docs: add comment

2019-10-21 14:42:47 +08:00 · 2019-10-21 14:42:47 +08:00 · f1c762187c
commit f1c762187c
parent ca4dedb311
1 changed files with 1 additions and 0 deletions
--- a/dialect_mysql.go
+++ b/dialect_mysql.go
@ -165,6 +165,7 @@ func (s mysql) HasForeignKey(tableName string, foreignKeyName string) bool {
 func (s mysql) HasTable(tableName string) bool {
 	currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
 	var name string
+	// allow mysql database name with '-' character
 	if err := s.db.QueryRow(fmt.Sprintf("SHOW TABLES FROM `%s` WHERE `Tables_in_%s` = ?", currentDatabase, currentDatabase), tableName).Scan(&name); err != nil {
 		if err == sql.ErrNoRows {
 			return false