New thr_alarm struct for better integration with OS2

Run bootstrap in separate thread
Fix bug in FLUSH TABLES table_name


Docs/manual.texi:
  Updated ChangeLog
client/mysql.cc:
  Added info about compressed protocol
include/getopt.h:
  Fix for OS2
include/global.h:
  Fix for OS2
include/my_sys.h:
  Fix for OS2
include/mysql_com.h:
  Fix for OS2
include/thr_alarm.h:
  Cleanup up alarm struct for OS2 port
isam/isamchk.c:
  Fix for OS2
libmysql/libmysql.c:
  cleanup
libmysql/net.c:
  Use new thr_alarm
libmysql/violite.c:
  Fix for OS2
myisam/ChangeLog:
  Changes
myisam/mi_create.c:
  Use less stack
myisam/myisamchk.c:
  Fix for OS2
mysys/default.c:
  Fix for OS2
mysys/getopt.c:
  Fix for OS2
mysys/mf_format.c:
  Safety
mysys/mf_path.c:
  Fix for OS2
mysys/my_create.c:
  Fix for OS2
mysys/my_lock.c:
  Fix for OS2
mysys/my_open.c:
  Fix for OS2
mysys/thr_alarm.c:
  Use new thr_alarm struct
readline/input.c:
  Fix for OS2
readline/rltty.c:
  Fix for OS2
sql/ha_myisam.cc:
  Remove unnecessary fn_format
sql/my_lock.c:
  Use new thr_alarm
sql/mysql_priv.h:
  Changed bootstrap to run in separate thread to avoid problem with
  small stack
sql/mysqld.cc:
  Changed bootstrap to run in separate thread to avoid problem with
  small stack
sql/net_serv.cc:
  Use new thr_alarm
sql/sql_base.cc:
  Fix problem with FLUSH TABLE table_name
sql/sql_class.cc:
  Fix for new bootstrap
sql/sql_class.h:
  cleanup
sql/sql_delete.cc:
  cleanup
sql/sql_load.cc:
  Fix for OS2
sql/sql_parse.cc:
  Changed bootstrap to run in separate thread to avoid problem with
  small stack
sql/sql_select.cc:
  Reset used structure elements
sql/sql_table.cc:
  For OS2
sql/violite.c:
  For OS2

1 files changed, 13 insertions, 2 deletions

diff --git a/Docs/manual.texi b/Docs/manual.texi
index ee56c5d22ce..8b822649e06 100644
--- a/Docs/manual.texi
+++ b/Docs/manual.texi
@@ -17586,7 +17586,7 @@ The options work for all table types, if not otherwise indicated:
 
 @multitable @columnfractions .20 .80
 @item @code{AUTO_INCREMENT} @tab The next auto_increment value you want to set for your table (MyISAM).
-@item @code{AVG_ROW_LENGTH} @tab An approximation of the average row length for your table. You only need to set this for tables with variable size records.
+@item @code{AVG_ROW_LENGTH} @tab An approximation of the average row length for your table. You only need to set this for large tables with variable size records.
 @item @code{CHECKSUM} @tab Set this to 1 if you want @strong{MySQL} to maintain a checksum for all rows (makes the table a little slower to update but makes it easier to find corrupted tables) (MyISAM).
 @item @code{COMMENT} @tab A 60-character comment for your table.
 @item @code{MAX_ROWS} @tab Max number of rows you plan to store in the table.
@@ -17601,7 +17601,8 @@ When you use a @code{MyISAM} table, @strong{MySQL} uses the product of
 @code{max_rows * avg_row_length} to decide how big the resulting table
 will be.  If you don't specify any of the above options, the maximum size
 for a table will be 4G (or 2G if your operating systems only supports 2G
-tables).
+tables). The reason for this is just to keep down the pointer sizes
+to make the index smaller and faster if you don't really need big files.
 
 If you don't use @code{PACK_KEYS}, the default is to only pack strings,
 not numbers.  If you use @code{PACK_KEYS=1}, numbers will be packed as well.
@@ -38893,6 +38894,16 @@ though, so Version 3.23 is not released as a stable version yet.
 @appendixsubsec Changes in release 3.23.29
 @itemize @bullet
 @item
+Applied patches for OS2 by @code{Yuri Dario}.
+@item
+@code[FLUSH TABLES table_name} didn't always flush table properly to
+disk; One some cases the index tree wasn't completely written to disk.
+@item
+@code{--bootstrap} is now run in a separate thread. This fixes the problem
+that @code{mysql_install_db} core dumped on some Linux machines.
+@item
+Changed @code{mi_create()} to use less stack.
+@item
 Changed crash-me and the MySQL benchmarks to also work with FrontBase.
 @item
 Allow @code{RESTRICT} and @code{CASCADE} after @code{DROP TABLE} to make