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Make sure left-join markings are transferred to the virtual scalar

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subexpressions when decomposing a vector comparison in the ON clause of
a LEFT JOIN.
Fix for ticket [fef4bb4bd9185ec8f].

FossilOrigin-Name: 619f5cc71774a37648e185c8502d7af14eb09b7f
This commit is contained in:
drh
2016-10-27 01:02:20 +00:00
parent 9904298bb3
commit c52496f57f
4 changed files with 19 additions and 8 deletions
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10
test/rowvalue.test
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@@ -255,5 +255,15 @@ do_catchsql_test 11.8 {
SELECT * FROM t11 WHERE (a,a) IS NOT 1;
} {1 {row value misused}}
# 2016-10-27: https://www.sqlite.org/src/tktview/fef4bb4bd9185ec8f
# Incorrect result from a LEFT JOIN with a row-value constraint
#
do_execsql_test 12.1 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(1,2);
DROP TABLE IF EXISTS t2;
CREATE TABLE t2(x,y); INSERT INTO t2 VALUES(3,4);
SELECT *,'x' FROM t1 LEFT JOIN t2 ON (a,b)=(x,y);
} {1 2 {} {} x}
finish_test