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mariadb-columnstore-engine/dbcon/mysql/calsetuserpriority.sql

78 lines
2.4 KiB
SQL

/* Copyright (C) 2014 InfiniDB, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
/*
* $Id: calsetuserpriority.sql 9440 2013-04-24 21:07:42Z chao $
*/
DELIMITER $$
DROP PROCEDURE IF EXISTS infinidb_querystats.calSetUserPriority;
CREATE PROCEDURE infinidb_querystats.calSetUserPriority(IN host VARCHAR(50), IN usr VARCHAR(50), IN pri VARCHAR(10))
LANGUAGE SQL
NOT DETERMINISTIC
MODIFIES SQL DATA
SQL SECURITY INVOKER
COMMENT 'Procedure to set a given InfiniDB user to the given priority'
pri_validation: BEGIN
IF upper(pri) not in ('HIGH', 'MEDIUM', 'LOW') THEN
select "Priority can only be set to 'High', 'Medium', or 'Low'" Error;
leave pri_validation;
END IF;
IF INSTR(host, ":") != 0 THEN
select "Port number cannot be used when setting user priority" Error;
leave pri_validation;
END IF;
user_validation: BEGIN
DECLARE cnt,c INT;
DECLARE cur_2 CURSOR for select count(*) from mysql.user where upper(user.host)=upper(host) and upper(user.user)=upper(usr);
DECLARE CONTINUE HANDLER FOR NOT FOUND
SET c = 1;
OPEN cur_2;
SET cnt = 0;
REPEAT
FETCH cur_2 into cnt;
until c = 1
END REPEAT;
IF cnt = 0 THEN
select "User does not exist in MySQL" Error;
LEAVE user_validation;
END IF;
BEGIN
DECLARE a, b INT;
DECLARE cur_1 CURSOR FOR SELECT count(*) FROM infinidb_querystats.user_priority where upper(user)=upper(usr) and upper(user_priority.host)=upper(host);
DECLARE CONTINUE HANDLER FOR NOT FOUND
SET b = 1;
OPEN cur_1;
SET a = 0;
REPEAT
FETCH cur_1 INTO a;
UNTIL b = 1
END REPEAT;
CLOSE cur_1;
IF a = 0 THEN
insert into infinidb_querystats.user_priority values (host, usr, upper(pri));
ELSE
update infinidb_querystats.user_priority set priority=upper(pri) where upper(user)=upper(usr) and upper(user_priority.host)=upper(host);
END IF;
END;
END;
END$$
DELIMITER ;