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112 lines
3.2 KiB
Go
112 lines
3.2 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package migration is used for migration
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//
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// The table structure is as follow:
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//
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// CREATE TABLE `migrations` (
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// `id_migration` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'surrogate key',
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// `name` varchar(255) DEFAULT NULL COMMENT 'migration name, unique',
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// `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT 'date migrated or rolled back',
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// `statements` longtext COMMENT 'SQL statements for this migration',
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// `rollback_statements` longtext,
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// `status` enum('update','rollback') DEFAULT NULL COMMENT 'update indicates it is a normal migration while rollback means this migration is rolled back',
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// PRIMARY KEY (`id_migration`)
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// ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
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package migration
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import (
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"github.com/astaxie/beego/pkg/client/orm/migration"
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)
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// const the data format for the bee generate migration datatype
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const (
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DateFormat = "20060102_150405"
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DBDateFormat = "2006-01-02 15:04:05"
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)
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// Migrationer is an interface for all Migration struct
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type Migrationer interface {
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Up()
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Down()
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Reset()
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Exec(name, status string) error
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GetCreated() int64
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}
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// Migration defines the migrations by either SQL or DDL
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type Migration migration.Migration
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// Up implement in the Inheritance struct for upgrade
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func (m *Migration) Up() {
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(*migration.Migration)(m).Up()
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}
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// Down implement in the Inheritance struct for down
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func (m *Migration) Down() {
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(*migration.Migration)(m).Down()
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}
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// Migrate adds the SQL to the execution list
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func (m *Migration) Migrate(migrationType string) {
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(*migration.Migration)(m).Migrate(migrationType)
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}
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// SQL add sql want to execute
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func (m *Migration) SQL(sql string) {
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(*migration.Migration)(m).SQL(sql)
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}
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// Reset the sqls
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func (m *Migration) Reset() {
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(*migration.Migration)(m).Reset()
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}
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// Exec execute the sql already add in the sql
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func (m *Migration) Exec(name, status string) error {
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return (*migration.Migration)(m).Exec(name, status)
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}
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// GetCreated get the unixtime from the Created
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func (m *Migration) GetCreated() int64 {
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return (*migration.Migration)(m).GetCreated()
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}
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// Register register the Migration in the map
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func Register(name string, m Migrationer) error {
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return migration.Register(name, m)
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}
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// Upgrade upgrade the migration from lasttime
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func Upgrade(lasttime int64) error {
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return migration.Upgrade(lasttime)
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}
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// Rollback rollback the migration by the name
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func Rollback(name string) error {
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return migration.Rollback(name)
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}
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// Reset reset all migration
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// run all migration's down function
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func Reset() error {
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return migration.Reset()
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}
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// Refresh first Reset, then Upgrade
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func Refresh() error {
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return migration.Refresh()
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}
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