public dashboards: add public dashboard table (#48470)

* add public dashboard table migration

pkg/services/sqlstore/migrations/dashboard_public_config_mig.go

@@ -0,0 +1,26 @@
+package migrations
+
+import (
+	. "github.com/grafana/grafana/pkg/services/sqlstore/migrator"
+)
+
+func addPublicDashboardMigration(mg *Migrator) {
+	var dashboardPublicCfgV1 = Table{
+		Name: "dashboard_public_config",
+		Columns: []*Column{
+			{Name: "uid", Type: DB_BigInt, IsPrimaryKey: true},
+			{Name: "dashboard_uid", Type: DB_NVarchar, Length: 40, Nullable: false},
+			{Name: "org_id", Type: DB_BigInt, Nullable: false},
+			{Name: "refresh_rate", Type: DB_Int, Nullable: false, Default: "30"},
+			{Name: "template_variables", Type: DB_MediumText, Nullable: true},
+			{Name: "time_variables", Type: DB_Text, Nullable: false},
+		},
+		Indices: []*Index{
+			{Cols: []string{"uid"}, Type: UniqueIndex},
+			{Cols: []string{"org_id", "dashboard_uid"}},
+		},
+	}
+
+	mg.AddMigration("create dashboard public config v1", NewAddTableMigration(dashboardPublicCfgV1))
+	addTableIndicesMigrations(mg, "v1", dashboardPublicCfgV1)
+}

pkg/services/sqlstore/migrations/migrations.go

@@ -89,6 +89,8 @@ func (*OSSMigrations) AddMigration(mg *Migrator) {
 	}
 
 	addEntityEventsTableMigration(mg)
+
+	addPublicDashboardMigration(mg)
 }
 
 func addMigrationLogMigrations(mg *Migrator) {