Software / code / prosody
Changeset
8395:fbb9a1c2120e
mod_storage_sql: Add support for truncating deletion
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Thu, 09 Nov 2017 16:50:36 +0100 |
| parents | 8394:4892c22403d5 |
| children | 8396:fbe1f99fb245 |
| files | plugins/mod_storage_sql.lua |
| diffstat | 1 files changed, 29 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- a/plugins/mod_storage_sql.lua Fri Nov 10 09:44:30 2017 +0100 +++ b/plugins/mod_storage_sql.lua Thu Nov 09 16:50:36 2017 +0100 @@ -374,7 +374,35 @@ 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;
