database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-08 11:22:35 +03:00
Code Activity

Merge remote-tracking branch 'github/bb-11.4-release' into bb-11.8-serg

Browse Source
This commit is contained in:
Sergei Golubchik
2025-04-27 11:33:27 +02:00
committed by Oleksandr Byelkin
parent a0b77eb806 a8d4642375
commit 237e24497b
430 changed files with 14769 additions and 6751 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
sql/sql_lex.cc
View File

@@ -11492,7 +11492,8 @@ st_select_lex::build_pushable_cond_for_having_pushdown(THD *thd, Item *cond)
Field_pair *get_corresponding_field_pair(Item *item,
List<Field_pair> pair_list)
{
DBUG_ASSERT(item->type() == Item::FIELD_ITEM ||
DBUG_ASSERT(item->type() == Item::DEFAULT_VALUE_ITEM ||
item->type() == Item::FIELD_ITEM ||
(item->type() == Item::REF_ITEM &&
((((Item_ref *) item)->ref_type() == Item_ref::VIEW_REF) ||
(((Item_ref *) item)->ref_type() == Item_ref::REF))));
@@ -12578,6 +12579,48 @@ bool SELECT_LEX_UNIT::explainable() const
false;
}
/**
Find the real table in prepared SELECT tree
NOTE: all SELECT must be prepared (to have leaf table list).
NOTE: it looks only for real tables (not view or derived)
@param thd the current thread handle
@param db_name name of db of the table to look for
@param db_name name of db of the table to look for
@return first found table, NULL or ERROR_TABLE
*/
TABLE_LIST *SELECT_LEX::find_table(THD *thd,
const LEX_CSTRING *db_name,
const LEX_CSTRING *table_name)
{
uchar buff[STACK_BUFF_ALLOC]; // Max argument in function
if (check_stack_overrun(thd, STACK_MIN_SIZE, buff))
return NULL;
List_iterator_fast <TABLE_LIST> ti(leaf_tables);
TABLE_LIST *table;
while ((table= ti++))
{
if (cmp(&table->db, db_name) == 0 &&
cmp(&table->table_name, table_name) == 0)
return table;
}
for (SELECT_LEX_UNIT *u= first_inner_unit(); u; u= u->next_unit())
{
for (st_select_lex *sl= u->first_select(); sl; sl=sl->next_select())
{
if ((table= sl->find_table(thd, db_name, table_name)))
return table;
}
}
return NULL;
}
bool st_select_lex::is_query_topmost(THD *thd)
{