New my_gethostbyname_r() handling

Changed some status variable names
Fix bug in GRANT ... PASSWORD string


Docs/manual.texi:
  Update of variable names
include/my_net.h:
  New my_gethostbyname_r() handling
include/my_pthread.h:
  New my_gethostbyname_r() handling
libmysql/Makefile.shared:
  New my_gethostbyname_r() handling
libmysql/libmysql.c:
  New my_gethostbyname_r() handling
mysys/Makefile.am:
  New my_gethostbyname_r() handling
mysys/my_pthread.c:
  New my_gethostbyname_r() handling
mysys/my_thr_init.c:
  New my_gethostbyname_r() handling
sql/hostname.cc:
  New my_gethostbyname_r() handling
sql/mini_client.cc:
  New my_gethostbyname_r() handling
sql/mysqld.cc:
  change some status variable names
sql/sql_acl.cc:
  Fix bug in GRANT ... PASSWORD string

1 files changed, 16 insertions, 7 deletions

diff --git a/Docs/manual.texi b/Docs/manual.texi
index 0c5c9d57b19..c202c2c07a7 100644
--- a/Docs/manual.texi
+++ b/Docs/manual.texi
@@ -19678,17 +19678,17 @@ have.
 @item @code{Open_files} @tab  Number of files that are open.
 @item @code{Open_streams} @tab Number of streams that are open (used mainly for logging).
 @item @code{Opened_tables} @tab Number of tables that have been opened.
-@item @code{Select_full_join} @tab Number of joins without keys (Should be 0).
+@item @code{Select_full_join} @tab Number of joins without keys (If this is 0, you should carefully check the index of your tables).
 @item @code{Select_full_range_join} @tab Number of joins where we used a range search on reference table.
 @item @code{Select_range} @tab Number of joins where we used ranges on the first table. (It's normally not critical even if this is big.)
-@item @code{Select_scan} @tab Number of joins where we scanned the first table.
-@item @code{Select_range_check} @tab Number of joins without keys where we check for key usage after each row (Should be 0).
+@item @code{Select_scan} @tab Number of joins where we did a full scann of the first table.
+@item @code{Select_range_check} @tab Number of joins without keys where we check for key usage after each row (If this is 0, you should carefully check the index of your tables).
 @item @code{Questions} @tab Number of queries sent to the server.
 @item @code{Slave_open_temp_tables} @tab Number of temporary tables currently
 open by the slave thread
-@item @code{Slow_launch_threads} @tab Number of threads that have taken more than @code{slow_launch_time} to connect.
+@item @code{Slow_launch_threads} @tab Number of threads that have taken more than @code{slow_launch_time} to create.
 @item @code{Slow_queries} @tab Number of queries that have taken more than @code{long_query_time}. @xref{Slow query log}.
-@item @code{Sort_merge_passes} @tab Number of merges the sort has to do. If this value is large you should consider increasing @code{sort_buffer}.
+@item @code{Sort_merge_passes} @tab Number of merges passes the sort algoritm have had to do. If this value is large you should consider increasing @code{sort_buffer}.
 @item @code{Sort_range} @tab Number of sorts that where done with ranges.
 @item @code{Sort_rows}  @tab Number of sorted rows.
 @item @code{Sort_scan}  @tab Number of sorts that where done by scanning the table.
@@ -19712,8 +19712,8 @@ Some comments about the above:
 If @code{Opened_tables} is big, then your @code{table_cache}
 variable is probably too small.
 @item
-If @code{key_reads} is big, then your @code{key_cache} is probably too
-small.  The cache hit rate can be calculated with
+If @code{key_reads} is big, then your @code{key_buffer_size} variable is
+probably too small.  The cache hit rate can be calculated with
 @code{key_reads}/@code{key_read_requests}.
 @item
 If @code{Handler_read_rnd} is big, then you probably have a lot of
@@ -46916,6 +46916,15 @@ not yet 100% confident in this code.
 @appendixsubsec Changes in release 3.23.51
 @itemize @bullet
 @item
+Changed name of variables @code{Com_show_master_stat} to
+@code{Com_show_master_status} and @code{Com_show_slave_stat} to
+@code{Com_show_slave_status}.
+@item
+Changed handling of @code{gethostbyname()} to make the client library
+threadsafe even if @code{gethostbyname_r} doesn't exists.
+@item
+Fixed core-dump problem when giving a wrong password string to @code{GRANT}.
+@item
 Fixed bug in @code{DROP DATABASE} with symlinked directory.
 @item
 Fixed optimization problem with @code{DATETIME} and value outside