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|
#########
# SETUP #
#########
# Stop the running the server
# Copy and unzip the datadir.
# Restart the server against the unzipped datadir
# restart: --datadir=DATADIR --innodb-page-size=16k
##############################################
# Test instant ADD/DROP COLUMN for REDUNDANT format
##############################################
# ------------------------------------------------------------
# Start server with old datadir with
# table t1_redundant having
# c1 normal column
# c2 INSTANT ADD column
#
# table t2_redundant having
# id, c1 normal columns
# c2 INSTANT ADD column
# ------------------------------------------------------------
SHOW CREATE TABLE t1_redundant;
Table Create Table
t1_redundant CREATE TABLE `t1_redundant` (
`c1` longtext,
`c2` int DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=REDUNDANT
BEGIN;
UPDATE t1_redundant SET c2 = 0;
ROLLBACK;
SELECT SUBSTRING(c1, 1000, 32) FROM t1_redundant;
SUBSTRING(c1, 1000, 32)
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
SHOW CREATE TABLE t2_redundant;
Table Create Table
t2_redundant CREATE TABLE `t2_redundant` (
`id` int NOT NULL AUTO_INCREMENT,
`c1` longtext,
`c2` int DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=REDUNDANT
BEGIN;
UPDATE t2_redundant SET c2 = 0;
ROLLBACK;
SELECT SUBSTRING(c1, 1000, 32) FROM t2_redundant;
SUBSTRING(c1, 1000, 32)
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
############################################
# Test instant ADD/DROP COLUMN for DYNAMIC format
############################################
# ------------------------------------------------------------
# Start server with old datadir with
# table t1_dynamic having
# c1 normal column
# c2 INSTANT ADD column
#
# table t2_dynamic having
# id, c1 normal columns
# c2 INSTANT ADD column
# ------------------------------------------------------------
SHOW CREATE TABLE t1_dynamic;
Table Create Table
t1_dynamic CREATE TABLE `t1_dynamic` (
`c1` longtext,
`c2` int DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=DYNAMIC
BEGIN;
UPDATE t1_dynamic SET c2 = 0;
ROLLBACK;
SELECT SUBSTRING(c1, 1000, 32) FROM t1_dynamic;
SUBSTRING(c1, 1000, 32)
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
SHOW CREATE TABLE t2_dynamic;
Table Create Table
t2_dynamic CREATE TABLE `t2_dynamic` (
`id` int NOT NULL AUTO_INCREMENT,
`c1` longtext,
`c2` int DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=DYNAMIC
BEGIN;
UPDATE t2_dynamic SET c2 = 0;
ROLLBACK;
SELECT SUBSTRING(c1, 1000, 32) FROM t2_dynamic;
SUBSTRING(c1, 1000, 32)
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
############################################
# Test instant ADD/DROP COLUMN for COMPACT format
############################################
# ------------------------------------------------------------
# Start server with old datadir with
# table t1_compact having
# c1 normal column
# c2 INSTANT ADD column
#
# table t2_compact having
# id, c1 normal columns
# c2 INSTANT ADD column
# ------------------------------------------------------------
SHOW CREATE TABLE t1_compact;
Table Create Table
t1_compact CREATE TABLE `t1_compact` (
`c1` longtext,
`c2` int DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPACT
BEGIN;
UPDATE t1_compact SET c2 = 0;
ROLLBACK;
SELECT SUBSTRING(c1, 1000, 32) FROM t1_compact;
SUBSTRING(c1, 1000, 32)
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
SHOW CREATE TABLE t2_compact;
Table Create Table
t2_compact CREATE TABLE `t2_compact` (
`id` int NOT NULL AUTO_INCREMENT,
`c1` longtext,
`c2` int DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPACT
BEGIN;
UPDATE t2_compact SET c2 = 0;
ROLLBACK;
SELECT SUBSTRING(c1, 1000, 32) FROM t2_compact;
SUBSTRING(c1, 1000, 32)
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
###########
# CLEANUP #
###########
# Shutdown server
# Remove copied files
# Restarting server to restore server state
# restart
|
