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60 lines
2.2 KiB
Go
60 lines
2.2 KiB
Go
package migrations
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import . "github.com/grafana/grafana/pkg/services/sqlstore/migrator"
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func addDashboardVersionMigration(mg *Migrator) {
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dashboardVersionV1 := Table{
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Name: "dashboard_version",
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Columns: []*Column{
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{Name: "id", Type: DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
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{Name: "dashboard_id", Type: DB_BigInt},
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{Name: "parent_version", Type: DB_Int, Nullable: false},
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{Name: "restored_from", Type: DB_Int, Nullable: false},
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{Name: "version", Type: DB_Int, Nullable: false},
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{Name: "created", Type: DB_DateTime, Nullable: false},
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{Name: "created_by", Type: DB_BigInt, Nullable: false},
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{Name: "message", Type: DB_Text, Nullable: false},
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{Name: "data", Type: DB_Text, Nullable: false},
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},
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Indices: []*Index{
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{Cols: []string{"dashboard_id"}},
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{Cols: []string{"dashboard_id", "version"}, Type: UniqueIndex},
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},
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}
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mg.AddMigration("create dashboard_version table v1", NewAddTableMigration(dashboardVersionV1))
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mg.AddMigration("add index dashboard_version.dashboard_id", NewAddIndexMigration(dashboardVersionV1, dashboardVersionV1.Indices[0]))
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mg.AddMigration("add unique index dashboard_version.dashboard_id and dashboard_version.version", NewAddIndexMigration(dashboardVersionV1, dashboardVersionV1.Indices[1]))
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// before new dashboards where created with version 0, now they are always inserted with version 1
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const setVersionTo1WhereZeroSQL = `UPDATE dashboard SET version = 1 WHERE version = 0`
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mg.AddMigration("Set dashboard version to 1 where 0", NewRawSQLMigration(setVersionTo1WhereZeroSQL))
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const rawSQL = `INSERT INTO dashboard_version
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(
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dashboard_id,
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version,
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parent_version,
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restored_from,
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created,
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created_by,
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message,
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data
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)
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SELECT
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dashboard.id,
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dashboard.version,
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dashboard.version,
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dashboard.version,
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dashboard.updated,
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COALESCE(dashboard.updated_by, -1),
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'',
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dashboard.data
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FROM dashboard;`
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mg.AddMigration("save existing dashboard data in dashboard_version table v1", NewRawSQLMigration(rawSQL))
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// change column type of dashboard_version.data
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mg.AddMigration("alter dashboard_version.data to mediumtext v1", NewRawSQLMigration("").
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Mysql("ALTER TABLE dashboard_version MODIFY data MEDIUMTEXT;"))
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}
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