Thanks, William!
On Tue, Oct 29, 2013 at 10:41 PM, <william.dowl...@thomsonreuters.com>wrote: > http://pig.apache.org/docs/r0.12.0/basic.html#order-by says > "Pig currently supports ordering on fields with simple types or by > tuple designator (*). You cannot order on fields with complex types or by > expressions." > > I think "you cannot order ... by expressions" means the behavior you see > is expected. > > William F Dowling > Senior Technologist > Thomson Reuters > > > -----Original Message----- > From: Ruslan Al-Fakikh [mailto:metarus...@gmail.com] > Sent: Tuesday, October 29, 2013 2:35 PM > To: user@pig.apache.org > Subject: ORDER BY a map value fails with a syntax error - pig bug? > > Hi guys, > > The following script: > > A = LOAD 'input' AS (M:map []); > sorted = ORDER A BY M#'key1'; > dump sorted; > > gives: > 2013-10-29 14:31:03,611 [main] ERROR org.apache.pig.tools.grunt.Grunt - > ERROR 1200: <file script1.pig, line 2, column 20> Syntax error, unexpected > symbol at or near 'M' > > While this one: > LOAD 'input' AS (M:map []); > named = foreach A generate *, M#'key1' as myfield; > sorted = ORDER named BY myfield; > dump sorted; > > is OK > > Is it a bug in Pig? > > Best Regards, > Ruslan Al-Fakikh >
