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https://issues.apache.org/jira/browse/CALCITE-3900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17080153#comment-17080153
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Danny Chen commented on CALCITE-3900:
-------------------------------------
Renamed SqlValidator.getConfig() to config(). The SqlValidatorImpl has many
sub-classes, it we make the config final, every sub-class would have to
re-implement the #transform which is error-prone.
I marked the #transform an internal API and i would make the config final
before 1.24.
> Add Config for SqlValidator
> ---------------------------
>
> Key: CALCITE-3900
> URL: https://issues.apache.org/jira/browse/CALCITE-3900
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.22.0
> Reporter: Danny Chen
> Assignee: Danny Chen
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.23.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The SqlValidator now has 7 setXXX methods to all kinds of control flags,
> which is hard for code evolving.
> There is also no way to config these things through the FrameworkConfig.
> Add a SqlValidator.Config to solve these problems.
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