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Try to optimize the cache buffer size needed for bulk_insert

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Fix for shutdown on Mac OS X
This commit is contained in:
monty@mashka.mysql.fi
2002-11-20 22:56:57 +02:00
parent f9e6ae6f42
commit e65ddf3fc3
11 changed files with 48 additions and 18 deletions
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10
sql/sql_insert.cc
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@ -194,15 +194,19 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
thd->proc_info="update";
if (duplic == DUP_IGNORE || duplic == DUP_REPLACE)
table->file->extra(HA_EXTRA_IGNORE_DUP_KEY);
if ((bulk_insert= (values_list.elements > 1 &&
if ((bulk_insert= (values_list.elements >= MIN_ROWS_TO_USE_BULK_INSERT &&
lock_type != TL_WRITE_DELAYED &&
!(specialflag & SPECIAL_SAFE_MODE))))
{
table->file->extra_opt(HA_EXTRA_WRITE_CACHE,
thd->variables.read_buff_size);
min(thd->variables.read_buff_size,
table->avg_row_length*values_list.elements));
if (thd->variables.bulk_insert_buff_size)
table->file->extra_opt(HA_EXTRA_BULK_INSERT_BEGIN,
thd->variables.bulk_insert_buff_size);
min(thd->variables.bulk_insert_buff_size,
(table->total_key_length +
table->keys * TREE_ELEMENT_EXTRA_SIZE)*
values_list.elements));
table->bulk_insert= 1;
}