fix: restore mysql docker build

server/db/mysql/adapter.go

@@ -3704,8 +3704,8 @@ func (a *adapter) MessageGetAll(topic string, forUser t.Uid, opts *t.QueryOpt) (
 // Get ranges of deleted messages
 func (a *adapter) MessageGetDeleted(topic string, forUser t.Uid, opts *t.QueryOpt) ([]t.DelMessage, error) {
 	var limit = a.maxResults
-	var lower = 0
-	var upper = 1<<31 - 1
+	var lower int64 = 0
+	var upper int64 = 1<<31 - 1
 
 	if opts != nil {
 		if opts.Since > 0 {
@@ -3738,8 +3738,8 @@ func (a *adapter) MessageGetDeleted(topic string, forUser t.Uid, opts *t.QueryOp
 		Topic      string
 		Deletedfor int64
 		Delid      int
-		Low        int
-		Hi         int
+		Low        int64
+		Hi         int64
 	}
 	var dmsgs []t.DelMessage
 	var dmsg t.DelMessage
@@ -3817,7 +3817,7 @@ func messageDeleteList(tx *sqlx.Tx, topic string, toDel *t.DelMessage) error {
 		}
 
 		// Find the actual IDs still present in the database.
-		var seqIDs []int
+		var seqIDs []int64
 		err = tx.Select(&seqIDs, "SELECT seqid FROM im_messages AS m WHERE "+where, args...)
 		if err != nil {
 			return err
@@ -3829,7 +3829,7 @@ func messageDeleteList(tx *sqlx.Tx, topic string, toDel *t.DelMessage) error {
 		}
 
 		// Recalculate the actual ranges to delete.
-		sort.Ints(seqIDs)
+		sort.Slice(seqIDs, func(i, j int) bool { return seqIDs[i] < seqIDs[j] })
 		delRanges = t.SliceToRanges(seqIDs)
 
 		// Compose a new query with the new ranges.