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MCOL-1052 WIP Working with HAVING over agg functions problem.

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This commit is contained in:
Roman Nozdrin
2018-04-05 17:20:26 +03:00
parent 78aeedb162
commit 617ff85b94
5 changed files with 313 additions and 504 deletions
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38
dbcon/mysql/ha_calpont.cpp
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@ -1139,9 +1139,7 @@ static MYSQL_SYSVAR_ULONG(
0);
#endif
/*@brief ha_calpont_impl_group_by_init - Get data for MariaDB group_by
pushdown handler
*/
/*@brief create_calpont_group_by_handler- Creates handler*/
/***********************************************************
* DESCRIPTION:
* Creates a group_by pushdown handler.
@ -1158,16 +1156,27 @@ create_calpont_group_by_handler(THD *thd, Query *query)
{
ha_calpont_group_by_handler *handler = NULL;
handler = new ha_calpont_group_by_handler(thd, query);
if ( thd->infinidb_vtable.vtable_state == THD::INFINIDB_DISABLE_VTABLE )
{
handler = new ha_calpont_group_by_handler(thd, query);
// Notify the server, that CS handles GROUP BY, ORDER BY and HAVING clauses.
query->group_by = NULL;
query->order_by = NULL;
query->having = NULL;
}
// Notify the server, that CS handles GROUP BY, ORDER BY and HAVING clauses.
query->group_by = NULL;
query->order_by = NULL;
query->having = NULL;
return handler;
}
/***********************************************************
* DESCRIPTION:
* Makes the plan and prepares the data
* RETURN:
* int rc
***********************************************************/
int ha_calpont_group_by_handler::init_scan()
{
DBUG_ENTER("ha_calpont_group_by_handler::init_scan");
@ -1181,6 +1190,12 @@ int ha_calpont_group_by_handler::init_scan()
DBUG_RETURN(rc);
}
/***********************************************************
* DESCRIPTION:
* Fetches a row and saves it to a temporary table.
* RETURN:
* int rc
***********************************************************/
int ha_calpont_group_by_handler::next_row()
{
DBUG_ENTER("ha_calpont_group_by_handler::next_row");
@ -1189,6 +1204,12 @@ int ha_calpont_group_by_handler::next_row()
DBUG_RETURN(rc);
}
/***********************************************************
* DESCRIPTION:
* Shuts the scan down.
* RETURN:
* int rc
***********************************************************/
int ha_calpont_group_by_handler::end_scan()
{
DBUG_ENTER("ha_calpont_group_by_handler::end_scan");
@ -1196,7 +1217,6 @@ int ha_calpont_group_by_handler::end_scan()
int rc = ha_calpont_impl_group_by_end(this, table);
DBUG_RETURN(rc);
// return 0;
}