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merge

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This commit is contained in:
Sunanda Menon
2011-03-22 14:34:04 +01:00
parent 3972755fd9 fc6ef378d4
commit 24934b254c
5 changed files with 184 additions and 194 deletions
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75
mysql-test/r/innodb_mysql_sync.result
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@ -94,74 +94,7 @@ SET DEBUG_SYNC= 'RESET';
# Bug#42230 during add index, cannot do queries on storage engines
# that implement add_index
#
DROP DATABASE IF EXISTS db1;
DROP TABLE IF EXISTS t1;
# Test 1: Secondary index, should not block reads (original test case).
# Connection default
CREATE DATABASE db1;
CREATE TABLE db1.t1(id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, value INT) engine=innodb;
INSERT INTO db1.t1(value) VALUES (1), (2);
SET DEBUG_SYNC= "alter_table_manage_keys SIGNAL manage WAIT_FOR query";
# Sending:
ALTER TABLE db1.t1 ADD INDEX(value);
# Connection con1
SET DEBUG_SYNC= "now WAIT_FOR manage";
USE db1;
SELECT * FROM t1;
id value
1 1
2 2
SET DEBUG_SYNC= "now SIGNAL query";
# Connection default
# Reaping: ALTER TABLE db1.t1 ADD INDEX(value)
DROP DATABASE db1;
# Test 2: Primary index (implicit), should block reads.
CREATE TABLE t1(a INT NOT NULL, b INT NOT NULL) engine=innodb;
SET DEBUG_SYNC= "alter_table_manage_keys SIGNAL manage WAIT_FOR query";
# Sending:
ALTER TABLE t1 ADD UNIQUE INDEX(a);
# Connection con1
SET DEBUG_SYNC= "now WAIT_FOR manage";
USE test;
# Sending:
SELECT * FROM t1;
# Connection con2
# Waiting for SELECT to be blocked by the metadata lock on t1
SET DEBUG_SYNC= "now SIGNAL query";
# Connection default
# Reaping: ALTER TABLE t1 ADD UNIQUE INDEX(a)
# Connection con1
# Reaping: SELECT * FROM t1
a b
# Test 3: Primary index (explicit), should block reads.
# Connection default
ALTER TABLE t1 DROP INDEX a;
SET DEBUG_SYNC= "alter_table_manage_keys SIGNAL manage WAIT_FOR query";
# Sending:
ALTER TABLE t1 ADD PRIMARY KEY (a);
# Connection con1
SET DEBUG_SYNC= "now WAIT_FOR manage";
# Sending:
SELECT * FROM t1;
# Connection con2
# Waiting for SELECT to be blocked by the metadata lock on t1
SET DEBUG_SYNC= "now SIGNAL query";
# Connection default
# Reaping: ALTER TABLE t1 ADD PRIMARY KEY (a)
# Connection con1
# Reaping: SELECT * FROM t1
a b
# Test 4: Secondary unique index, should not block reads.
# Connection default
SET DEBUG_SYNC= "alter_table_manage_keys SIGNAL manage WAIT_FOR query";
# Sending:
ALTER TABLE t1 ADD UNIQUE (b);
# Connection con1
SET DEBUG_SYNC= "now WAIT_FOR manage";
SELECT * FROM t1;
a b
SET DEBUG_SYNC= "now SIGNAL query";
# Connection default
# Reaping: ALTER TABLE t1 ADD UNIQUE (b)
SET DEBUG_SYNC= "RESET";
DROP TABLE t1;
#
# DISABLED due to Bug#11815600
#