[jira] [Resolved] (CALCITE-4087) Hoist, a utility to replace literals in a SQL string with placeholders

["Julian Hyde (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-4087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde resolved CALCITE-4087.
----------------------------------
    Fix Version/s: 1.24.0
       Resolution: Fixed

Fixed in [6f90acaa|https://github.com/apache/calcite/commit/6f90acaaac962f666741dae8fa20170e1d9a71e4].

> Hoist, a utility to replace literals in a SQL string with placeholders
> ----------------------------------------------------------------------
>
>                 Key: CALCITE-4087
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4087
>             Project: Calcite
>          Issue Type: New Feature
>          Components: babel
>    Affects Versions: 1.23.0
>            Reporter: Julian Hyde
>            Assignee: Julian Hyde
>            Priority: Major
>             Fix For: 1.24.0
>
>
> Add "Hoist", a utility to replace literals in a SQL string with placeholders.
> By default it uses Calcite's parser, but you can configure to use different quoting, casing, and also to use a different parser such as Babel for other dialects of SQL.
> It generates a data structure, {{Hoisted}}, that contains a map of where the literals occur within the SQL string. The Hoisted.substitute method generates an alternative SQL string, replacing the literals with a custom string.
> It does not call {{SqlNode.unparse}}, and therefore does not lose any of the original formatting.
> For more examples, see tests added to {{SqlParserTest}} and {{BabelParserTest}}.



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