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Bug#48525: trigger changes "Column 'id' cannot be null" behaviour

CHECK_FIELD_IGNORE was treated as CHECK_FIELD_ERROR_FOR_NULL;
UPDATE...SET...NULL on NOT NULL fields behaved differently after
a trigger.

Now distinguishes between IGNORE and ERROR_FOR_NULL and save/restores
check-field options.
This commit is contained in:
Tatiana A. Nurnberg
2010-03-29 03:32:30 +01:00
parent 2049d1afc0
commit ec210cd09d
7 changed files with 55 additions and 9 deletions

View File

@ -2111,4 +2111,21 @@ SET @bug51650 = 1;
INSERT IGNORE INTO t2 SET a = '777';
DROP TRIGGER trg1;
DROP TABLE t1, t2;
CREATE TABLE t1 (id INT NOT NULL);
CREATE TABLE t2 (id INT NOT NULL);
INSERT t1 VALUES (1),(2),(3);
UPDATE t1 SET id=NULL;
Warnings:
Warning 1048 Column 'id' cannot be null
Warning 1048 Column 'id' cannot be null
Warning 1048 Column 'id' cannot be null
CREATE TRIGGER t1_bu BEFORE UPDATE ON t1 FOR EACH ROW
INSERT INTO t2 VALUES (3);
UPDATE t1 SET id=NULL;
Warnings:
Warning 1048 Column 'id' cannot be null
Warning 1048 Column 'id' cannot be null
Warning 1048 Column 'id' cannot be null
DROP TRIGGER t1_bu;
DROP TABLE t1,t2;
End of 5.1 tests.