Examples of FieldSchema


        // 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("field3a", innerSchema1, DataType.BAG)) ;
            inputSchema1 = new Schema(fsList1) ;
        }


        // set schemas
        load1.setEnforcedSchema(inputSchema1) ;

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

        }
    
    
        LOForEach foreach = (LOForEach)plan.getLeaves().get(0);
        
        Schema.FieldSchema charFs = new FieldSchema(null, DataType.CHARARRAY);
        Schema.FieldSchema intFs = new FieldSchema(null, DataType.INTEGER);
        Schema.FieldSchema floatFs = new FieldSchema(null, DataType.FLOAT);
        Schema bagSchema = new Schema();
        bagSchema.add(charFs);
        bagSchema.add(intFs);
        bagSchema.add(floatFs);
        Schema.FieldSchema bagFs = null;

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

        Schema expectedSch =
            Schema.generateNestedSchema(DataType.BAG, DataType.INTEGER);


        //check schema of TOBAG when given input tuple having only integers
        Schema inputSch = new Schema();
        inputSch.add(new FieldSchema(null, DataType.INTEGER));
        assertEquals("schema of tobag when input has only ints",
                expectedSch, tb.outputSchema(inputSch));


        //add another int column
        inputSch.add(new FieldSchema(null, DataType.INTEGER));
        assertEquals("schema of tobag when input has only ints",
                expectedSch, tb.outputSchema(inputSch));


        //add a long column
        inputSch.add(new FieldSchema(null, DataType.LONG));
        //expect null inner schema
        expectedSch =
            Schema.generateNestedSchema(DataType.BAG, DataType.NULL);
        assertEquals("schema of tobag when input has ints and long",
                expectedSch, tb.outputSchema(inputSch));


        
        //test schema when input is a tuple with inner schema
        Schema tupInSchema = new Schema(new FieldSchema("x", DataType.CHARARRAY));
        inputSch = new Schema();
        inputSch.add(new FieldSchema("a", tupInSchema, DataType.TUPLE));
        Schema inputSchCp = new Schema(inputSch);
        inputSchCp.getField(0).alias = null;
        expectedSch = new Schema(new FieldSchema(null, inputSchCp, DataType.BAG));
        assertEquals("schema of tobag when input has cols of type tuple ",
                expectedSch, tb.outputSchema(inputSch));
        
        inputSch.add(new FieldSchema("b", tupInSchema, DataType.TUPLE));
        assertEquals("schema of tobag when input has cols of type tuple ",
                expectedSch, tb.outputSchema(inputSch));
        
        //add a column of type tuple with different inner schema
        tupInSchema = new Schema(new FieldSchema("x", DataType.BYTEARRAY));
        inputSch.add(new FieldSchema("c", tupInSchema, DataType.TUPLE));
        //expect null inner schema
        expectedSch =
            Schema.generateNestedSchema(DataType.BAG, DataType.NULL);
        assertEquals("schema of tobag when input has cols of type tuple with diff inner schema",
                expectedSch, tb.outputSchema(inputSch));