mirror of
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76 lines
3.4 KiB
Go
76 lines
3.4 KiB
Go
package migrations
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import (
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"github.com/grafana/grafana/pkg/services/sqlstore/migrator"
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)
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func addFolderMigrations(mg *migrator.Migrator) {
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mg.AddMigration("create folder table", migrator.NewAddTableMigration(folderv1()))
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mg.AddMigration("Add index for parent_uid", migrator.NewAddIndexMigration(folderv1(), &migrator.Index{
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Cols: []string{"parent_uid", "org_id"},
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}))
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mg.AddMigration("Add unique index for folder.uid and folder.org_id", migrator.NewAddIndexMigration(folderv1(), &migrator.Index{
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Type: migrator.UniqueIndex,
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Cols: []string{"uid", "org_id"},
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}))
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mg.AddMigration("Update folder title length", migrator.NewTableCharsetMigration("folder", []*migrator.Column{
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// it should be lower than 191 (the maximum length of indexable VARCHAR fields in MySQL 5.6 <= with utf8mb4 encoding)
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// but the title column length of the dashboard table whose values are copied into this column is 189
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{Name: "title", Type: migrator.DB_NVarchar, Length: 189, Nullable: false},
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}))
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mg.AddMigration("Add unique index for folder.title and folder.parent_uid", migrator.NewAddIndexMigration(folderv1(), &migrator.Index{
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Type: migrator.UniqueIndex,
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Cols: []string{"title", "parent_uid"},
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}))
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mg.AddMigration("Remove unique index for folder.title and folder.parent_uid", migrator.NewDropIndexMigration(folderv1(), &migrator.Index{
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Type: migrator.UniqueIndex,
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Cols: []string{"title", "parent_uid"},
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}))
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mg.AddMigration("Add unique index for title, parent_uid, and org_id", migrator.NewAddIndexMigration(folderv1(), &migrator.Index{
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Type: migrator.UniqueIndex,
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Cols: []string{"title", "parent_uid", "org_id"},
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}))
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mg.AddMigration("Sync dashboard and folder table", migrator.NewRawSQLMigration("").
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Mysql(`
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INSERT INTO folder (uid, org_id, title, created, updated)
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SELECT * FROM (SELECT uid, org_id, title, created, updated FROM dashboard WHERE is_folder = 1) AS derived
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ON DUPLICATE KEY UPDATE title=derived.title, updated=derived.updated
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`).Postgres(`
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INSERT INTO folder (uid, org_id, title, created, updated)
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SELECT uid, org_id, title, created, updated FROM dashboard WHERE is_folder = true
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ON CONFLICT(uid, org_id) DO UPDATE SET title=excluded.title, updated=excluded.updated
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`).SQLite(`
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INSERT INTO folder (uid, org_id, title, created, updated)
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SELECT uid, org_id, title, created, updated FROM dashboard WHERE is_folder = 1
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ON CONFLICT DO UPDATE SET title=excluded.title, updated=excluded.updated
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`))
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mg.AddMigration("Remove ghost folders from the folder table", migrator.NewRawSQLMigration(`
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DELETE FROM folder WHERE NOT EXISTS
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(SELECT 1 FROM dashboard WHERE dashboard.uid = folder.uid AND dashboard.org_id = folder.org_id AND dashboard.is_folder = true)
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`))
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}
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func folderv1() migrator.Table {
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// Do not make any changes to this schema; introduce new migrations for further changes
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return migrator.Table{
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Name: "folder",
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Columns: []*migrator.Column{
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{Name: "id", Type: migrator.DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
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{Name: "uid", Type: migrator.DB_NVarchar, Length: 40},
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{Name: "org_id", Type: migrator.DB_BigInt, Nullable: false},
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{Name: "title", Type: migrator.DB_NVarchar, Length: 255, Nullable: false},
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{Name: "description", Type: migrator.DB_NVarchar, Length: 255, Nullable: true},
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{Name: "parent_uid", Type: migrator.DB_NVarchar, Length: 40, Nullable: true},
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{Name: "created", Type: migrator.DB_DateTime, Nullable: false},
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{Name: "updated", Type: migrator.DB_DateTime, Nullable: false},
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},
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}
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}
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