File: alter_primary_key.result

package info (click to toggle)
mariadb-10.5 1%3A10.5.23-0%2Bdeb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 712,240 kB
  • sloc: ansic: 2,158,658; cpp: 1,843,101; asm: 297,745; perl: 59,967; sh: 53,869; pascal: 38,348; java: 33,919; yacc: 19,639; python: 11,119; xml: 10,126; sql: 10,027; ruby: 8,544; makefile: 6,343; cs: 2,866; lex: 1,205; javascript: 1,037; objc: 80; tcl: 73; awk: 46; php: 22; sed: 16
file content (28 lines) | stat: -rw-r--r-- 729 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
#
# MDEV-23244 ALTER TABLE…ADD PRIMARY KEY fails to flag
# duplicate key error from concurrent DML
#
CREATE TABLE t0 (pk INT PRIMARY KEY) ENGINE=InnoDB;
CREATE TABLE t1 (c CHAR(2) NOT NULL) ENGINE=InnoDB;
INSERT INTO  t1 VALUES('cd');
connect  con1,localhost,root,,;
BEGIN;
INSERT INTO t0 VALUES(1);
connection default;
SET DEBUG_SYNC='row_log_table_apply1_before SIGNAL dml WAIT_FOR dml_done';
ALTER TABLE t1 ADD PRIMARY KEY(c(1));
connection con1;
SET DEBUG_SYNC='now WAIT_FOR dml';
INSERT INTO t1 VALUES ('ab'),('ac');
COMMIT;
SET DEBUG_SYNC='now SIGNAL dml_done';
disconnect con1;
connection default;
ERROR 23000: Duplicate entry 'a' for key 'PRIMARY'
SET DEBUG_SYNC='RESET';
SELECT * FROM t1;
c
cd
ab
ac
DROP TABLE t0,t1;