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WL#3700: Handler API change: all index search methods - that is,

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index_read(), index_read_idx(), index_read_last(), and
records_in_range() - instead of 'uint keylen' argument take
'ulonglong keypart_map', a bitmap showing which keyparts are
present in the key value.
Fallback method is provided for handlers that are lagging behind.
This commit is contained in:
serg@janus.mylan
2007-01-29 10:40:26 +01:00
parent 045d704709
commit a07fd5fa8f
58 changed files with 483 additions and 441 deletions
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16
sql/sql_select.cc
View File

@ -10854,7 +10854,8 @@ int safe_index_read(JOIN_TAB *tab)
TABLE *table= tab->table;
if ((error=table->file->index_read(table->record[0],
tab->ref.key_buff,
tab->ref.key_length, HA_READ_KEY_EXACT)))
tab_to_keypart_map(tab),
HA_READ_KEY_EXACT)))
return report_error(table, error);
return 0;
}
@ -10992,7 +10993,8 @@ join_read_const(JOIN_TAB *tab)
{
error=table->file->index_read_idx(table->record[0],tab->ref.key,
(byte*) tab->ref.key_buff,
tab->ref.key_length,HA_READ_KEY_EXACT);
tab_to_keypart_map(tab),
HA_READ_KEY_EXACT);
}
if (error)
{
@ -11035,7 +11037,8 @@ join_read_key(JOIN_TAB *tab)
}
error=table->file->index_read(table->record[0],
tab->ref.key_buff,
tab->ref.key_length,HA_READ_KEY_EXACT);
tab_to_keypart_map(tab),
HA_READ_KEY_EXACT);
if (error && error != HA_ERR_KEY_NOT_FOUND && error != HA_ERR_END_OF_FILE)
return report_error(table, error);
}
@ -11063,7 +11066,8 @@ join_read_always_key(JOIN_TAB *tab)
return -1;
if ((error=table->file->index_read(table->record[0],
tab->ref.key_buff,
tab->ref.key_length,HA_READ_KEY_EXACT)))
tab_to_keypart_map(tab),
HA_READ_KEY_EXACT)))
{
if (error != HA_ERR_KEY_NOT_FOUND && error != HA_ERR_END_OF_FILE)
return report_error(table, error);
@ -11090,7 +11094,7 @@ join_read_last_key(JOIN_TAB *tab)
return -1;
if ((error=table->file->index_read_last(table->record[0],
tab->ref.key_buff,
tab->ref.key_length)))
tab_to_keypart_map(tab))))
{
if (error != HA_ERR_KEY_NOT_FOUND && error != HA_ERR_END_OF_FILE)
return report_error(table, error);
@ -11631,7 +11635,7 @@ end_update(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
group->buff[-1]= (char) group->field->is_null();
}
if (!table->file->index_read(table->record[1],
join->tmp_table_param.group_buff,0,
join->tmp_table_param.group_buff, ~(ulonglong)0,
HA_READ_KEY_EXACT))
{ /* Update old record */
restore_record(table,record[1]);