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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (PIG-674) Improve errors in Pig parser
Date Tue, 14 Sep 2010 13:56:35 GMT

     [ https://issues.apache.org/jira/browse/PIG-674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alan Gates reassigned PIG-674:
------------------------------

    Assignee: Xuefu Zhang

> Improve errors in Pig parser
> ----------------------------
>
>                 Key: PIG-674
>                 URL: https://issues.apache.org/jira/browse/PIG-674
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Araceli Henley
>            Assignee: Xuefu Zhang
>            Priority: Minor
>             Fix For: 0.9.0
>
>
> These tests are for Aggregate Functions
> ################################################################
>    Recomend msg -  SHould indicate that this is an invalid cast.
>    ERROR - MAX with int with invalid cast
>    TEST:  106,
>    PIG SCRIPT:  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 A.Fint, MAX( (invalid) A.Fint ); STORE X INTO ':OUTPATH:'
USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "ERROR 1000:.*Invalid alias: MAX",
> ################################################################
>    Recomend msg -  SHould indicate that this is an invalid cast.
>    ERROR - MAX with int with invalid cast
>    TEST:  106,
>    PIG SCRIPT:  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 A.Fint, MAX( (invalid) A.Fint ); STORE X INTO ':OUTPATH:'
USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "ERROR 1000:.*Invalid alias: MAX",
> ################################################################
>    Recomend msg -
>    ERROR: invalid use of foreach with multiple functions and positional parameters
>    TEST:  107,
>    PIG SCRIPT:  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 A GENERATE  SUM( A.$0), AVG( A.$0), COUNT( A.$0), MAX(A.$0),
MIN( A.$0); STORE X INTO ':OUTPATH:' USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "FIX: improve msg",
> ################################################################
>    Recomend msg - ERROR 1052: Cannot cast bag with schema.*: bag
>    ERROR: invalid use of MIN with int with valid cast
>    TEST:  108,
>    PIG SCRIPT:  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 A.Fint, MIN( (double) A.Fint ); STORE X INTO ':OUTPATH:'
USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "ERROR 1052: Cannot cast.*",
> ################################################################
>    Recomend msg -
>    ERROR - AVG needs bag
>    TEST:  113,
>    PIG SCRIPT:  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  AVG( A.Fint); STORE X INTO ':OUTPATH:' USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "ERROR 1052: Cannot cast bag with schema.*bag",
> ################################################################
>    Recomend msg -  this should indicate there was an invalid Cast
>    ERROR - AVG with int with invalid cast
>    TEST:  115,
>    PIG SCRIPT:  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 A.Fint, AVG( (invalid) A.Fint ); STORE X INTO ':OUTPATH:'
USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "ERROR 1000:.*Invalid alias: AVG",
> ################################################################
>    Recomend msg -  this should indicate that COUNT expects a bag for an argument
>    ERROR - COUNT needs bag
>    TEST:  118,
>    PIG SCRIPT:  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( Fint); STORE X INTO ':OUTPATH:' USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "ERROR 1000:.*Invalid alias: COUNT",
> ################################################################
>    Recomend msg - missing parenthesis while parsing MAX.",
>    ERROR - MAX without parenthesis
>    TEST:  133,
>    PIG SCRIPT:  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 A.$0; STORE X INTO ':OUTPATH:' USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "ERROR 1000:.*MAX",
> ################################################################
>    ERROR - SUM with missing argument
>    TEST:  161,
>    PIG SCRIPT:  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",
> ################################################################
>    Recomend msg -
>    ERROR - SUM with invalid number of parameters
>    TEST:  162,
>    PIG SCRIPT:  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 ( A.$0, A.$0 ); STORE X INTO ':OUTPATH:' USING
PigStorage();\,
>   CURRENT ERROR MESSAGE: "ERROR 1045:.*SUM",
> ################################################################
>    Recomend msg -
>    ERROR - SUM with incompatible datatype
>    TEST:  163,
>    PIG SCRIPT:  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 ( A.Fbag ); STORE X INTO ':OUTPATH:' USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "FIX: Improve error message. Currently ERROR: 1045",
> ################################################################
>    Recomend msg - invalid use of SUM
>    ERROR: invalid use of foreach with multiple functions and positional parameters
>    TEST:  107,
>    PIG SCRIPT:  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 A GENERATE  SUM( A.$0), AVG( A.$0), COUNT( A.$0), MAX(A.$0),
MIN( A.$0); STORE X INTO ':OUTPATH:' USING PigStorage();\,
>   CURRENT ERROR MESSAGE: " ERROR 1000: Error during parsing. Invalid alias: A",
> ################################################################
>    Recomend msg - Incompatible type in argument to MAX
>    ERROR - MAX with incompatible type
>    TEST:  143,
>    PIG SCRIPT:  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( A.Ftuple ); STORE X INTO ':OUTPATH:' USING
PigStorage();\,
>   CURRENT ERROR MESSAGE: " ERROR 1045: Could not infer the matching function",
> ################################################################
>    Recomend msg - Missing parenthesis in MIN
>    ERROR - MIN without parenthesis
>    TEST:  144,
>    PIG SCRIPT:  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 A.$0; STORE X INTO ':OUTPATH:' USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "ERROR 1000:.*Invalid alias: MIN",
> ################################################################
>    Recomend msg -
>    ERROR - SUM with incompatible cast
>    TEST:  164,
>    PIG SCRIPT:  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 ( (chararray) Fint, Fint ); STORE X INTO ':OUTPATH:'
USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "ERROR 1000: Error during parsing. Invalid alias: Fint",
> ################################################################
>    Recomend msg -
>    ERROR - AVG with incompatible cast
>    TEST:  175,
>    PIG SCRIPT:  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 AVG ( (chararray) Fint ); STORE X INTO ':OUTPATH:'
USING PigStorage();\,
>   CURRENT ERROR MESSAGE: "ERROR 1045:.*AVG",
> ################################################################
>    Recomend msg -  Incompatible type in argument for AVG
>    ERROR - AVG with incompatible type
>    TEST:  177,
>    PIG SCRIPT:  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 AVG( A.Ftuple ); STORE X INTO ':OUTPATH:' USING
PigStorage();\,
>    CURRENT ERROR MESSAGE: " ERROR 1045:.*AVG",

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