MySQL: Add parseTime=true to SQL connections (#92469)

pkg/services/sqlstore/sqlstore.go

@@ -296,15 +296,24 @@ func (ss *SQLStore) initEngine(engine *xorm.Engine) error {
 		}
 	}
 	if engine == nil {
+		connection := ss.dbCfg.ConnectionString
+
+		// Ensure that parseTime is enabled for MySQL
+		if ss.dbCfg.Type == migrator.MySQL && !strings.Contains(connection, "parseTime=") {
+			if ss.features.IsEnabledGlobally(featuremgmt.FlagMysqlParseTime) {
+				connection += "&parseTime=true"
+			}
+		}
+
 		var err error
-		engine, err = xorm.NewEngine(ss.dbCfg.Type, ss.dbCfg.ConnectionString)
+		engine, err = xorm.NewEngine(ss.dbCfg.Type, connection)
 		if err != nil {
 			return err
 		}
 		// Only for MySQL or MariaDB, verify we can connect with the current connection string's system var for transaction isolation.
 		// If not, create a new engine with a compatible connection string.
 		if ss.dbCfg.Type == migrator.MySQL {
-			engine, err = ss.ensureTransactionIsolationCompatibility(engine, ss.dbCfg.ConnectionString)
+			engine, err = ss.ensureTransactionIsolationCompatibility(engine, connection)
 			if err != nil {
 				return err
 			}
@@ -481,6 +490,7 @@ func getCfgForTesting(opts ...InitTestDBOpt) *setting.Cfg {
 func getFeaturesForTesting(opts ...InitTestDBOpt) featuremgmt.FeatureToggles {
 	featureKeys := []any{
 		featuremgmt.FlagPanelTitleSearch,
+		featuremgmt.FlagMysqlParseTime,
 	}
 	for _, opt := range opts {
 		if len(opt.FeatureFlags) > 0 {