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WL#2130: Table locking for stored FUNCTIONs

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Collect all tables and SPs refered by a statement, and open all tables
with an implicit LOCK TABLES. Do find things refered by triggers and views,
we open them first (and then repeat this until nothing new is found), before
doing the actual lock tables.
This commit is contained in:
pem@mysql.comhem.se
2005-02-08 20:52:50 +01:00
parent 6e6daf8189
commit 2c26ebe359
26 changed files with 838 additions and 340 deletions
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5
sql/sql_derived.cc
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@ -165,16 +165,21 @@ exit:
else
{
if (!thd->fill_derived_tables())
{
delete derived_result;
derived_result= NULL;
}
orig_table_list->derived_result= derived_result;
orig_table_list->table= table;
orig_table_list->table_name= (char*) table->s->table_name;
orig_table_list->table_name_length= strlen((char*)table->s->table_name);
table->derived_select_number= first_select->select_number;
table->s->tmp_table= TMP_TABLE;
#ifndef NO_EMBEDDED_ACCESS_CHECKS
table->grant.privilege= SELECT_ACL;
#endif
orig_table_list->db= (char *)"";
orig_table_list->db_length= 0;
// Force read of table stats in the optimizer
table->file->info(HA_STATUS_VARIABLE);
/* Add new temporary table to list of open derived tables */