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MDEV-32086 (part 2) Server crash when inserting from derived table containing insert target table

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Get rid of need of matherialization for usual INSERT (cache results in
Item_cache* if needed)

- subqueries in VALUE do not see new records in the table we are
  inserting to
- subqueries in RETIRNING prohibited to use the table we are inserting to
This commit is contained in:
Oleksandr Byelkin
2025-04-18 12:14:23 +02:00
parent 9b313d2de1
commit 4fc9dc84b0
33 changed files with 705 additions and 165 deletions
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2
sql/sql_insert.h
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@@ -27,7 +27,7 @@ int mysql_prepare_insert(THD *thd, TABLE_LIST *table_list,
List<Item> &fields, List_item *values,
List<Item> &update_fields,
List<Item> &update_values, enum_duplicates duplic,
COND **where, bool select_insert);
COND **where, bool select_insert, bool * const cache_results);
bool mysql_insert(THD *thd,TABLE_LIST *table,List<Item> &fields,
List<List_item> &values, List<Item> &update_fields,
List<Item> &update_values, enum_duplicates flag,