feat: support postgres config update without restart

Author: sweatybridge

cmd/postgres.go

@@ -29,21 +29,24 @@ var (
 		Long: `Overriding the default Postgres config could result in unstable database behavior.
 Custom configuration also overrides the optimizations generated based on the compute add-ons in use.`,
 		RunE: func(cmd *cobra.Command, args []string) error {
-			return update.Run(cmd.Context(), flags.ProjectRef, postgresConfigValues, postgresConfigUpdateReplaceMode, afero.NewOsFs())
+			return update.Run(cmd.Context(), flags.ProjectRef, postgresConfigValues, postgresConfigUpdateReplaceMode, noRestart, afero.NewOsFs())
 		},
 	}
 
 	postgresConfigValues            []string
 	postgresConfigUpdateReplaceMode bool
+	noRestart                       bool
 )
 
 func init() {
 	postgresCmd.PersistentFlags().StringVar(&flags.ProjectRef, "project-ref", "", "Project ref of the Supabase project.")
 	postgresCmd.AddCommand(postgresConfigGetCmd)
 	postgresCmd.AddCommand(postgresConfigUpdateCmd)
 
-	postgresConfigUpdateCmd.Flags().StringSliceVar(&postgresConfigValues, "config", []string{}, "Config overrides specified as a 'key=value' pair")
-	postgresConfigUpdateCmd.Flags().BoolVar(&postgresConfigUpdateReplaceMode, "replace-existing-overrides", false, "If true, replaces all existing overrides with the ones provided. If false (default), merges existing overrides with the ones provided.")
+	updateFlags := postgresConfigUpdateCmd.Flags()
+	updateFlags.StringSliceVar(&postgresConfigValues, "config", []string{}, "Config overrides specified as a 'key=value' pair")
+	updateFlags.BoolVar(&postgresConfigUpdateReplaceMode, "replace-existing-overrides", false, "If true, replaces all existing overrides with the ones provided. If false (default), merges existing overrides with the ones provided.")
+	updateFlags.BoolVar(&noRestart, "no-restart", false, "Do not restart the database after updating config.")
 
 	rootCmd.AddCommand(postgresCmd)
 }

internal/postgresConfig/update/update.go

@@ -13,7 +13,7 @@ import (
 	"github.com/supabase/cli/internal/utils"
 )
 
-func Run(ctx context.Context, projectRef string, values []string, replaceOverrides bool, fsys afero.Fs) error {
+func Run(ctx context.Context, projectRef string, values []string, replaceOverrides, noRestart bool, fsys afero.Fs) error {
 	// 1. Prepare config overrides
 	newConfigOverrides := make(map[string]string)
 	for _, config := range values {
@@ -49,6 +49,9 @@ func Run(ctx context.Context, projectRef string, values []string, replaceOverrid
 	}
 	// 4. update config overrides and print out final result
 	{
+		if noRestart {
+			finalOverrides["restart_database"] = false
+		}
 		bts, err := json.Marshal(finalOverrides)
 		if err != nil {
 			return errors.Errorf("failed to serialize config overrides: %w", err)