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Make Replication filter settings dynamic.

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Make the slave options --replicate-* dynamic variables so that these
options can be changed dynamically while the server is running,
which enables users to modify replication filtering rules without
having to stop and restart the server.

This is accomplished by just requiring that the slave threads are
stopped when these options are set dynamically. Since filtering
rules are only used by the SQL slave thread, setting them while the
thread is not running avoids the need for locking.
This commit is contained in:
Davi Arnaut
2012-03-19 15:00:23 -07:00
committed by unknown
parent 7789f3d567
commit 9584cbe7fc
23 changed files with 1483 additions and 18 deletions
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37
mysql-test/suite/sys_vars/r/replicate_do_db_basic.result Normal file
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#
# Basic testing of replicate_do_db.
#
SET @save_replicate_do_db = @@GLOBAL.replicate_do_db;
SELECT @save_replicate_do_db;
@save_replicate_do_db
# Scope.
SET @@SESSION.replicate_do_db = "";
ERROR HY000: Variable 'replicate_do_db' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@SESSION.replicate_do_db;
ERROR HY000: Variable 'replicate_do_db' is a GLOBAL variable
# Incorrect type.
SET @@GLOBAL.replicate_do_db=1;
ERROR 42000: Incorrect argument type to variable 'replicate_do_db'
SET @@GLOBAL.replicate_do_db=1.1;
ERROR 42000: Incorrect argument type to variable 'replicate_do_db'
SET @@GLOBAL.replicate_do_db=1e1;
ERROR 42000: Incorrect argument type to variable 'replicate_do_db'
# Argument syntax.
SET @@GLOBAL.replicate_do_db="db1,,,,,db3";
SELECT @@GLOBAL.replicate_do_db;
@@GLOBAL.replicate_do_db
db1,db3
SELECT * FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='replicate_do_db';
VARIABLE_NAME VARIABLE_VALUE
REPLICATE_DO_DB db1,db3
SET @@GLOBAL.replicate_do_db="db1,,,db2,,,db3";
SELECT @@GLOBAL.replicate_do_db;
@@GLOBAL.replicate_do_db
db1,db2,db3
SET @@GLOBAL.replicate_do_db="";
SELECT @@GLOBAL.replicate_do_db;
@@GLOBAL.replicate_do_db
# Cleanup.
SET @@GLOBAL.replicate_do_db = @save_replicate_do_db;