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https://issues.apache.org/jira/browse/CALCITE-5299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jess Balint closed CALCITE-5299.
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Resolved in release 1.33.0 (2023-02-06)
> JDBC adapter sometimes adds unnecessary parentheses around SELECT in WITH body
> ------------------------------------------------------------------------------
>
> Key: CALCITE-5299
> URL: https://issues.apache.org/jira/browse/CALCITE-5299
> Project: Calcite
> Issue Type: Bug
> Reporter: Mou Wu
> Assignee: Mou Wu
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.33.0
>
> Time Spent: 3h 20m
> Remaining Estimate: 0h
>
> Note: This issue is related to
> https://issues.apache.org/jira/browse/CALCITE-5265
> You should view comments in CALCITE-5265 before you view this issue.
> Add a case in SqlParserTest:
>
> {code:java}
> // code placeholder
> @Test void testWithSelect() {
> final String sql = "with emp2 as (select * from emp)\n"
> + "select * from emp2\n";
> final String expected = "WITH `EMP2` AS (SELECT *\n" +
> "FROM `EMP`) SELECT *\n" +
> "FROM `EMP2`";
> sql(sql).ok(expected);
> } {code}
> will fail, because actual sql is with parentheses.
>
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