List of dumpSchema() Examples

Examples of dumpSchema()

org.apache.pig.PigServer.dumpSchema()
Write the schema for an alias to System.out. @param alias Alias whose schema will be written out @return Schema of alias dumped @throws IOException
org.dmd.dms.util.DmoCompactSchemaFormatter.dumpSchema()
For all AttributeDefinitions in the schema, this method dumps a [schema]ASAG to the DMO subdirectory. @param sd The schema. @param dmodir The output directory. @throws IOException @throws IOException @throws ResultException

Examples of org.apache.pig.PigServer.dumpSchema()

            PigServer pig = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
            pig.registerQuery("A = LOAD 'a.txt';");
            pig.registerQuery("B = FOREACH A GENERATE org.apache.pig.test.utils.MultiLevelDerivedUDF1();");
            pig.registerQuery("C = FOREACH A GENERATE org.apache.pig.test.utils.MultiLevelDerivedUDF2();");
            pig.registerQuery("D = FOREACH A GENERATE org.apache.pig.test.utils.MultiLevelDerivedUDF3();");
            Schema s = pig.dumpSchema("B");
            assertTrue(s.getField(0).type == DataType.DOUBLE);
            s = pig.dumpSchema("C");
            assertTrue(s.getField(0).type == DataType.DOUBLE);
            s = pig.dumpSchema("D");
            assertTrue(s.getField(0).type == DataType.DOUBLE);

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Examples of org.apache.pig.PigServer.dumpSchema()

            pig.registerQuery("B = FOREACH A GENERATE org.apache.pig.test.utils.MultiLevelDerivedUDF1();");
            pig.registerQuery("C = FOREACH A GENERATE org.apache.pig.test.utils.MultiLevelDerivedUDF2();");
            pig.registerQuery("D = FOREACH A GENERATE org.apache.pig.test.utils.MultiLevelDerivedUDF3();");
            Schema s = pig.dumpSchema("B");
            assertTrue(s.getField(0).type == DataType.DOUBLE);
            s = pig.dumpSchema("C");
            assertTrue(s.getField(0).type == DataType.DOUBLE);
            s = pig.dumpSchema("D");
            assertTrue(s.getField(0).type == DataType.DOUBLE);
        } catch (IOException e) {
            e.printStackTrace();

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Examples of org.apache.pig.PigServer.dumpSchema()

            pig.registerQuery("D = FOREACH A GENERATE org.apache.pig.test.utils.MultiLevelDerivedUDF3();");
            Schema s = pig.dumpSchema("B");
            assertTrue(s.getField(0).type == DataType.DOUBLE);
            s = pig.dumpSchema("C");
            assertTrue(s.getField(0).type == DataType.DOUBLE);
            s = pig.dumpSchema("D");
            assertTrue(s.getField(0).type == DataType.DOUBLE);
        } catch (IOException e) {
            e.printStackTrace();
            fail();
        }

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Examples of org.apache.pig.PigServer.dumpSchema()

            + "l2 = load '" + INP_FILE_2NUMS + "' as (i : int, j : int);"
            + "u = union onschema l1, l2;"
        ; 
        Util.registerMultiLineQuery(pig, query);
        Schema expectedSch = Util.getSchemaFromString("i: int, j: int");
        Schema sch = pig.dumpSchema("u");
        assertEquals("Checking expected schema",sch, expectedSch);
        Iterator<Tuple> it = pig.openIterator("u");
        
        List<Tuple> expectedRes = 
            Util.getTuplesFromConstantTupleStrings(

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Examples of org.apache.pig.PigServer.dumpSchema()

            + "u = union onschema l1, l2;"
            + "fil = filter u by i == 5 and (x is null or x != 1);"
        ; 
        Util.registerMultiLineQuery(pig, query);
        
        Schema sch = pig.dumpSchema("fil");
        Schema expectedSch = Util.getSchemaFromString("i: int, x: int, j: int");
        assertEquals("Checking expected schema",sch, expectedSch);
        


        Iterator<Tuple> it = pig.openIterator("fil");

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Examples of org.apache.pig.PigServer.dumpSchema()

            + "lim = limit o 2;"
            + "fil = filter lim by i == 5 and y is null;"
        ; 
        Util.registerMultiLineQuery(pig, query);        
        
        Schema sch = pig.dumpSchema("fil");
        Schema expectedSch = Util.getSchemaFromString("i: int, x: int, y: int");
        assertEquals("Checking expected schema",sch, expectedSch);
        


        Iterator<Tuple> it = pig.openIterator("fil");

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Examples of org.apache.pig.PigServer.dumpSchema()

        + "f = foreach g generate flatten(l1); "
        + "l2 = load '" + INP_FILE_2NUMS + "' as (i : int, j : int); ";


        String query = query_prefix + "u = union onschema f, l2; " ; 
        Util.registerMultiLineQuery(pig, query);
        Schema sch = pig.dumpSchema("u");
        Schema expectedSch = Util.getSchemaFromString("i: int, j: int");
        assertEquals("Checking expected schema",sch, expectedSch);
        Iterator<Tuple> it = pig.openIterator("u");


        List<Tuple> expectedRes =

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Examples of org.apache.pig.PigServer.dumpSchema()

        Util.checkQueryOutputsAfterSort(it, expectedRes);
        
        // now try reversing the order of relation
        query = query_prefix + "u = union onschema l2, f; " ; 
        Util.registerMultiLineQuery(pig, query);
        sch = pig.dumpSchema("u");
        expectedSch = Util.getSchemaFromString("i: int, j: int");
        assertEquals("Checking expected schema",sch, expectedSch);
        it = pig.openIterator("u");
        Util.checkQueryOutputsAfterSort(it, expectedRes);

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Examples of org.apache.pig.PigServer.dumpSchema()

        + "g2 = group l2 by i; "
        + "f2 = foreach g2 generate group as gkey, flatten(l2); "
        + "u = union onschema f1, f2; " ; 
        Util.registerMultiLineQuery(pig, query);
        
        Schema sch = pig.dumpSchema("u");
        Schema expectedSch = 
            Util.getSchemaFromString("gkey: int, l1::i: int, l1::j: int, l2::i: int, l2::x: chararray");
        assertEquals("Checking expected schema",sch, expectedSch);


        Iterator<Tuple> it = pig.openIterator("u");

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Examples of org.apache.pig.PigServer.dumpSchema()

            + " cg2 = cogroup l2 by i, l1 by i; "
            + " f2 = foreach cg1 generate group as gkey, flatten(l2), flatten(l1); "
            + "u = union onschema f1, f2; " ; 
        Util.registerMultiLineQuery(pig, query);
                
        Schema sch = pig.dumpSchema("u");
        Schema expectedSch = 
            Util.getSchemaFromString("gkey: int, l1::i: int, l1::j: int, l2::i: int, l2::x: chararray");
        assertEquals("Checking expected schema",sch, expectedSch);


        Iterator<Tuple> it = pig.openIterator("u");

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