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More work on SQL migrations

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This commit is contained in:
Torkel Ödegaard
2015-02-24 17:59:21 +01:00
parent 02a89c752b
commit ed68a4bb9a
9 changed files with 422 additions and 314 deletions
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pkg/services/sqlstore/migrations/dashboard_mig.go
+70 -62
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@@ -3,79 +3,87 @@ package migrations
import . "github.com/grafana/grafana/pkg/services/sqlstore/migrator"
func addDashboardMigration(mg *Migrator) {
mg.AddMigration("create dashboard table", new(AddTableMigration).
Name("dashboard").WithColumns(
&Column{Name: "id", Type: DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
&Column{Name: "version", Type: DB_Int, Nullable: false},
&Column{Name: "slug", Type: DB_NVarchar, Length: 255, Nullable: false},
&Column{Name: "title", Type: DB_NVarchar, Length: 255, Nullable: false},
&Column{Name: "data", Type: DB_Text, Nullable: false},
&Column{Name: "account_id", Type: DB_BigInt, Nullable: false},
&Column{Name: "created", Type: DB_DateTime, Nullable: false},
&Column{Name: "updated", Type: DB_DateTime, Nullable: false},
))
var dashboardV1 = Table{
Name: "dashboard",
Columns: []*Column{
&Column{Name: "id", Type: DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
&Column{Name: "version", Type: DB_Int, Nullable: false},
&Column{Name: "slug", Type: DB_NVarchar, Length: 255, Nullable: false},
&Column{Name: "title", Type: DB_NVarchar, Length: 255, Nullable: false},
&Column{Name: "data", Type: DB_Text, Nullable: false},
&Column{Name: "account_id", Type: DB_BigInt, Nullable: false},
&Column{Name: "created", Type: DB_DateTime, Nullable: false},
&Column{Name: "updated", Type: DB_DateTime, Nullable: false},
},
Indices: []*Index{
&Index{Cols: []string{"account_id"}},
&Index{Cols: []string{"account_id", "slug"}, Type: UniqueIndex},
},
}
mg.AddMigration("create dashboard_tag table", new(AddTableMigration).
Name("dashboard_tag").WithColumns(
&Column{Name: "id", Type: DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
&Column{Name: "dashboard_id", Type: DB_BigInt, Nullable: false},
&Column{Name: "term", Type: DB_NVarchar, Length: 50, Nullable: false},
))
mg.AddMigration("create dashboard table", NewAddTableMigration(dashboardV1))
//------- indexes ------------------
mg.AddMigration("add index dashboard.account_id", new(AddIndexMigration).
Table("dashboard").Columns("account_id"))
mg.AddMigration("add index dashboard.account_id", NewAddIndexMigration(dashboardV1, dashboardV1.Indices[0]))
mg.AddMigration("add unique index dashboard_account_id_slug", NewAddIndexMigration(dashboardV1, dashboardV1.Indices[1]))
mg.AddMigration("add unique index dashboard_account_id_slug", new(AddIndexMigration).
Table("dashboard").Columns("account_id", "slug").Unique())
dashboardTagV1 := Table{
Name: "dashboard_tag",
Columns: []*Column{
&Column{Name: "id", Type: DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
&Column{Name: "dashboard_id", Type: DB_BigInt, Nullable: false},
&Column{Name: "term", Type: DB_NVarchar, Length: 50, Nullable: false},
},
Indices: []*Index{
&Index{Cols: []string{"dashboard_id", "term"}, Type: UniqueIndex},
},
}
mg.AddMigration("add unique index dashboard_tag.dasboard_id_term", new(AddIndexMigration).
Table("dashboard_tag").Columns("dashboard_id", "term").Unique())
mg.AddMigration("create dashboard_tag table", NewAddTableMigration(dashboardTagV1))
mg.AddMigration("add unique index dashboard_tag.dasboard_id_term", NewAddIndexMigration(dashboardTagV1, dashboardTagV1.Indices[0]))
// ---------------------
// account -> org changes
//------- drop indexes ------------------
mg.AddMigration("drop index dashboard.account_id", new(DropIndexMigration).
Table("dashboard").Columns("account_id"))
mg.AddMigration("drop unique index dashboard_account_id_slug", new(DropIndexMigration).
Table("dashboard").Columns("account_id", "slug").Unique())
mg.AddMigration("drop unique index dashboard_tag.dasboard_id_term", new(DropIndexMigration).
Table("dashboard_tag").Columns("dashboard_id", "term").Unique())
//------- drop dashboard indexes ------------------
addDropAllIndicesMigrations(mg, "v1", dashboardTagV1)
//------- rename table ------------------
mg.AddMigration("rename table dashboard to dashboard_old", new(RenameTableMigration).
Rename("dashboard", "dashboard_old"))
addTableRenameMigration(mg, "dashboard", "dashboard_v1", "v1")
//------- recreate table with new column names ------------------
mg.AddMigration("create dashboard table v2", new(AddTableMigration).
Name("dashboard").WithColumns(
&Column{Name: "id", Type: DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
&Column{Name: "version", Type: DB_Int, Nullable: false},
&Column{Name: "slug", Type: DB_NVarchar, Length: 255, Nullable: false},
&Column{Name: "title", Type: DB_NVarchar, Length: 255, Nullable: false},
&Column{Name: "data", Type: DB_Text, Nullable: false},
&Column{Name: "org_id", Type: DB_BigInt, Nullable: false},
&Column{Name: "created", Type: DB_DateTime, Nullable: false},
&Column{Name: "updated", Type: DB_DateTime, Nullable: false},
))
// dashboard v2
var dashboardV2 = Table{
Name: "dashboard",
Columns: []*Column{
&Column{Name: "id", Type: DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
&Column{Name: "version", Type: DB_Int, Nullable: false},
&Column{Name: "slug", Type: DB_NVarchar, Length: 255, Nullable: false},
&Column{Name: "title", Type: DB_NVarchar, Length: 255, Nullable: false},
&Column{Name: "data", Type: DB_Text, Nullable: false},
&Column{Name: "org_id", Type: DB_BigInt, Nullable: false},
&Column{Name: "created", Type: DB_DateTime, Nullable: false},
&Column{Name: "updated", Type: DB_DateTime, Nullable: false},
},
Indices: []*Index{
&Index{Cols: []string{"org_id"}},
&Index{Cols: []string{"org_id", "slug"}, Type: UniqueIndex},
},
}
//------- dashboard table indexes ------------------
mg.AddMigration("add index dashboard.org_id", new(AddIndexMigration).
Table("dashboard").Columns("org_id"))
// recreate table
mg.AddMigration("create dashboard v2", NewAddTableMigration(dashboardV2))
// recreate indices
addTableIndicesMigrations(mg, "v2", dashboardV2)
// copy data
mg.AddMigration("copy dashboard v1 to v2", NewCopyTableDataMigration("dashboard", "dashboard_v1", map[string]string{
"id": "id",
"version": "version",
"slug": "slug",
"title": "title",
"data": "data",
"org_id": "account_id",
"created": "created",
"updated": "updated",
}))
mg.AddMigration("add unique index dashboard_org_id_slug", new(AddIndexMigration).
Table("dashboard").Columns("org_id", "slug").Unique())
mg.AddMigration("add unique index dashboard_tag.dasboard_id_term v2", new(AddIndexMigration).
Table("dashboard_tag").Columns("dashboard_id", "term").Unique())
//------- copy data from table -------------------
mg.AddMigration("copy data from dashboard_old table", new(CopyTableDataMigration).
Source("dashboard_old", "id, version, slug, title, data, account_id, created, updated").
Target("dashboard", "id, version, slug, title, data, org_id, created, updated"))
mg.AddMigration("Drop old table dashboard_old", new(DropTableMigration).Table("dashboard_old"))
mg.AddMigration("drop table dashboard_v1", NewDropTableMigration("dashboard_v1"))
}