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Do not allow an ALTER TABLE ADD COLUMN on a STRICT table if the added column

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contains a DEFAULT clause that would violate the type of the added column.

FossilOrigin-Name: 75b075863eaa56e36635a1d27740d37de8600ba92099b3fad9378a1e6ce12c0e
This commit is contained in:
drh
2023-10-14 20:24:52 +00:00
parent 153790d9ae
commit d718bde6da
4 changed files with 33 additions and 9 deletions
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19
test/alter.test
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@ -934,5 +934,24 @@ do_execsql_test alter-19.3 {
SELECT name FROM sqlite_schema WHERE sql LIKE '%t3%' ORDER BY name;
} {r1 t3}
# 2023-10-14
# On an ALTER TABLE ADD COLUMN with a DEFAULT clause on a STRICT table
# make sure that the DEFAULT has a compatible type.
#
reset_db
do_execsql_test alter-20.1 {
CREATE TABLE t1(a INT) STRICT;
INSERT INTO t1(a) VALUES(45);
} {}
do_catchsql_test alter-20.2 {
ALTER TABLE t1 ADD COLUMN b TEXT DEFAULT x'313233';
} {1 {type mismatch on DEFAULT}}
do_execsql_test alter-20.2 {
DELETE FROM t1;
ALTER TABLE t1 ADD COLUMN b TEXT DEFAULT x'313233';
} {}
do_catchsql_test alter-20.3 {
INSERT INTO t1(a) VALUES(45);
} {1 {cannot store BLOB value in TEXT column t1.b}}
finish_test