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MDEV-16973 Application-time periods: DELETE

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* inject portion of time updates into mysql_delete main loop
* triggered case emits delete+insert, no updates
* PORTION OF `SYSTEM_TIME` is forbidden
* `DELETE HISTORY .. FOR PORTION OF ...` is forbidden as well
This commit is contained in:
Nikita Malyavin
2019-02-04 09:37:58 +10:00
committed by Sergei Golubchik
parent 073c93b194
commit 47e28a94d5
15 changed files with 1048 additions and 128 deletions
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sql/sql_lex.h
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@ -1281,6 +1281,7 @@ public:
/* push new Item_field into item_list */
bool vers_push_field(THD *thd, TABLE_LIST *table, const LEX_CSTRING field_name);
Item* period_setup_conds(THD *thd, TABLE_LIST *table, Item *where);
void init_query();
void init_select();
st_select_lex_unit* master_unit() { return (st_select_lex_unit*) master; }
@ -3378,6 +3379,7 @@ public:
/* System Versioning */
vers_select_conds_t vers_conditions;
vers_select_conds_t period_conditions;
inline void free_set_stmt_mem_root()
{