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https://issues.apache.org/jira/browse/CALCITE-2427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16881124#comment-16881124
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Pressenna commented on CALCITE-2427:
------------------------------------
[~julianhyde] I tried this out in 1.20.0 and it fails for {{IN}} conditions.
Example:
{code:java}
CREATE TABLE t1 (id1 INT, val1 TEXT);
CREATE TABLE t2 (id2 INT, val2 TEXT);
UPDATE t1 SET val1 = 't2' WHERE id1 IN (1, 2, 3);
-- or
UPDATE t1 SET val1 = 't2' WHERE id1 IN (SELECT id2 FROM t2);
{code}
It is hitting a needToImplement issue in
{{org.apache.calcite.sql.validate.SqlValidatorImpl.getValidatedNodeType(SqlNode)}}.
> Sub-queries not supported in DML statements
> -------------------------------------------
>
> Key: CALCITE-2427
> URL: https://issues.apache.org/jira/browse/CALCITE-2427
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.14.0, 1.15.0, 1.16.0
> Reporter: Pressenna
> Priority: Major
> Labels: pull-request-available, sub-query
> Fix For: 1.20.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> It appears that subqueries are not supported in DML statements.
> The yield in a NPE.
> Respective
> [testcase|https://github.com/apache/calcite/blob/be3048300e140c5e9e5b4d23c0b27accd0af4c4d/core/src/test/java/org/apache/calcite/test/SqlToRelConverterTest.java#L1986]
> is disabled with reference to CALCITE-1527.
> {code:java}
> @Ignore("CALCITE-1527")
> @Test public void testUpdateSubQuery() {
> final String sql = "update emp\n"
> + "set empno = (\n"
> + " select min(empno) from emp as e where e.deptno = emp.deptno)";
> sql(sql).ok();
> }
> {code}
>
>
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