/usr/share/mysql/ Current File: //usr/share/mysql/debian_create_root_user.sql
-- Get the hostname, if the hostname has any wildcard character like "_" or "%"
-- add escape character in front of wildcard character to convert "_" or "%" to
-- a plain character
SET @get_hostname= @@hostname;
SELECT REPLACE((SELECT REPLACE(@get_hostname,'_','\_')),'%','\%') INTO @current_hostname;

-- Fill "user" table with default users allowing root access
-- from local machine if "user" table didn't exist before
CREATE TEMPORARY TABLE tmp_user LIKE user;
INSERT INTO tmp_user VALUES ('localhost','root','','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','','','','',0,0,0,0,'','','N');
REPLACE INTO tmp_user SELECT @current_hostname,'root','','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','','','','',0,0,0,0,'','','N' FROM dual WHERE LOWER( @current_hostname) != 'localhost';
REPLACE INTO tmp_user VALUES ('127.0.0.1','root','','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','','','','',0,0,0,0,'','','N');
REPLACE INTO tmp_user VALUES ('::1','root','','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','','','','',0,0,0,0,'','','N');
INSERT INTO user SELECT * FROM tmp_user WHERE @had_user_table=0;
DROP TABLE tmp_user;

CREATE TEMPORARY TABLE tmp_proxies_priv LIKE proxies_priv;
INSERT INTO tmp_proxies_priv VALUES ('localhost', 'root', '', '', TRUE, '', now());
REPLACE INTO tmp_proxies_priv SELECT @current_hostname, 'root', '', '', TRUE, '', now() FROM DUAL WHERE LOWER (@current_hostname) != 'localhost';
INSERT INTO  proxies_priv SELECT * FROM tmp_proxies_priv WHERE @had_proxies_priv_table=0;
DROP TABLE tmp_proxies_priv;
FLUSH PRIVILEGES;