67 lines
2.1 KiB
Go
67 lines
2.1 KiB
Go
// i2_bot – Instinct PokememBro Bot
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// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
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package migrations
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import (
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"database/sql"
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)
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// CreateSquadsUp creates `squads` table
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func CreateSquadsUp(tx *sql.Tx) error {
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request := "CREATE TABLE `squads` ("
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request += "`id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'ID отряда',"
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request += "`chat_id` int(11) NOT NULL COMMENT 'ID чата в базе',"
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request += "`author_id` int(11) NOT NULL COMMENT 'ID автора отряда',"
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request += "`created_at` datetime NOT NULL COMMENT 'Добавлено в базу',"
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request += "PRIMARY KEY (`id`),"
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request += "UNIQUE KEY `id` (`id`),"
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request += "KEY `squads_created_at` (`created_at`)"
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request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Отряды';"
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_, err := tx.Exec(request)
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if err != nil {
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return err
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}
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request = "CREATE TABLE `squads_players` ("
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request += "`id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'ID связи',"
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request += "`squad_id` int(11) NOT NULL COMMENT 'ID отряда в базе',"
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request += "`player_id` int(11) NOT NULL COMMENT 'ID игрока',"
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request += "`author_id` int(11) NOT NULL COMMENT 'ID добавившего в отряд',"
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request += "`created_at` datetime NOT NULL COMMENT 'Добавлено в базу',"
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request += "PRIMARY KEY (`id`),"
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request += "UNIQUE KEY `id` (`id`),"
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request += "KEY `squads_players_created_at` (`created_at`)"
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request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Связь Отряды-Игроки';"
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_, err = tx.Exec(request)
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if err != nil {
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return err
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}
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request = "ALTER TABLE `players` DROP COLUMN `squad_id`"
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_, err = tx.Exec(request)
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if err != nil {
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return err
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}
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return nil
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}
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// CreateSquadsDown drops `squads` table
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func CreateSquadsDown(tx *sql.Tx) error {
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_, err := tx.Exec("DROP TABLE `squads`;")
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if err != nil {
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return err
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}
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_, err = tx.Exec("DROP TABLE `squads_players`;")
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if err != nil {
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return err
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}
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_, err = tx.Exec("MODIFY TABLE `players` ADD COLUMN `league_id` int(11) COMMENT 'ID лиги' DEFAULT 0")
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if err != nil {
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return err
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}
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return nil
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}
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