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From "Benjamin Reed (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-123) cannot escape single quotes in single quoted strings when using the eq or match operator
Date Thu, 28 Feb 2008 17:13:51 GMT

    [ https://issues.apache.org/jira/browse/PIG-123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12573358#action_12573358
] 

Benjamin Reed commented on PIG-123:
-----------------------------------

Excellent work! Have you done a microbenchmark to see the overhead?  I'm wondering if it would
be worth it to scan the string first to see if there are any slashes to avoid processing (in
the common case?).

> cannot escape single quotes in single quoted strings when using the eq or match operator
> ----------------------------------------------------------------------------------------
>
>                 Key: PIG-123
>                 URL: https://issues.apache.org/jira/browse/PIG-123
>             Project: Pig
>          Issue Type: Bug
>            Reporter: andrei badulescu
>         Attachments: PIG-123_escape_char.patch, pig_escape_patch1.patch
>
>
> a query like this :
> filter c by ( c.string eq 'hell\'s angels' OR c.string eq 'blue\'s clues')  
> generates an error with the pig parser, because the parser does not allow single quotes
(') within single quotes, even if they are escaped with a backslash. 

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