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A bug with tables with different ref_length's whose order is

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changed in table initialization
This commit is contained in:
unknown
2002-07-31 19:53:06 +03:00
parent 9e65ac47ea
commit 3e16752ebf
4 changed files with 72 additions and 13 deletions
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27
sql/sql_delete.cc
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@@ -215,21 +215,8 @@ multi_delete::multi_delete(THD *thd_arg, TABLE_LIST *dt,
num_of_tables(num_of_tables_arg), error(0), lock_option(lock_option_arg),
do_delete(false)
{
uint counter=0;
not_trans_safe=false;
tempfiles = (Unique **) sql_calloc(sizeof(Unique *) * (num_of_tables-1));
/* Don't use key read with MULTI-TABLE-DELETE */
dt->table->used_keys=0;
for (dt=dt->next ; dt ; dt=dt->next,counter++)
{
TABLE *table=dt->table;
table->used_keys=0;
tempfiles[counter] = new Unique (refposcmp2,
(void *) &table->file->ref_length,
table->file->ref_length,
MEM_STRIP_BUF_SIZE);
}
}
@@ -260,6 +247,7 @@ multi_delete::prepare(List<Item> &values)
void
multi_delete::initialize_tables(JOIN *join)
{
int counter=0;
TABLE_LIST *walk;
table_map tables_to_delete_from=0;
for (walk= delete_tables ; walk ; walk=walk->next)
@@ -281,6 +269,19 @@ multi_delete::initialize_tables(JOIN *join)
not_trans_safe=true;
}
}
walk= delete_tables;
walk->table->used_keys=0;
for (walk=walk->next ; walk ; walk=walk->next, counter++)
{
tables_to_delete_from|= walk->table->map;
TABLE *table=walk->table;
/* Don't use key read with MULTI-TABLE-DELETE */
table->used_keys=0;
tempfiles[counter] = new Unique (refposcmp2,
(void *) &table->file->ref_length,
table->file->ref_length,
MEM_STRIP_BUF_SIZE);
}
init_ftfuncs(thd,1);
}