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https://issues.apache.org/jira/browse/TAJO-193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated TAJO-193:
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Attachment: TAJO-193.patch
I've attached the patch. This patch also includes ExprTestBase, an test utility
class, making unit tests on expr and UDF easier.
> Add string pattern matching operators
> -------------------------------------
>
> Key: TAJO-193
> URL: https://issues.apache.org/jira/browse/TAJO-193
> Project: Tajo
> Issue Type: New Feature
> Components: physical operator, planner/optimizer
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.2-incubating
>
> Attachments: TAJO-193.patch
>
>
> This patch adds some pattern matching operators, such as ILIKE, SIMILAR TO,
> REGEX operators, and improves LIKE operator. In addition, it improves null
> handling on those string pattern matching operators.
> Also, I've added the manual to the query language wiki page
> (https://wiki.apache.org/tajo/QueryLanguage#PatternMatching).
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