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Merge chilla.local:/home/mydev/mysql-5.1-bug17332-old

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into  chilla.local:/home/mydev/mysql-5.1-bug17332


sql/handler.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
storage/myisam/ha_myisam.cc:
  Auto merged
mysys/mf_keycache.c:
  Bug#17332 - changing key_buffer_size on a running server
              can crash under load
  Manual merge
This commit is contained in:
unknown
2007-03-20 17:59:09 +01:00
parent e3108256e7 3514500e8d
commit 206b99e778
7 changed files with 2133 additions and 479 deletions
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7
sql/sql_table.cc
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@@ -4571,8 +4571,13 @@ int reassign_keycache_tables(THD *thd, KEY_CACHE *src_cache,
bool mysql_preload_keys(THD* thd, TABLE_LIST* tables)
{
DBUG_ENTER("mysql_preload_keys");
/*
We cannot allow concurrent inserts. The storage engine reads
directly from the index file, bypassing the cache. It could read
outdated information if parallel inserts into cache blocks happen.
*/
DBUG_RETURN(mysql_admin_table(thd, tables, 0,
"preload_keys", TL_READ, 0, 0, 0, 0,
"preload_keys", TL_READ_NO_INSERT, 0, 0, 0, 0,
&handler::preload_keys, 0));
}