diff --git a/session_exist.go b/session_exist.go index 049c1ddf..378a6483 100644 --- a/session_exist.go +++ b/session_exist.go @@ -10,6 +10,7 @@ import ( "reflect" "github.com/go-xorm/builder" + "github.com/go-xorm/core" ) // Exist returns true if the record exist otherwise return false @@ -35,10 +36,18 @@ func (session *Session) Exist(bean ...interface{}) (bool, error) { return false, err } - sqlStr = fmt.Sprintf("SELECT * FROM %s WHERE %s LIMIT 1", tableName, condSQL) + if session.engine.dialect.DBType() == core.MSSQL { + sqlStr = fmt.Sprintf("SELECT top 1 * FROM %s WHERE %s", tableName, condSQL) + } else { + sqlStr = fmt.Sprintf("SELECT * FROM %s WHERE %s LIMIT 1", tableName, condSQL) + } args = condArgs } else { - sqlStr = fmt.Sprintf("SELECT * FROM %s LIMIT 1", tableName) + if session.engine.dialect.DBType() == core.MSSQL { + sqlStr = fmt.Sprintf("SELECT top 1 * FROM %s", tableName) + } else { + sqlStr = fmt.Sprintf("SELECT * FROM %s LIMIT 1", tableName) + } args = []interface{}{} } } else {