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New handler::index_flags() definition to make it easy to check the full used key and a specific key part.

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Added key part to optimize_range() to fix problems when using fields in key parts.



sql/examples/ha_archive.h:
  New handler::index_flags() definition
sql/examples/ha_example.h:
  New handler::index_flags() definition
sql/field.cc:
  New optimize_range() definition
sql/field.h:
  New optimize_range() definition
sql/ha_berkeley.cc:
  New handler::index_flags() definition
sql/ha_berkeley.h:
  New handler::index_flags() definition
sql/ha_heap.h:
  New handler::index_flags() definition
sql/ha_innodb.h:
  New handler::index_flags() definition
sql/ha_isam.h:
  New handler::index_flags() definition
sql/ha_isammrg.h:
  New handler::index_flags() definition
sql/ha_myisam.h:
  New handler::index_flags() definition
sql/ha_myisammrg.h:
  New handler::index_flags() definition
sql/ha_ndbcluster.cc:
  New handler::index_flags() definition
sql/ha_ndbcluster.h:
  New handler::index_flags() definition
sql/handler.h:
  New handler::index_flags() definition
sql/log.cc:
  Fixed compiler warnings
sql/log_event.cc:
  Fixed compiler warnings (and renamed short variable name)
sql/opt_range.cc:
  New handler::index_flags() definition
sql/opt_sum.cc:
  New handler::index_flags() definition
sql/set_var.cc:
  Removed compiler warnings
sql/sql_db.cc:
  Removed compiler warnings
sql/sql_select.cc:
  New handler::index_flags() definition
sql/sql_show.cc:
  Removed compiler warnings
sql/sql_update.cc:
  Removed compiler warnings
sql/table.cc:
  New handler::index_flags() definition
This commit is contained in:
unknown
2004-07-08 15:45:25 +03:00
parent 5ef15478cd
commit a23fbc060e
25 changed files with 83 additions and 56 deletions
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9
sql/opt_range.cc
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@ -727,7 +727,8 @@ int SQL_SELECT::test_quick_select(THD *thd, key_map keys_to_use,
found_records=check_quick_select(&param, idx, *key);
if (found_records != HA_POS_ERROR && found_records > 2 &&
head->used_keys.is_set(keynr) &&
(head->file->index_flags(keynr) & HA_KEYREAD_ONLY))
(head->file->index_flags(keynr, param.max_key_part, 1) &
HA_KEYREAD_ONLY))
{
/*
We can resolve this by only reading through this key.
@ -1028,7 +1029,8 @@ get_mm_leaf(PARAM *param, COND *conf_func, Field *field, KEY_PART *key_part,
String tmp(buff1,sizeof(buff1),value->collation.collation),*res;
uint length,offset,min_length,max_length;
if (!field->optimize_range(param->real_keynr[key_part->key]))
if (!field->optimize_range(param->real_keynr[key_part->key],
key_part->part))
DBUG_RETURN(0); // Can't optimize this
if (!(res= value->val_str(&tmp)))
DBUG_RETURN(&null_element);
@ -1093,7 +1095,8 @@ get_mm_leaf(PARAM *param, COND *conf_func, Field *field, KEY_PART *key_part,
DBUG_RETURN(new SEL_ARG(field,min_str,max_str));
}
if (!field->optimize_range(param->real_keynr[key_part->key]) &&
if (!field->optimize_range(param->real_keynr[key_part->key],
key_part->part) &&
type != Item_func::EQ_FUNC &&
type != Item_func::EQUAL_FUNC)
DBUG_RETURN(0); // Can't optimize this