rafsun42 commented on code in PR #1803:
URL: https://github.com/apache/age/pull/1803#discussion_r1588052328
##########
regress/sql/cypher_subquery.sql:
##########
@@ -73,13 +73,24 @@ SELECT * FROM cypher('subquery', $$ MATCH (a:person)
}
RETURN
(a) $$) AS (result agtype);
---union, no returns, not yet implemented, should error out
+--union, no returns
SELECT * FROM cypher('subquery', $$ MATCH (a:person)
WHERE
EXISTS {
Review Comment:
Just curious (because I don't know EXISTS subquery much), how does WHERE
EXISTS work if the inner subquery does not return?
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