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https://issues.apache.org/jira/browse/CALCITE-5265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jess Balint closed CALCITE-5265.
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Resolved in release 1.33.0 (2023-02-06)
> JDBC adapter sometimes adds unnecessary parentheses around SELECT in INSERT
> ---------------------------------------------------------------------------
>
> Key: CALCITE-5265
> URL: https://issues.apache.org/jira/browse/CALCITE-5265
> Project: Calcite
> Issue Type: Bug
> Reporter: Mou Wu
> Assignee: Mou Wu
> Priority: Trivial
> Labels: pull-request-available
> Fix For: 1.33.0
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Add a case in RelToSqlConverterTest:
> {code:java}
> // code placeholder
> @Test void testInsertValueWithDynamicParams() {
> final String sql = "insert into \"DEPT\" values (?,?,?)";
> final String expected = ""
> + "INSERT INTO \"SCOTT\".\"DEPT\" (\"DEPTNO\", \"DNAME\", \"LOC\")\n"
> + "SELECT ? AS \"DEPTNO\", ? AS \"DNAME\", ? AS \"LOC\"\n"
> + "FROM (VALUES (0)) AS \"t\" (\"ZERO\")";
> sql(sql)
> .schema(CalciteAssert.SchemaSpec.JDBC_SCOTT)
> .ok(expected);
> }{code}
> will fail, because actual sql is with parentheses, maybe it's all right with
> parentheses, but the behavior is different from Union operator, you can see
> testInsertValuesWithDynamicParams in RelToSqlConverterTest class.
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