[PIG-675] Improve backend error messages

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved

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)

• Assignee: niraj rai
• Reporter: Araceli Henley
• Created: 12/Feb/09 21:56
• Updated: 11/Feb/11 23:38

Description

#########################################################################
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.