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Fix problem where key_read was not cleaned up properly, which caused assert in innodb test.

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monty@narttu.mysql.fi
2003-05-03 16:21:43 +03:00
parent 9e4f394e59
commit 7410b6cbdf
5 changed files with 52 additions and 30 deletions
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14
sql/opt_sum.cc
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@@ -191,13 +191,13 @@ int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds)
ref.key_buff=key_buff;
TABLE *table=((Item_field*) expr)->field->table;
if ((outer_tables & table->map) ||
!find_range_key(&ref, ((Item_field*) expr)->field,conds))
if ((table->file->table_flags() & HA_NOT_READ_AFTER_KEY))
{
const_result=0;
break;
}
if ((table->file->table_flags() & HA_NOT_READ_AFTER_KEY))
if ((outer_tables & table->map) ||
!find_range_key(&ref, ((Item_field*) expr)->field,conds))
{
const_result=0;
break;
@@ -348,7 +348,13 @@ bool part_of_cond(COND *cond,Field *field)
}
/* Check if we can get value for field by using a key */
/*
Check if we can get value for field by using a key
NOTES
This function may set table->key_read to 1, which must be reset after
index is used! (This can only happen when function returns 1)
*/
static bool find_range_key(TABLE_REF *ref, Field* field, COND *cond)
{