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Fix a problem in SQLITE_ENABLE_HIDDEN_COLUMN builds occuring when an UPDATE...FROM fired an INSTEAD OF trigger.

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FossilOrigin-Name: 5176cb7a6a4e8cfa1973aaae46fcd7d39baedb70ae20bfacc82d62ca39fb0aa3
This commit is contained in:
dan
2020-07-15 15:32:59 +00:00
parent 42d7a77b61
commit 243210b79b
5 changed files with 85 additions and 16 deletions
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54
test/triggerupfrom.test
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@ -115,6 +115,60 @@ do_execsql_test 3.0 {
SELECT * FROM t1;
} {2 TWO}
#-------------------------------------------------------------------------
# Test that INSTEAD OF UPDATE triggers on views work with UPDATE...FROM
# statements. Including, if the library is built with ENABLE_HIDDEN_COLUMNS,
# that they work correctly on views with hidden columns.
#
reset_db
do_execsql_test 4.0 {
CREATE TABLE t1(k, a, b);
INSERT INTO t1 VALUES('a', 1, 'one');
INSERT INTO t1 VALUES('b', 2, 'two');
INSERT INTO t1 VALUES('c', 3, 'three');
INSERT INTO t1 VALUES('d', 4, 'four');
CREATE TABLE log(x);
CREATE VIEW v1 AS SELECT k, a, b AS __hidden__b FROM t1;
CREATE TRIGGER tr1 INSTEAD OF UPDATE ON v1 BEGIN
INSERT INTO log VALUES(
'('||old.a||','||old.__hidden__b||')->('||new.a||','||new.__hidden__b||')'
);
END;
}
ifcapable hiddencolumns {
do_execsql_test 4.1-hc-enabled {
SELECT * FROM v1
} {a 1 b 2 c 3 d 4}
} else {
do_execsql_test 4.1-hc-disabled {
SELECT * FROM v1
} {a 1 one b 2 two c 3 three d 4 four}
}
do_execsql_test 4.2 {
UPDATE v1 SET a='xyz' WHERE k IN ('a', 'c');
SELECT * FROM log;
DELETE FROM log;
} {
(1,one)->(xyz,one)
(3,three)->(xyz,three)
}
do_execsql_test 4.3 {
CREATE TABLE map(k, v);
INSERT INTO map VALUES('b', 'twelve');
INSERT INTO map VALUES('d', 'fourteen');
UPDATE v1 SET a=map.v FROM map WHERE v1.k=map.k;
SELECT * FROM log;
DELETE FROM log;
} {
(2,two)->(twelve,two)
(4,four)->(fourteen,four)
}
finish_test