Improve backend error messages
------------------------------
Key: PIG-675
URL: https://issues.apache.org/jira/browse/PIG-675
Project: Pig
Issue Type: Bug
Environment: i686 i386 GNU/Linux
java version "1.6.0_02"
Java(TM) SE Runtime Environment (build 1.6.0_02-b05)
Java HotSpot(TM) Client VM (build 1.6.0_02-b05, mixed mode, sharing)
Reporter: Araceli Henley
Priority: Minor
#########################################################################
LOAD AND STORE TEST
#########################################################################
DESCRIPTION ERROR: empty parameter for file in Load Statement
TEST: 109,
PIG SCRIPT: q\A = load '' using PigStorage(); STORE A INTO ':OUTPATH:'
USING PigStorage();\,
CURRENT ERROR MESSAGE: "ERROR 2118: Unable to create input slice",
RECOMMENDED ERROR MESSAGE: - It should indicate that this is an invalid
input file for a load statement
#########################################################################
AGGREGATE FUNC TESTS
#########################################################################
DESCRIPTION ERROR - MAX with missing argument
TEST: 138,
PIG SCRIPT: q\ A =LOAD ':INPATH:/types/DataAll' USING PigStorage() AS (
Fint:int, Flong:long, Fdouble:double, Ffloat:float, Fchar:chararray,
Fchararray:chararray, Fbytearray:bytearray, Fmap:map[], Fbag:BAG{ t:tuple(
name, age, avg ) }, Ftuple:( name:chararray, age:int, avg:float) );B =GROUP A
ALL; X =FOREACH B GENERATE MAX(); STORE X INTO ':OUTPATH:' USING
PigStorage();\,
CURRENT ERROR MESSAGE: "ERROR 2064: Unsupported root type in LOForEach:
LOUserFunc",
RECOMMENDED ERROR MESSAGE: - invalid use of MAX function or invalid
argument for MAX function ...
#########################################################################
DESCRIPTION ERROR - MIN with missing argument
TEST: 149,
PIG SCRIPT: q\ A =LOAD ':INPATH:/types/DataAll' USING PigStorage() AS (
Fint:int, Flong:long, Fdouble:double, Ffloat:float, Fchar:chararray,
Fchararray:chararray, Fbytearray:bytearray, Fmap:map[], Fbag:BAG{ t:tuple(
name, age, avg ) }, Ftuple:( name:chararray, age:int, avg:float) );B =GROUP A
ALL; X =FOREACH B GENERATE MIN(); STORE X INTO ':OUTPATH:' USING
PigStorage();\,
CURRENT ERROR MESSAGE: "ERROR 2064: Unsupported root type in LOForEach:
LOUserFunc",
RECOMMENDED ERROR MESSAGE: - MIN arguments cannot be empty
#########################################################################
DESCRIPTION ERROR - SUM with missing argument
TEST: 161,
PIG SCRIPT: q\ A =LOAD ':INPATH:/types/DataAll' USING PigStorage() AS (
Fint:int, Flong:long, Fdouble:double, Ffloat:float, Fchar:chararray,
Fchararray:chararray, Fbytearray:bytearray, Fmap:map[], Fbag:BAG{ t:tuple(
name, age, avg ) }, Ftuple:( name:chararray, age:int, avg:float) );B =GROUP A
ALL; X =FOREACH B GENERATE SUM(); STORE X INTO ':OUTPATH:' USING
PigStorage();\,
CURRENT ERROR MESSAGE: "ERROR 2064: Unsupported root type in LOForEach:
LOUserFunc",
#########################################################################
DESCRIPTION ERROR - COUNT with missing argument
TEST: 183,
PIG SCRIPT: q\ A =LOAD ':INPATH:/types/DataAll' USING PigStorage() AS (
Fint:int, Flong:long, Fdouble:double, Ffloat:float, Fchar:chararray,
Fchararray:chararray, Fbytearray:bytearray, Fmap:map[], Fbag:BAG{ t:tuple(
name, age, avg ) }, Ftuple:( name:chararray, age:int, avg:float) );B =GROUP A
ALL; X =FOREACH B GENERATE COUNT(); STORE X INTO ':OUTPATH:' USING
PigStorage();\,
CURRENT ERROR MESSAGE: "ERROR 2064: Unsupported root type in LOForEach:
LOUserFunc",
RECOMMENDED ERROR MESSAGE: - COUNT requires parenthesis.
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