Sergey created PIG-3418:
---------------------------
Summary: ; in constant breaks parsing
Key: PIG-3418
URL: https://issues.apache.org/jira/browse/PIG-3418
Project: Pig
Issue Type: Bug
Components: parser
Reporter: Sergey
Priority: Blocker
Fix For: 0.11
Hi.
1. If you use ; in pig script it breaks parsing
2. It's impossible to pass ; as a value for parameter. Pig starts grunt and
doesn't start script.
Here is example:
{code}
A = LOAD 'myFile';
B = FOREACH A GENERATE ( host == ';' ? 1 : 0); --line #5
{code}
Here is stacktrace:
{code}
Pig Stack Trace
---------------
ERROR 1200: <file test.pig, line 5, column 0> mismatched character '<EOF>'
expecting '''
org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1000: Error during
parsing. <file test.pig, line 5, column 0> mismatched character '<EOF>'
expecting '''
at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1608)
at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1547)
at org.apache.pig.PigServer.registerQuery(PigServer.java:518)
at
org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:991)
at
org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:412)
at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.j
ava:194)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:170)
at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
at org.apache.pig.Main.run(Main.java:604)
at org.apache.pig.Main.main(Main.java:157)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
Caused by: Failed to parse: <file test.pig, line 5, column 0> mismatched
character '<EOF>' expecting '''
at
org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:237)
at
org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:177)
at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1600)
... 14 more
{code}
This also would not run.
{code}
pig -p param=; some_pig_script.pig
{code}
grunt would be launched.
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