[PIG-2593] Filter by a boolean value does not work

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.11
• Component/s: build
• Hadoop Flags: Reviewed
• Assignee: Jie Li
• Reporter: Daniel Dai
• Created: 15/Mar/12 20:13
• Updated: 22/Feb/13 04:53
• Resolved: 08/Jun/12 18:42

Description

The following script does not work:

a = load 'allscalar10k' as (name, age, gpa, instate);
b = filter a by instate;
explain b;

Exception:
ERROR 1200: <file 18.pig, line 2, column 23> mismatched input ';' expecting IS

org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1000: Error during parsing. <file 18.pig, line 2, column 23> mismatched input ';' expecting IS
at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1598)
at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1541)
at org.apache.pig.PigServer.registerQuery(PigServer.java:541)
at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:945)
at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:392)
at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:190)
at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:166)
at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
at org.apache.pig.Main.run(Main.java:599)
at org.apache.pig.Main.main(Main.java:153)
Caused by: Failed to parse: <file 18.pig, line 2, column 23> mismatched input ';' expecting IS
at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:222)
at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:164)
at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1590)
... 9 more

It works if we change the script into:

a = load 'allscalar10k' as (name, age, gpa, instate);
b = filter a by instate==TRUE;
explain b;

Sub-Tasks

• Support implicit cast from bytearray to boolean: Closed