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https://issues.apache.org/jira/browse/CALCITE-7693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18102772#comment-18102772
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Yu Xu commented on CALCITE-7693:
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[~krooswu] You helped review this previous PR before, could you please help
review it again? very thanks!
> Move MongoDB LIKE-to-regex conversion into runtime.Like for consistency
> -----------------------------------------------------------------------
>
> Key: CALCITE-7693
> URL: https://issues.apache.org/jira/browse/CALCITE-7693
> Project: Calcite
> Issue Type: Improvement
> Components: mongodb-adapter
> Affects Versions: 1.42.0
> Reporter: Yu Xu
> Assignee: Yu Xu
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.43.0
>
>
> Follow-up to the initial MongoDB LIKE
> support(https://issues.apache.org/jira/browse/CALCITE-7673). In review it was
> noted that the SQL-LIKE-to-regex conversion logic embedded in MongoFilter
> duplicated a pattern Calcite already establishes in
> org.apache.calcite.runtime.Like (see Like.sqlToRegexLike). Keeping the
> conversion inside the adapter meant a second, independently-maintained
> escape/wildcard translator with its own special-character table and error
> handling.
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