// See PIG-1434
@Test
public void testFilteredScalarDollarProj() throws Exception {
String output = BUILD_TEST_TMP + "table_testFilteredScalarDollarProjDir";
TestScalarAliases.deleteDirectory(new File(output));
String[] input = {
"1\t5\t[state#maine,city#portland]\t{(a),(b)}\t(a,b)", "2\t10\t\t\t", "3\t20\t\t\t"
};
// Test the use of scalars in expressions
String inputPath = BUILD_TEST_TMP + "table_testFilteredScalarDollarProj";
TestScalarAliases.createLocalInputFile(inputPath, input);
// Test in script mode
pigServer.setBatchOn();
pigServer.registerQuery(
"A = LOAD '"
+ inputPath
+ "'"
+ " as (a0: long, a1: double, a2 : bytearray, "
+ "a3: bag{ t : tuple(tc : chararray)}, "
+ "a4: tuple(c1 : chararray, c2 : chararray) );");
pigServer.registerQuery("B = filter A by $1 < 8;");
pigServer.registerQuery(
"Y = foreach A generate (a0 * B.$0), (a1 / B.$1), B.$2, B.$2#'state', B.$3, B.a4;");
pigServer.registerQuery("Store Y into '" + output + "';");
pigServer.explain("Y", System.err);
pigServer.executeBatch();
// Check output
pigServer.registerQuery("Z = LOAD '" + output + "' as (a0: int, a1: double);");
pigServer.explain("Z", System.err);
Iterator<Tuple> iter = pigServer.openIterator("Z");
Tuple t = iter.next();
assertTrue(t.toString().equals("(1,1.0)"));
t = iter.next();
assertTrue(t.toString().equals("(2,2.0)"));
t = iter.next();
assertTrue(t.toString().equals("(3,4.0)"));
assertFalse(iter.hasNext());
// Check in non-batch mode
iter = pigServer.openIterator("Y");
t = iter.next();
assertEquals(t.toString(), "(1,1.0,[state#maine,city#portland],maine,{(a),(b)},(a,b))");
t = iter.next();
assertEquals(t.toString(), "(2,2.0,[state#maine,city#portland],maine,{(a),(b)},(a,b))");
t = iter.next();
assertEquals(t.toString(), "(3,4.0,[state#maine,city#portland],maine,{(a),(b)},(a,b))");
assertFalse(iter.hasNext());
}
