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feat: improve mysqlGetNextResourceIndex to use modern MariaDB features (#8691)

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MariaDB supports "INSERT ... RETURNING ..." since 10.5.0, so this patch makes `mysqlGetNextResourceIndex` use that, provided the query is run on MariaDB of a sufficient version. If it's not supported it proceeds as it always did.

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/8691
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: BtbN <btbn@btbn.de>
Co-committed-by: BtbN <btbn@btbn.de>
This commit is contained in:
BtbN 2025-08-08 01:51:55 +02:00 • committed by Gusted
commit c872758c05
1 changed files with 9 additions and 4 deletions
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13
models/db/index.go
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@ -72,14 +72,19 @@ func postgresGetNextResourceIndex(ctx context.Context, tableName string, groupID
}
func mysqlGetNextResourceIndex(ctx context.Context, tableName string, groupID int64) (int64, error) {
if _, err := GetEngine(ctx).Exec(fmt.Sprintf("INSERT INTO %s (group_id, max_index) "+
"VALUES (?,1) ON DUPLICATE KEY UPDATE max_index = max_index+1",
tableName), groupID); err != nil {
res, err := GetEngine(ctx).Query(fmt.Sprintf("INSERT INTO %s (group_id, max_index) "+
"VALUES (?,1) ON DUPLICATE KEY UPDATE max_index = max_index+1 /*M!100500 RETURNING max_index */",
tableName), groupID)
if err != nil {
return 0, err
}
if len(res) > 0 {
return strconv.ParseInt(string(res[0]["max_index"]), 10, 64)
}
var idx int64
_, err := GetEngine(ctx).SQL(fmt.Sprintf("SELECT max_index FROM %s WHERE group_id = ?", tableName), groupID).Get(&idx)
_, err = GetEngine(ctx).SQL(fmt.Sprintf("SELECT max_index FROM %s WHERE group_id = ?", tableName), groupID).Get(&idx)
if err != nil {
return 0, err
}