mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 12:02:42 +01:00
8819b5eea5
The reason was that during MyISAM parallel repair two threads used the same changed TABLE object to compute virtual columns Fixed by adding a mutex in compute_vcols()
51 lines
1.3 KiB
Text
51 lines
1.3 KiB
Text
#
|
|
# MDEV-23318 Assertion `cache_empty(keycache)' failed in
|
|
# prepare_resize_simple_key_cache
|
|
#
|
|
SET @buffer_size.save= @@key_buffer_size;
|
|
SET GLOBAL key_buffer_size= 134217728;
|
|
SET myisam_repair_threads= 6;
|
|
CREATE TABLE t1 (
|
|
pk INT AUTO_INCREMENT,
|
|
a INTEGER,
|
|
b DATE,
|
|
c VARCHAR(1),
|
|
d BLOB,
|
|
PRIMARY KEY (pk),
|
|
KEY (a),
|
|
KEY (b),
|
|
KEY (c, a),
|
|
UNIQUE (d)
|
|
) ENGINE=MyISAM;
|
|
INSERT INTO t1 (a,b,c) SELECT seq, '2020-12-12', 'x' FROM seq_1_to_20;
|
|
ALTER TABLE t1 DISABLE KEYS;
|
|
SET GLOBAL c.key_buffer_size= 13700864;
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect key_buffer_size value: '13700864'
|
|
INSERT INTO t1 SELECT 1;
|
|
ERROR 21S01: Column count doesn't match value count at row 1
|
|
SET GLOBAL c.key_buffer_size= 0;
|
|
DROP TABLE t1;
|
|
SET GLOBAL key_buffer_size= 134217728;
|
|
CREATE TABLE t1 (
|
|
pk INT AUTO_INCREMENT,
|
|
a INTEGER,
|
|
b DATE,
|
|
c VARCHAR(1),
|
|
d VARBINARY(40982),
|
|
PRIMARY KEY (pk),
|
|
KEY (a),
|
|
KEY (b),
|
|
KEY (c, a),
|
|
UNIQUE (d)
|
|
) ENGINE=MyISAM;
|
|
INSERT INTO t1 (a,b,c) SELECT seq, '2020-12-12', 'x' FROM seq_1_to_20;
|
|
ALTER TABLE t1 DISABLE KEYS;
|
|
SET GLOBAL c.key_buffer_size= 13700864;
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect key_buffer_size value: '13700864'
|
|
INSERT INTO t1 SELECT 1;
|
|
ERROR 21S01: Column count doesn't match value count at row 1
|
|
SET GLOBAL c.key_buffer_size= 0;
|
|
DROP TABLE t1;
|
|
SET GLOBAL key_buffer_size= @buffer_size.save;
|