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  1. Pig
  2. PIG-1991

Leading Underscore (_) not allowed in schema names

    Details

    • Type: Wish
    • Status: Resolved
    • Priority: Major
    • Resolution: Won't Fix
    • Affects Version/s: 0.9.0
    • Fix Version/s: None
    • Component/s: grunt
    • Labels:
      None

      Description

      I have a Pig script which uses underscore in its schema name (_a)

      a = load 'test.txt' as (_a:long, b:chararray);
      dump a;
      

      This causes an error in Pig:

      <line 1, column 24> Unexpected character '_'
      2011-04-12 11:58:59,624 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1200: <line 1, column 24> Unexpected character '_'

      Stack trace:
      Pig Stack Trace
      ---------------
      ERROR 1200: <line 1, column 24> Unexpected character '_'

      Failed to parse: <line 1, column 24> Unexpected character '_'
      at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:83)
      at org.apache.pig.PigServer$Graph.validateQuery(PigServer.java:1555)
      at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1527)
      at org.apache.pig.PigServer.registerQuery(PigServer.java:582)
      at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:917)
      at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:386)
      at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:176)
      at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:152)
      at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:76)
      at org.apache.pig.Main.run(Main.java:489)
      at org.apache.pig.Main.main(Main.java:108)
      ================================================================================

      Schema names should be allowed to have underscores.

      Viraj

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            • Assignee:
              Unassigned
              Reporter:
              viraj Viraj Bhat
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              Dates

              • Created:
                Updated:
                Resolved: