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Posted to issues@calcite.apache.org by "krooswu (Jira)" <ji...@apache.org> on 2025/12/23 03:59:00 UTC
[jira] [Assigned] (CALCITE-7343) RelToSqlConverter generate wrong sql when scalar correlated sub-query in Project
[ https://issues.apache.org/jira/browse/CALCITE-7343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
krooswu reassigned CALCITE-7343:
--------------------------------
Assignee: krooswu
> RelToSqlConverter generate wrong sql when scalar correlated sub-query in Project
> --------------------------------------------------------------------------------
>
> Key: CALCITE-7343
> URL: https://issues.apache.org/jira/browse/CALCITE-7343
> Project: Calcite
> Issue Type: Bug
> Reporter: xiong duan
> Assignee: krooswu
> Priority: Major
>
> The unit test in RelToSqlConverterTest:
> {code:java}
> @Test void testProjectScalarSubquery() {
> final String sql = "SELECT \"EMPNO\", (SELECT COUNT(*) AS \"c\"\n" +
> "FROM \"EMP\"\n" +
> "WHERE \"MGR\" < \"t\".\"MGR\") AS \"$f1\"\n" +
> "FROM \"EMP\" as \"t\"\n" +
> "WHERE \"SAL\" > 10";
> final String expected = "SELECT \"EMPNO\", (SELECT COUNT(*) AS \"c\"\n" +
> "FROM \"SCOTT\".\"EMP\"\n" +
> "WHERE \"MGR\" < \"t\".\"MGR\") AS \"$f1\"\n" +
> "FROM \"SCOTT\".\"EMP\"\n" +
> "WHERE CAST(\"SAL\" AS DECIMAL(12, 2)) > 10.00";
> sql(sql)
> .schema(CalciteAssert.SchemaSpec.JDBC_SCOTT)
> .withCalcite()
> .ok(expected);
> } {code}
> The expected Sql should be:
> {code:java}
> final String expected = "SELECT \"EMPNO\", (SELECT COUNT(*) AS \"c\"\n" +
> "FROM \"SCOTT\".\"EMP\"\n" +
> "WHERE \"MGR\" < \"t\".\"MGR\") AS \"$f1\"\n" +
> "FROM \"SCOTT\".\"EMP\" as \"t\"\n" +
> "WHERE CAST(\"SAL\" AS DECIMAL(12, 2)) > 10.00"; {code}
> "SCOTT"."EMP" should have the alias t.
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