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MDEV-20074: Lost connection on update trigger

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Instead of checking lex->sql_command which does not corect in case of triggers
mark tables for insert.
This commit is contained in:
Oleksandr Byelkin
2019-10-17 14:08:33 +02:00
parent 6cdde9ebbf
commit de2186dd2f
10 changed files with 305 additions and 17 deletions
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6
sql/table.h
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@@ -1985,7 +1985,8 @@ struct TABLE_LIST
prelocking_types prelocking_type,
TABLE_LIST *belong_to_view_arg,
uint8 trg_event_map_arg,
TABLE_LIST ***last_ptr)
TABLE_LIST ***last_ptr,
my_bool insert_data)
{
init_one_table(db_arg, table_name_arg, alias_arg, lock_type_arg);
@@ -2000,6 +2001,7 @@ struct TABLE_LIST
**last_ptr= this;
prev_global= *last_ptr;
*last_ptr= &next_global;
for_insert_data= insert_data;
}
@@ -2411,6 +2413,8 @@ struct TABLE_LIST
/* System Versioning */
vers_select_conds_t vers_conditions;
my_bool for_insert_data;
/**
@brief
Find the bottom in the chain of embedded table VIEWs.