Support 'postgresql' schema designator (#19275)

config/database.go

@@ -153,7 +153,7 @@ func parseDSN(dsn string) (string, string, error) {
 		// Strip off the mysql:// for the dsn with which to connect.
 		dsn = s[1]
 
-	case "postgres":
+	case "postgres", "postgresql":
 		// No changes required
 
 	default:

config/utils.go

@@ -174,7 +174,9 @@ func Merge(cfg *model.Config, patch *model.Config, mergeConfig *utils.MergeConfi
 }
 
 func IsDatabaseDSN(dsn string) bool {
-	return strings.HasPrefix(dsn, "mysql://") || strings.HasPrefix(dsn, "postgres://")
+	return strings.HasPrefix(dsn, "mysql://") ||
+		strings.HasPrefix(dsn, "postgres://") ||
+		strings.HasPrefix(dsn, "postgresql://")
 }
 
 // stripPassword remove the password from a given DSN

config/utils_test.go

@@ -159,10 +159,15 @@ func TestIsDatabaseDSN(t *testing.T) {
 			Expected: true,
 		},
 		{
-			Name:     "Postgresql DSN",
+			Name:     "Postgresql 'postgres' DSN",
 			DSN:      "postgres://localhost",
 			Expected: true,
 		},
+		{
+			Name:     "Postgresql 'postgresql' DSN",
+			DSN:      "postgresql://localhost",
+			Expected: true,
+		},
 		{
 			Name:     "Empty DSN",
 			DSN:      "",