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MDEV-16327: Server doesn't account for engines that supports OFFSET on their own.

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Engine get LIMIT/OFFSET info an can it use/reset.
This commit is contained in:
Oleksandr Byelkin
2019-10-11 13:08:53 +02:00
parent a6de640804
commit ebeb4f93e8
6 changed files with 71 additions and 7 deletions
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3
sql/sql_select.cc
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@ -3146,7 +3146,8 @@ bool JOIN::make_aggr_tables_info()
{
/* Check if the storage engine can intercept the query */
Query query= {&all_fields, select_distinct, tables_list, conds,
group_list, order ? order : group_list, having};
group_list, order ? order : group_list, having,
&select_lex->master_unit()->lim};
group_by_handler *gbh= ht->create_group_by(thd, &query);
if (gbh)