Examples of org.apache.pig.experimental.logical.relational.LogicalSchema.addField()

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

Class org.apache.pig.experimental.logical.relational.LogicalSchema

Examples of org.apache.pig.experimental.logical.relational.LogicalSchema.addField()

org.apache.pig.experimental.logical.relational.LogicalSchema.addField()
Add a field to this schema. @param field to be added to the schema

           new FuncSpec("/fooload", new String[] {"x", "y"})), jaschema1, lp);
       lp.add(A1);
        
        // B = load
        LogicalSchema jbschema1 = new LogicalSchema();
        jbschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LOLoad B1 = new LOLoad(new FileSpec("/def",
            new FuncSpec("PigStorage", "\t")), jbschema1, lp);
        lp.add(B1);

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            new FuncSpec("PigStorage", "\t")), jbschema1, lp);
        lp.add(B1);
        
        // C = join
        LogicalSchema jcschema1 = new LogicalSchema();
        jcschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        jcschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LogicalExpressionPlan aprojplan1 = new LogicalExpressionPlan();
        new ProjectExpression(aprojplan1, DataType.INTEGER, 0, 0);

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        // C = join
        LogicalSchema jcschema1 = new LogicalSchema();
        jcschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        jcschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LogicalExpressionPlan aprojplan1 = new LogicalExpressionPlan();
        new ProjectExpression(aprojplan1, DataType.INTEGER, 0, 0);
        LogicalExpressionPlan bprojplan1 = new LogicalExpressionPlan();
        new ProjectExpression(bprojplan1, DataType.INTEGER, 1, 0);

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        // The plan is built with the filter having been pushed above the join
        // but the listners not yet having been called.
        // A = load
        lp = new LogicalPlan();
        LogicalSchema aschema = new LogicalSchema();
        aschema.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        aschema.getField(0).uid = 1;
        LOLoad A = new LOLoad(null, aschema, lp);
        lp.add(A);

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        LOLoad A = new LOLoad(null, aschema, lp);
        lp.add(A);
        
        // B = load
        LogicalSchema bschema = new LogicalSchema();
        bschema.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        bschema.getField(0).uid = 2;
        LOLoad B = new LOLoad(null, bschema, lp);
        lp.add(B);

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        LOLoad B = new LOLoad(null, bschema, lp);
        lp.add(B);
        
        // C = join
        LogicalSchema cschema = new LogicalSchema();
        cschema.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        cschema.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        cschema.getField(0).uid = 1;
        cschema.getField(1).uid = 2;

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        // C = join
        LogicalSchema cschema = new LogicalSchema();
        cschema.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        cschema.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        cschema.getField(0).uid = 1;
        cschema.getField(1).uid = 2;
        LogicalExpressionPlan aprojplan = new LogicalExpressionPlan();
        ProjectExpression x = new ProjectExpression(aprojplan, DataType.INTEGER, 0, 0);

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        LOStore stor = null;


        plan = new LogicalPlan();


        LogicalSchema schema = new LogicalSchema();
        schema.addField(new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY));
        LogicalSchema bagSchema = new LogicalSchema();
        LogicalSchema bagTupleSchema = new LogicalSchema();
        bagTupleSchema.addField( new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY) );
        bagSchema.addField( new LogicalSchema.LogicalFieldSchema( "t", bagTupleSchema, DataType.TUPLE ) );
        schema.addField(new LogicalSchema.LogicalFieldSchema("cuisines", bagSchema, DataType.BAG));

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        LogicalSchema schema = new LogicalSchema();
        schema.addField(new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY));
        LogicalSchema bagSchema = new LogicalSchema();
        LogicalSchema bagTupleSchema = new LogicalSchema();
        bagTupleSchema.addField( new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY) );
        bagSchema.addField( new LogicalSchema.LogicalFieldSchema( "t", bagTupleSchema, DataType.TUPLE ) );
        schema.addField(new LogicalSchema.LogicalFieldSchema("cuisines", bagSchema, DataType.BAG));
        
        load = new LOLoad(null, schema, plan);
        load.setAlias("A");

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        LOStore stor = null;
        
        plan = new LogicalPlan();
        
        LogicalSchema schema = new LogicalSchema();
        schema.addField(new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY));
        LogicalSchema bagSchema = new LogicalSchema();
        LogicalSchema bagTupleSchema = new LogicalSchema();
        bagTupleSchema.addField( new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY) );
        bagSchema.addField( new LogicalSchema.LogicalFieldSchema( "t", bagTupleSchema, DataType.TUPLE ) );
        schema.addField(new LogicalSchema.LogicalFieldSchema("cuisines", bagSchema, DataType.BAG));

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