Update of query cache code.

Changed some sql_alloc() -> thd->alloc()
Removed a lot of compiler warnings on Linux Alpha (64 bit)
Fixed some core dumps on 64 bit systems (wrong type for packet_len)


Docs/manual.texi:
  Added base information about the query cache.
include/hash.h:
  Export hash_replace
include/myisam.h:
  Update of query cache code
libmysql/net.c:
  Add casts to make things safe on 64 bit systems.
myisam/mi_write.c:
  Update of query cache code
myisammrg/myrg_extra.c:
  Update of query cache code
mysys/hash.c:
  Added safety check to hash_replace
sql/field.cc:
  Removed compiler warnings.
sql/field.h:
  Removed compiler warnings
sql/ha_myisam.cc:
  Fixed wrong type of packet_len
sql/item.h:
  Remove warnings
sql/log_event.cc:
  Cleanup
sql/log_event.h:
  Cleanup to make code more readable
sql/mf_iocache.cc:
  Fixed wrong type
sql/mysql_priv.h:
  Update of query cache code
sql/mysqld.cc:
  Update of query cache code
sql/net_serv.cc:
  Remove compiler warnings
sql/opt_range.h:
  Remove compiler warnings
sql/sql_cache.cc:
  Update of query cache code
sql/sql_cache.h:
  Update of query cache code
sql/sql_class.h:
  Cleanup
sql/sql_insert.cc:
  Use thd->alloc() instead of sql_alloc()
sql/sql_parse.cc:
  Fixed compiler warnings.
  Changed some sql_alloc() -> thd->alloc()
sql/sql_select.cc:
  Changed sql_alloc() -> thd_alloc()
sql/sql_select.h:
  Faster alloc()
sql/sql_show.cc:
  Update of query cache code
sql/sql_table.cc:
  Faster alloc()
sql/table.cc:
  Faster alloc()

1 files changed, 2 insertions, 2 deletions

diff --git a/sql/mf_iocache.cc b/sql/mf_iocache.cc
index 2a7b25eab2f..860318d5a79 100644
--- a/sql/mf_iocache.cc
+++ b/sql/mf_iocache.cc
@@ -50,14 +50,14 @@ extern "C" {
 int _my_b_net_read(register IO_CACHE *info, byte *Buffer,
 		   uint Count __attribute__((unused)))
 {
-  int read_length;
+  ulong read_length;
   NET *net= &(current_thd)->net;
   DBUG_ENTER("_my_b_net_read");
 
   if (!info->end_of_file)
     DBUG_RETURN(1);	/* because my_b_get (no _) takes 1 byte at a time */
   read_length=my_net_read(net);
-  if (read_length == (int) packet_error)
+  if (read_length == packet_error)
   {
     info->error= -1;
     DBUG_RETURN(1);