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Update for BTREE keys in HEAP tables

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Split handler->option_flag() to handler->table_flags() and handler->index_flags()
This commit is contained in:
monty@tik.mysql.fi
2002-04-12 21:35:46 +03:00
parent e857f561fd
commit 056175a1ce
32 changed files with 222 additions and 158 deletions
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22
sql/opt_sum.cc
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@ -55,7 +55,7 @@ int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds)
TABLE_LIST *table;
for (table=tables; table ; table=table->next)
{
if (table->on_expr || (table->table->file->option_flag() &
if (table->on_expr || (table->table->file->table_flags() &
HA_NOT_EXACT_COUNT))
{
const_result=0; // Can't optimize left join
@ -141,7 +141,7 @@ int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds)
break;
}
TABLE *table=((Item_field*) expr)->field->table;
if ((table->file->option_flag() & HA_NOT_READ_AFTER_KEY))
if ((table->file->table_flags() & HA_NOT_READ_AFTER_KEY))
{
const_result=0;
break;
@ -294,16 +294,22 @@ static bool find_range_key(TABLE_REF *ref, Field* field, COND *cond)
return 0; // Not part of a key. Skip it
TABLE *table=field->table;
if (table->file->option_flag() & HA_WRONG_ASCII_ORDER)
return(0); // Can't use key to find last row
uint idx=0;
/* Check if some key has field as first key part */
if ((field->key_start & field->table->keys_in_use_for_query) &&
(! cond || ! (cond->used_tables() & table->map)))
{
for (key_map key=field->key_start ; !(key & 1) ; idx++)
key>>=1;
for (key_map key=field->key_start ;;)
{
for (; !(key & 1) ; idx++)
key>>=1;
if (!(table->file->index_flags(idx) & HA_WRONG_ASCII_ORDER))
break; // Key is ok
/* Can't use this key, for looking up min() or max(), end if last one */
if (key == 1)
return 0;
}
ref->key_length=0;
ref->key=idx;
if (field->part_of_key & ((key_map) 1 << idx))
@ -323,6 +329,7 @@ static bool find_range_key(TABLE_REF *ref, Field* field, COND *cond)
return 0;
KEY *keyinfo,*keyinfo_end;
idx=0;
for (keyinfo=table->key_info, keyinfo_end=keyinfo+table->keys ;
keyinfo != keyinfo_end;
keyinfo++,idx++)
@ -338,7 +345,8 @@ static bool find_range_key(TABLE_REF *ref, Field* field, COND *cond)
part++)
{
if (!part_of_cond(cond,part->field) ||
left_length < part->store_length)
left_length < part->store_length ||
(table->file->index_flags(idx) & HA_WRONG_ASCII_ORDER))
break;
// Save found constant
if (part->null_bit)