完善数据库 SQL 约束与运维治理

backend/internal/database/gorm_logger.go

@@ -21,6 +21,10 @@ type structuredGormLogger struct {
 }
 
 func newGormLogger(logLevel string, logger *zap.Logger) gormLogger.Interface {
+	return newGormLoggerWithThreshold(logLevel, logger, 500*time.Millisecond)
+}
+
+func newGormLoggerWithThreshold(logLevel string, logger *zap.Logger, slowThreshold time.Duration) gormLogger.Interface {
 	level := gormLogger.Warn
 	if strings.EqualFold(strings.TrimSpace(logLevel), "debug") {
 		level = gormLogger.Info
@@ -28,10 +32,13 @@ func newGormLogger(logLevel string, logger *zap.Logger) gormLogger.Interface {
 	if logger == nil {
 		logger = zap.L()
 	}
+	if slowThreshold <= 0 {
+		slowThreshold = 500 * time.Millisecond
+	}
 	return &structuredGormLogger{
 		logger:        logger.With(zap.String("module", "database")),
 		level:         level,
-		slowThreshold: 500 * time.Millisecond,
+		slowThreshold: slowThreshold,
 	}
 }