Use of underscore in schema names
---------------------------------
Key: PIG-1991
URL: https://issues.apache.org/jira/browse/PIG-1991
Project: Pig
Issue Type: Wish
Components: grunt
Affects Versions: 0.9.0
Reporter: Viraj Bhat
Fix For: 0.9.0
I have a Pig script which uses underscore in its schema name (_a)
{code}
a = load 'test.txt' as (_a:long, b:chararray);
dump a;
{code}
This causes an error in Pig:
{quote}
<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 '_'
{quote}
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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