mirror of
https://github.com/MariaDB/server.git
synced 2025-08-29 00:08:14 +03:00
93bcda598b
include/my_sys.h: Move generic file parsing functions out to shared code, as they are used in several places. mysys/mf_iocache2.c: Move generic file parsing functions out to shared code, as they are used in several places. sql/log_event.cc: Fix XtraDB build with embedded server. XtraDB needs access to replication stuff, which is missing in embedded server. Solved by defining wrapper function for this which is compiled differently for normal and embedded case. sql/log_event.h: Fix XtraDB build with embedded server. XtraDB needs access to replication stuff, which is missing in embedded server. Solved by defining wrapper function for this which is compiled differently for normal and embedded case. sql/slave.cc: Move generic file parsing functions out to shared code, as they are used in several places.
77 lines
1.6 KiB
Plaintext
77 lines
1.6 KiB
Plaintext
#
|
|
# We need big packets.
|
|
#
|
|
SET @old_global_max_allowed_packet=@@global.max_allowed_packet;
|
|
SET @@global.max_allowed_packet= 1024*1024*1024;
|
|
#
|
|
# Preparatory cleanup.
|
|
#
|
|
DROP TABLE IF EXISTS t1;
|
|
#
|
|
# We need a fixed timestamp to avoid varying results.
|
|
#
|
|
SET timestamp=1000000000;
|
|
#
|
|
# Delete all existing binary logs.
|
|
#
|
|
RESET MASTER;
|
|
#
|
|
# Create a test table.
|
|
#
|
|
CREATE TABLE t1 (
|
|
c1 LONGTEXT
|
|
) ENGINE=MyISAM DEFAULT CHARSET latin1;
|
|
#
|
|
# Show how much rows are affected by each statement.
|
|
#
|
|
#
|
|
# Insert a big row.
|
|
#
|
|
INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 2097152));
|
|
affected rows: 1
|
|
#
|
|
# Show what we have in the table.
|
|
# Do not display the column value itself, just its length.
|
|
#
|
|
SELECT LENGTH(c1) FROM t1;
|
|
LENGTH(c1) 33554432
|
|
affected rows: 1
|
|
#
|
|
# Grow the row by updating.
|
|
#
|
|
UPDATE t1 SET c1 = CONCAT(c1, c1);
|
|
affected rows: 1
|
|
info: Rows matched: 1 Changed: 1 Warnings: 0
|
|
#
|
|
# Show what we have in the table.
|
|
# Do not display the column value itself, just its length.
|
|
#
|
|
SELECT LENGTH(c1) FROM t1;
|
|
LENGTH(c1) 67108864
|
|
affected rows: 1
|
|
#
|
|
# Delete the row.
|
|
#
|
|
DELETE FROM t1 WHERE c1 >= 'ManyMegaByteBlck';
|
|
affected rows: 1
|
|
#
|
|
# Hide how much rows are affected by each statement.
|
|
#
|
|
#
|
|
# Flush all log buffers to the log file.
|
|
#
|
|
FLUSH LOGS;
|
|
#
|
|
# Call mysqlbinlog to display the log file contents.
|
|
# NOTE: The output of mysqlbinlog is redirected to
|
|
# $MYSQLTEST_VARDIR/tmp/mysqlbinlog_big_1.out
|
|
# If you want to examine it, disable remove_file
|
|
# at the bottom of the test script.
|
|
#
|
|
#
|
|
# Cleanup.
|
|
#
|
|
DROP TABLE t1;
|
|
SET @@global.max_allowed_packet=@old_global_max_allowed_packet;
|
|
remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog_big_1.out
|