) ;
            fsList1.add(new FieldSchema("field2", DataType.BYTEARRAY)) ;
            fsList1.add(new FieldSchema("field3", innerSchema)) ;
            fsList1.add(new FieldSchema("field4", DataType.BAG)) ;

            inputSchema1 = new Schema(fsList1) ;
        }

        // set schemas
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        // schema for input#1
        Schema inputSchema1 = null ;
        {
            List<FieldSchema> fsList1 = new ArrayList<FieldSchema>() ;
            fsList1.add(new FieldSchema("field1", field1Type)) ;
            fsList1.add(new FieldSchema("field2", field2Type)) ;

            inputSchema1 = new Schema(fsList1) ;
        }

        // set schemas
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        // schema for input#1
        Schema inputSchema1 = null ;
        {
            List<FieldSchema> fsList1 = new ArrayList<FieldSchema>() ;
            fsList1.add(new FieldSchema("field1", DataType.INTEGER)) ;
            fsList1.add(new FieldSchema("field2", DataType.LONG)) ;

            inputSchema1 = new Schema(fsList1) ;
        }

        // set schemas
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        // schema for input#1
        Schema inputSchema1 = null ;
        {
            List<FieldSchema> fsList1 = new ArrayList<FieldSchema>() ;
            fsList1.add(new FieldSchema("field1", DataType.LONG)) ;
            fsList1.add(new FieldSchema("field2", DataType.INTEGER)) ;

            inputSchema1 = new Schema(fsList1) ;
        }

        // set schemas
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        // schema for input#1
        Schema inputSchema1 = null ;
        {
            List<FieldSchema> fsList1 = new ArrayList<FieldSchema>() ;
            fsList1.add(new FieldSchema("field1", DataType.BYTEARRAY)) ;
            fsList1.add(new FieldSchema("field2", DataType.INTEGER)) ;

            inputSchema1 = new Schema(fsList1) ;
        }

        // set schemas
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