diff options
| -rw-r--r-- | plugins/mod_storage_sql.lua | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/plugins/mod_storage_sql.lua b/plugins/mod_storage_sql.lua index 4c65b4f4..a9f81844 100644 --- a/plugins/mod_storage_sql.lua +++ b/plugins/mod_storage_sql.lua @@ -374,7 +374,35 @@ function archive_store:delete(username, query) end archive_where(query, args, where); archive_where_id_range(query, args, where); - sql_query = sql_query:format(t_concat(where, " AND ")); + if query.truncate == nil then + sql_query = sql_query:format(t_concat(where, " AND ")); + else + args[#args+1] = query.truncate; + local unlimited = "ALL"; + if engine.params.driver == "SQLite3" then + sql_query = [[ + DELETE FROM "prosodyarchive" + WHERE %s + ORDER BY "sort_id" %s + LIMIT %s OFFSET ?; + ]]; + unlimited = "-1"; + else + sql_query = [[ + DELETE FROM "prosodyarchive" + WHERE "sort_id" IN ( + SELECT "sort_id" FROM "prosodyarchive" + WHERE %s + ORDER BY "sort_id" %s + LIMIT %s OFFSET ? + );]]; + if engine.params.driver == "MySQL" then + unlimited = "18446744073709551615"; + end + end + sql_query = string.format(sql_query, t_concat(where, " AND "), + query.reverse and "ASC" or "DESC", unlimited); + end return engine:delete(sql_query, unpack(args)); end); return ok and stmt:affected(), stmt; |