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When adding the implied "LIMIT 1" to the end of a scalar subquery, make sure

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that subquery is not a VALUES-only query as such queries cannot deal with
LIMIT clauses.

FossilOrigin-Name: 7c27310bdf6b4af44a0811a2787ed64966d720d2
This commit is contained in:
drh
2015-04-15 05:20:44 +00:00
parent 0ec68f845c
commit 1978d171cb
4 changed files with 16 additions and 8 deletions
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7
test/select4.test
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@ -863,5 +863,12 @@ do_execsql_test select4-14.8 {
do_execsql_test select4-14.9 {
SELECT * FROM t14 UNION ALL VALUES(3,2,1),(2,3,1),(1,2,3),(2,1,3);
} {1 2 3 4 5 6 3 2 1 2 3 1 1 2 3 2 1 3}
do_execsql_test select4-14.10 {
SELECT (VALUES(1),(2),(3),(4))
} {1}
do_execsql_test select4-14.11 {
SELECT (SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4)
} {1}
finish_test