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#1435860840
DELIMITER $$
DROP PROCEDURE IF EXISTS alter_if_not_exists $$
DROP PROCEDURE IF EXISTS alter_if_exists $$
CREATE PROCEDURE alter_if_not_exists(my_table TINYTEXT, my_column TINYTEXT, my_command TINYTEXT, my_predicate TEXT)
BEGIN
set @dbname = DATABASE();
IF EXISTS (
SELECT * FROM information_schema.TABLES
WHERE TABLE_SCHEMA = @dbname
AND TABLE_NAME = my_table
) AND NOT EXISTS (
SELECT * FROM information_schema.COLUMNS
WHERE TABLE_SCHEMA = @dbname
AND TABLE_NAME = my_table
AND COLUMN_NAME = my_column
)
THEN
SET @q = CONCAT('ALTER TABLE ', @dbname, '.', my_table, ' ',
my_command, ' `', my_column, '` ', my_predicate);
PREPARE STMT FROM @q;
EXECUTE STMT;
END IF;
END $$
CREATE PROCEDURE alter_if_exists(my_table TINYTEXT, my_column TINYTEXT, my_command TINYTEXT, my_predicate TEXT)
BEGIN
set @dbname = DATABASE();
IF EXISTS (
SELECT * FROM information_schema.COLUMNS
WHERE TABLE_SCHEMA = @dbname
AND TABLE_NAME = my_table
AND COLUMN_NAME = my_column
)
THEN
SET @q = CONCAT('ALTER TABLE ', @dbname, '.', my_table, ' ',
my_command, ' `', my_column, '` ', my_predicate);
PREPARE STMT FROM @q;
EXECUTE STMT;
END IF;
END $$
CALL alter_if_not_exists('item_db', 'forceserial', 'ADD COLUMN', 'TINYINT(1) UNSIGNED DEFAULT NULL AFTER `bindonequip`') $$
CALL alter_if_not_exists('item_db2', 'forceserial', 'ADD COLUMN', 'TINYINT(1) UNSIGNED DEFAULT NULL AFTER `bindonequip`') $$
DROP PROCEDURE IF EXISTS alter_if_not_exists $$
DROP PROCEDURE IF EXISTS alter_if_exists $$
DELIMITER ';'
INSERT INTO `sql_updates` (`timestamp`) VALUES (1435860840);
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