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cleanup of ha_myisam::deactivate_non_unique_index() and Co.

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unknown
2004-04-02 20:42:35 +02:00
parent 7c27065c3e
commit a66fe8dcd5
6 changed files with 26 additions and 37 deletions
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33
sql/ha_myisam.cc
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@ -818,26 +818,19 @@ int ha_myisam::preload_keys(THD* thd, HA_CHECK_OPT *check_opt)
deactivate_non_unique_index()
rows Rows to be inserted
0 if we don't know
HA_POS_ERROR if we want to disable all keys
HA_POS_ERROR if we want to force disabling
and make it permanent (save on disk)
*/
void ha_myisam::deactivate_non_unique_index(ha_rows rows)
{
MYISAM_SHARE* share = file->s;
bool do_warning=0;
if (share->state.key_map == ((ulonglong) 1L << share->base.keys)-1)
{
if (!(specialflag & SPECIAL_SAFE_MODE))
{
if (rows == HA_POS_ERROR)
{
uint orig_update= file->update;
file->update ^= HA_STATE_CHANGED;
uint check_update= file->update;
if (rows == HA_POS_ERROR) // force disable and save it on disk!
mi_extra(file, HA_EXTRA_NO_KEYS, 0);
do_warning= (file->update == check_update) && file->state->records;
file->update= orig_update;
}
else
{
/*
@ -847,15 +840,16 @@ void ha_myisam::deactivate_non_unique_index(ha_rows rows)
we don't want to update the key statistics based of only a few rows.
*/
if (file->state->records == 0 &&
(!rows || rows >= MI_MIN_ROWS_TO_USE_BULK_INSERT))
(!rows || rows >= MI_MIN_ROWS_TO_DISABLE_INDEXES))
mi_disable_non_unique_index(file,rows);
else
if (!file->bulk_insert &&
(!rows || rows >= MI_MIN_ROWS_TO_USE_BULK_INSERT))
{
mi_init_bulk_insert(file,
current_thd->variables.bulk_insert_buff_size,
rows);
table->bulk_insert= 1;
}
current_thd->variables.bulk_insert_buff_size,
rows);
}
}
}
enable_activate_all_index=1;
@ -863,10 +857,6 @@ void ha_myisam::deactivate_non_unique_index(ha_rows rows)
}
else
enable_activate_all_index=0;
if (do_warning)
push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
ER_ILLEGAL_HA,
ER(ER_ILLEGAL_HA), table->table_name);
}
@ -878,7 +868,6 @@ bool ha_myisam::activate_all_index(THD *thd)
DBUG_ENTER("activate_all_index");
mi_end_bulk_insert(file);
table->bulk_insert= 0;
if (enable_activate_all_index &&
share->state.key_map != set_bits(ulonglong, share->base.keys))
{
@ -1393,8 +1382,8 @@ longlong ha_myisam::get_auto_increment()
return auto_increment_value;
}
if (table->bulk_insert)
mi_flush_bulk_insert(file, table->next_number_index);
/* it's safe to call the following if bulk_insert isn't on */
mi_flush_bulk_insert(file, table->next_number_index);
longlong nr;
int error;