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WL#3629 - Replication of Invocation and Invoked Features

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This changeset adds replication of events and user-defined functions. 
There are several bug reports involved in this change:

BUG#16421, BUG#17857, BUG#20384:
This patch modifies the mysql.events table to permit the addition of
another enum value for the status column. The column now has values
of ('DISABLED','SLAVESIDE_DISABLED','ENABLED'). A status of
SLAVESIDE_DISABLED is set on the slave during replication of events.
This enables users to determine which events werereplicated from the 
master and to later enable them if they promote the slave to a master.
The CREATE, ALTER, and DROP statements are binlogged.
A new test was added for replication of events (rpl_events).

BUG#17671:
This patch modifies the code to permit logging of user-defined functions.
Note: this is the CREATE FUNCTION ... SONAME variety. A more friendly error 
message to be displayed should a replicated user-defined function not be
found in the loadable library or if the library is missing from the
slave.The CREATE andDROP statements are binlogged. A new test was added 
for replication of user-defined functions (rpl_udf). 

The patch also adds a new column to the mysql.event table named
'originator' that is used to store the server_id of the server that
the event originated on. This enables users to promote a slave to a 
master and later return the promoted slave to a slave and disable the
replicated events.
This commit is contained in:
cbell/Chuck@mysql_cab_desk.
2007-03-16 09:56:57 -04:00
parent 2763e9af9a
commit 3e44599c11
27 changed files with 1041 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
scripts/mysql_create_system_tables.sh
View File

@ -832,7 +832,7 @@ then
c_ev="$c_ev last_executed DATETIME default NULL,"
c_ev="$c_ev starts DATETIME default NULL,"
c_ev="$c_ev ends DATETIME default NULL,"
c_ev="$c_ev status ENUM('ENABLED','DISABLED') NOT NULL default 'ENABLED',"
c_ev="$c_ev status ENUM('ENABLED','DISABLED','SLAVESIDE_DISABLED') NOT NULL default 'ENABLED',"
c_ev="$c_ev on_completion ENUM('DROP','PRESERVE') NOT NULL default 'DROP',"
c_ev="$c_ev sql_mode set("
c_ev="$c_ev 'REAL_AS_FLOAT',"
@ -867,6 +867,7 @@ then
c_ev="$c_ev 'HIGH_NOT_PRECEDENCE'"
c_ev="$c_ev ) DEFAULT '' NOT NULL,"
c_ev="$c_ev comment char(64) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL default '',"
c_ev="$c_ev originator int(10) NOT NULL,
c_ev="$c_ev PRIMARY KEY (db, name)"
c_ev="$c_ev ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT 'Events';"
fi

5
scripts/mysql_fix_privilege_tables.sql
View File

@ -648,7 +648,7 @@ CREATE TABLE event (
last_executed DATETIME default NULL,
starts DATETIME default NULL,
ends DATETIME default NULL,
status ENUM('ENABLED','DISABLED') NOT NULL default 'ENABLED',
status ENUM('ENABLED','DISABLED','SLAVESIDE_DISABLED') NOT NULL default 'ENABLED',
on_completion ENUM('DROP','PRESERVE') NOT NULL default 'DROP',
sql_mode set(
'REAL_AS_FLOAT',
@ -683,6 +683,7 @@ CREATE TABLE event (
'HIGH_NOT_PRECEDENCE'
) DEFAULT '' NOT NULL,
comment char(64) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL default '',
originator int(10) NOT NULL,
PRIMARY KEY (db,name)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT 'Events';
@ -737,6 +738,8 @@ ALTER TABLE event ADD sql_mode
UPDATE user SET Event_priv=Super_priv WHERE @hadEventPriv = 0;
ALTER TABLE event MODIFY name char(64) CHARACTER SET utf8 NOT NULL default '';
ALTER TABLE event ADD COLUMN originator INT(10) NOT NULL;
ALTER TABLE event MODIFY COLUMN status ENUM('ENABLED','DISABLED','SLAVESIDE_DISABLED') NOT NULL default 'ENABLED';
#
# TRIGGER privilege