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Fix issues in the new ADD COLUMN constraint checking. Add preliminary

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test cases.

FossilOrigin-Name: 48434ad3fa9504c063d812d119bc8f622548fd02b3d478ff247b11474c4ce5db
This commit is contained in:
drh
2021-07-20 08:23:54 +00:00
parent b4d9b2b537
commit 0f91a5352b
6 changed files with 62 additions and 22 deletions
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49
test/alter3.test
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@ -13,8 +13,6 @@
# file format change that may be used in the future to implement
# "ALTER TABLE ... ADD COLUMN".
#
# $Id: alter3.test,v 1.11 2008/03/19 00:21:31 drh Exp $
#
set testdir [file dirname $argv0]
@ -395,4 +393,51 @@ do_test alter3-8.2 {
}
} [list $::sql]
# 2021-07-20: Add support for detecting CHECK and NOT NULL constraint
# violations in ALTER TABLE ADD COLUMN
#
reset_db
do_execsql_test alter3-9.1 {
CREATE TABLE t1(a,b);
INSERT INTO t1 VALUES(1, 2), ('null!',NULL), (3,4);
} {}
do_catchsql_test alter3-9.2 {
ALTER TABLE t1 ADD COLUMN c CHECK(a!=1);
} {1 {CHECK constraint failed}}
do_catchsql_test alter3-9.3 {
ALTER TABLE t1 ADD COLUMN c CHECK(a!=3);
} {1 {CHECK constraint failed}}
do_catchsql_test alter3-9.4 {
ALTER TABLE t1 ADD COLUMN c CHECK(a!=2);
} {0 {}}
do_catchsql_test alter3-9.5 {
ALTER TABLE t1 ADD COLUMN d AS (b+1) NOT NULL;
} {1 {NOT NULL constraint failed}}
do_catchsql_test alter3-9.6 {
ALTER TABLE t1 ADD COLUMN d AS (b+1) NOT NULL CHECK(a!=1);
} {1 {CHECK constraint failed}}
do_catchsql_test alter3-9.7 {
ALTER TABLE t1 ADD COLUMN d AS (b+1) NOT NULL CHECK(a!=3);
} {1 {NOT NULL constraint failed}}
do_execsql_test alter3-9.10 {
CREATE TEMP TABLE t0(m,n);
INSERT INTO t0 VALUES(1, 2), ('null!',NULL), (3,4);
ATTACH ':memory:' AS aux1;
CREATE TABLE aux1.t2(x,y);
INSERT INTO t2 VALUES(1, 2), ('null!',NULL), (3,4);
} {}
do_catchsql_test alter3-9.11 {
ALTER TABLE t0 ADD COLUMN xtra1 AS (n+1) NOT NULL CHECK(m!=1);
} {1 {CHECK constraint failed}}
do_catchsql_test alter3-9.12 {
ALTER TABLE t0 ADD COLUMN xtra1 AS (n+1) NOT NULL CHECK(m!=3);
} {1 {NOT NULL constraint failed}}
do_catchsql_test alter3-9.13 {
ALTER TABLE t2 ADD COLUMN xtra1 AS (y+1) NOT NULL CHECK(x!=1);
} {1 {CHECK constraint failed}}
do_catchsql_test alter3-9.14 {
ALTER TABLE t2 ADD COLUMN xtra1 AS (y+1) NOT NULL CHECK(x!=3);
} {1 {NOT NULL constraint failed}}
finish_test