implemented pending workflow for sql and PR

data/sql/updates/README.md

@@ -1 +1,3 @@
 Please read [this](https://github.com/azerothcore/azerothcore-wotlk/wiki/Dealing-with-SQL-files) before adding new SQL-update files.
+
+Use template sql files present in this folder to build your update file

data/sql/updates/db_auth/2016_08_25_00.sql

@@ -0,0 +1,6 @@
+ALTER TABLE auth_db_version CHANGE COLUMN 2016_07_10_00 2016_08_25_00 bit;
+
+--
+-- Do not remove this file when we archive sql under this folder
+-- it is needed for pending sql importer
+--

data/sql/updates/db_auth/2016_08_25_01.sql

@@ -0,0 +1,13 @@
+ALTER TABLE auth_db_version CHANGE COLUMN 2016_08_25_00 2016_08_25_01 bit;
+
+RENAME TABLE `auth_db_version` TO `version_db_auth`;
+
+ALTER TABLE `version_db_auth`
+ADD COLUMN `sql_rev` VARCHAR(100) NOT NULL FIRST,
+ADD COLUMN `required_rev` VARCHAR(100) NULL AFTER `sql_rev`,
+ADD PRIMARY KEY (`sql_rev`),
+ENGINE=INNODB;
+
+ALTER TABLE `version_db_auth` ADD CONSTRAINT `required` FOREIGN KEY (`required_rev`) REFERENCES `version_db_auth`(`sql_rev`);
+
+

data/sql/updates/db_characters/2016_08_14_00.sql

@@ -0,0 +1,7 @@
+-- uncomment and fix following line at next revision / updates archivation
+-- ALTER TABLE auth_db_version CHANGE COLUMN xxxx_xx_xx_xx xxxx_xx_xx_xx bit;
+
+--
+-- Do not remove this file when we archive sql under this folder
+-- it is needed for pending sql importer
+--

data/sql/updates/db_characters/2016_08_25_00.sql

@@ -0,0 +1,12 @@
+ALTER TABLE characters_db_version CHANGE COLUMN 2016_08_15_00 2016_08_25_00 bit;
+
+RENAME TABLE `characters_db_version` TO `version_db_characters`;
+
+ALTER TABLE `version_db_characters`
+ADD COLUMN `sql_rev` VARCHAR(100) NOT NULL FIRST,
+ADD COLUMN `required_rev` VARCHAR(100) NULL AFTER `sql_rev`,
+ADD PRIMARY KEY (`sql_rev`),
+ENGINE=INNODB;
+
+ALTER TABLE `version_db_characters` ADD CONSTRAINT `required` FOREIGN KEY (`required_rev`) REFERENCES `version_db_characters`(`sql_rev`);
+

data/sql/updates/db_world/2016_08_13_00.sql

@@ -0,0 +1,7 @@
+-- uncomment and fix following line at next revision / updates archivation
+-- ALTER TABLE auth_db_version CHANGE COLUMN xxxx_xx_xx_xx xxxx_xx_xx_xx bit;
+
+--
+-- Do not remove this file when we archive sql under this folder
+-- it is needed for pending sql importer
+--

data/sql/updates/db_world/2016_08_25_00.sql

@@ -0,0 +1,12 @@
+ALTER TABLE world_db_version CHANGE COLUMN 2016_08_24_01 2016_08_25_00 bit;
+
+RENAME TABLE `world_db_version` TO `version_db_world`;
+
+ALTER TABLE `version_db_world`
+ADD COLUMN `sql_rev` VARCHAR(100) NOT NULL FIRST,
+ADD COLUMN `required_rev` VARCHAR(100) NULL AFTER `sql_rev`,
+ADD PRIMARY KEY (`sql_rev`),
+ENGINE=INNODB;
+
+ALTER TABLE `version_db_world` ADD CONSTRAINT `required` FOREIGN KEY (`required_rev`) REFERENCES `version_db_world`(`sql_rev`);
+

data/sql/updates/pending_db_auth/template_for_auth_updates.txt

@@ -0,0 +1,38 @@
+DROP PROCEDURE IF EXISTS `updateDb`;
+DELIMITER //
+CREATE PROCEDURE updateDb ()
+proc:BEGIN DECLARE OK VARCHAR(100) DEFAULT "FALSE";
+
+-- ###############################
+-- CHANGE FOLLOWING VARIABLES
+-- ############################### 
+
+-- fill new_version with result of this bash command: date +%s%N
+-- you must run it for each sql updates 
+SET @new_version="";
+-- set previous required version, or do not touch it if you are not sure
+SET @req_version=NULL;
+
+-- ###############################
+-- DO NOT CHANGE IT
+-- ###############################
+SELECT sql_rev INTO OK FROM version_db_auth WHERE sql_rev = @new_version; IF OK <> "FALSE" THEN LEAVE proc; END IF; START TRANSACTION; INSERT INTO version_db_auth VALUES(@new_version,@req_version,NULL); 
+
+-- ###############################
+-- INSERT YOUR SQL QUERIES HERE
+-- ###############################
+
+
+
+
+-- ###############################
+-- TERMINATE YOUR SQL QUERIES HERE
+-- ###############################
+
+COMMIT;
+END;
+//
+DELIMITER ;
+CALL updateDb();
+DROP PROCEDURE IF EXISTS `updateDb`;
+

data/sql/updates/pending_db_characters/template_for_characters_updates.txt

@@ -0,0 +1,38 @@
+DROP PROCEDURE IF EXISTS `updateDb`;
+DELIMITER //
+CREATE PROCEDURE updateDb ()
+proc:BEGIN DECLARE OK VARCHAR(100) DEFAULT "FALSE";
+
+-- ###############################
+-- CHANGE FOLLOWING VARIABLES
+-- ############################### 
+
+-- fill new_version with result of this bash command: date +%s%N
+-- you must run it for each sql updates 
+SET @new_version="";
+-- set previous required version, or do not touch it if you are not sure
+SET @req_version=NULL;
+
+-- ###############################
+-- DO NOT CHANGE IT
+-- ###############################
+SELECT sql_rev INTO OK FROM version_db_characters WHERE sql_rev = @new_version; IF OK <> "FALSE" THEN LEAVE proc; END IF; START TRANSACTION; INSERT INTO version_db_characters VALUES(@new_version,@req_version,NULL); 
+
+-- ###############################
+-- INSERT YOUR SQL QUERIES HERE
+-- ###############################
+
+
+
+
+-- ###############################
+-- TERMINATE YOUR SQL QUERIES HERE
+-- ###############################
+
+COMMIT;
+END;
+//
+DELIMITER ;
+CALL updateDb();
+DROP PROCEDURE IF EXISTS `updateDb`;
+

data/sql/updates/pending_db_world/template_for_world_updates.txt

@@ -0,0 +1,38 @@
+DROP PROCEDURE IF EXISTS `updateDb`;
+DELIMITER //
+CREATE PROCEDURE updateDb ()
+proc:BEGIN DECLARE OK VARCHAR(100) DEFAULT "FALSE";
+
+-- ###############################
+-- CHANGE FOLLOWING VARIABLES
+-- ############################### 
+
+-- fill new_version with result of this bash command: date +%s%N
+-- you must run it for each sql updates 
+SET @new_version="";
+-- set previous required version, or do not touch it if you are not sure
+SET @req_version=NULL;
+
+-- ###############################
+-- DO NOT CHANGE IT
+-- ###############################
+SELECT sql_rev INTO OK FROM version_db_world WHERE sql_rev = @new_version; IF OK <> "FALSE" THEN LEAVE proc; END IF; START TRANSACTION; INSERT INTO version_db_world VALUES(@new_version,@req_version,NULL); 
+
+-- ###############################
+-- INSERT YOUR SQL QUERIES HERE
+-- ###############################
+
+
+
+
+-- ###############################
+-- TERMINATE YOUR SQL QUERIES HERE
+-- ###############################
+
+COMMIT;
+END;
+//
+DELIMITER ;
+CALL updateDb();
+DROP PROCEDURE IF EXISTS `updateDb`;
+