crash

resolve_const_item() substitutes item which will evaluate to constant with
equvalent constant item, basing on the item's result type. In this case
subselect was resolved as constant, and resolve_const_item() was substituting
it's result's Item_caches to Item_null. Later Item_cache's function was called
for Item_null object, which caused server crash.

resolve_const_item() now substitutes constants for items with 
result_type == ROW_RESULT only for Item_rows.


sql/item.cc:
  Fix bug #14482 Wrongly applied optimization in resolve_const_item() caused
  crash
  
  resolve_const_item() now applies optimization for items with
  result_type == ROW_RESULT only to Item_rows.
mysql-test/t/select.test:
  Test case for bug #14482 Wrongly applied optimization in resolve_const_item() caused crash
mysql-test/r/select.result:
  Test case for bug #14482 Wrongly applied optimization in resolve_const_item() caused crash

into  ua141d10.elisa.omakaista.fi:/home/my/bk/mysql-4.1


Makefile.am:
  Merged from 4.0
mysql-test/mysql-test-run.sh:
  Merged from 4.0

into mysql.com:/home/hf/work/mysql-4.1.14183

into  mysql.com:/home/jimw/my/mysql-4.1-clean

into mysql.com:/data0/mysqldev/lenz/mysql-4.1

into moonbone.local:/work/14186-bug-4.1-mysql


sql/sql_select.cc:
  Auto merged
sql/sql_select.h:
  Auto merged

Removed wrong fix for bug #14009 (use of abs() on null value causes problems with filesort)
Mark that add_time(), time_diff() and str_to_date() can return null values


myisam/mi_check.c:
  keyoffset is not a position (no %lx here)
mysql-test/r/func_sapdb.result:
  Fixed test after marking that timediff() can return NULL
sql/item_func.cc:
  Removed wrong fix for bug #14009 (use of abs() on null value causes problems with filesort)
sql/item_timefunc.cc:
  Mark that add_time and str_to_date() can return null values
sql/item_timefunc.h:
  Mark that time_diff can return 0
sql/spatial.cc:
  Simple cleanups during review of new code

mysql-test/r/ctype_cp932.result:
  result fixed
mysql-test/t/ctype_cp932.test:
  these lines don't work in embedded-server

into  mysql.com:/usr/home/ram/work/mysql-4.1

even when --ledir option is specified. (Bug #13774)


scripts/mysqld_safe.sh:
  Figure out whether to use mysqld or mysqld-max after we have handled
  the command-line options and .cnf files.

get real results after all checks.
(see bug #14254: func_crypt.test fails on FreeBSD with --ps-protocol).


client/mysqltest.c:
  Check for NULLs only if we don't replace column results,
  get real results after all checks.

into deer.(none):/home/hf/work/mysql-4.1.12839


sql/field.cc:
  Auto merged

sql/field.cc:
  This code still could work for VERY out-of-dated databases
sql/spatial.cc:
  small syntax fixes

into  mysql.com:/home/jimw/my/mysql-4.1-clean

into  mysql.com:/home/jimw/my/mysql-4.1-clean

into  krsna.patg.net:/home/patg/mysql-build/mysql-4.1

into  mysql.com:/home/jimw/my/mysql-4.1-clean

into mysql.com:/home/psergey/mysql-4.1-bug14139

into  a193-229-222-105.elisa-laajakaista.fi:/home/my/bk/mysql-4.1

into  mysql.com:/home/alexi/dev/mysql-4.1-10511

 ON UPDATE CASCADE


innobase/row/row0ins.c:
  Patch from Marko is applied

Procedure analyse() redefines select's fields_list. setup_copy_fields() assumes
that fields_list is a part of all_fields_list. Because select have only 
3 columns and analyse() redefines it to have 10 columns, int overrun in
setup_copy_fields() occurs and server goes to almost infinite loop.

Because fields_list used not only to send data ad fields types, it's wrong 
to allow procedure redefine it. This patch separates select's fileds_list 
and procedure's one. Now if procedure is present, copy of fields_list is 
created in procedure_fields_list and it is used for sending data and fields.


mysql-test/t/analyse.test:
  Test case for bug #14138  ROLLUP and PROCEDURE ANALYSE() hang server
mysql-test/r/analyse.result:
  Test case for bug #14138  ROLLUP and PROCEDURE ANALYSE() hang server
sql/sql_select.h:
  Fix bug #14138  ROLLUP and PROCEDURE ANALYSE() hang server
  To JOIN  Added separate fields_list for procedure.
sql/sql_select.cc:
  Fix bug #14138  ROLLUP and PROCEDURE ANALYSE() hang server
  SELECT's fields_list and procedure's fields_list made split. If procedure is defined
  then procedure's fields_list is used to send fields and data.

into  a193-229-222-105.elisa-laajakaista.fi:/home/my/bk/mysql-4.1


include/config-netware.h:
  Auto merged

kernel function to prevent CPU hogs.

support-files/mysql.spec.sh:
   - fixed file list after merge, removed dupes

Date field was declared as not null, thus expression 'datefield is null'
was always false. For SELECT special handling of such cases is used. 
There 'datefield is null' converted to 'datefield eq "0000-00-00"'.

In mysql_update() before creation of select added remove_eq_conds() call.
It makes some optimization of conds and in particular performs conversion
from 'is null' to 'eq'. 
Also remove_eq_conds() makes some evaluation of conds and if it founds that
conds is always false then update statement is not processed further.
All this allows to perform some update statements process faster due to
optimized conds, and not wasting resources if conds known to be false. 


sql/sql_select.cc:
  Fix bug#14186  select datefield is null not updated
  Remove static from remove_eq_conds()
sql/sql_select.h:
   Fix bug#14186  select datefield is null not updated
  Added remove_eq_conds() prototype.
mysql-test/r/update.result:
  Test case for  bug#14186  select datefield is null not updated
mysql-test/t/update.test:
  Test case for  bug#14186  select datefield is null not updated
sql/sql_update.cc:
  Fix bug#14186  select datefield is null not updated
  To mysql_update() added call to remove_eq_conds() to optimize conds and convert 'datefield is null' to 'datefield eq 0000-00-00'

into  mysql.com:/home/jimw/my/mysql-4.1-clean


sql/item_func.cc:
  Auto merged

into mysql.com:/data0/mysqldev/lenz/mysql-4.1


netware/BUILD/compile-linux-tools:
  Auto merged

 - cleanup: removed obsolete support-files/MacOSX/make_mysql_pkg.pl
   script (we now use Do-pkg for building OS X packages)


BitKeeper/deleted/.del-.cvsignore~4c7a1f88a5a62a24:
  Delete: NEW-RPMS/.cvsignore
BitKeeper/deleted/.del-make_mysql_pkg.pl~caac82eb901cc206:
  Delete: support-files/MacOSX/make_mysql_pkg.pl
netware/BUILD/compile-linux-tools:
   - removed reference to the NEW-RPMS directory
netware/BUILD/compile-netware-END:
   - removed reference to the NEW-RPMS directory
netware/BUILD/compile-netware-src:
   - removed reference to the NEW-RPMS directory

configure.in:
  Auto merged
support-files/mysql.spec.sh:
   - after-merge fix

into moonbone.local:/work/13855-bug-4.1-mysql

  After merge fix


mysql-test/r/select.result:
  After merge fix

include/config-netware.h:
  Auto merged
sql/sql_select.cc:
  Auto merged
mysql-test/r/select.result:
  Manually merged fix for bug#13855
mysql-test/t/select.test:
  Manuall merged fix for bug#13855

into  mysql.com:/home/alexi/dev/mysql-4.1-innobase

   directory - these files are now maintained in the mysqldoc
   repository and included in the source distribution during the
   release build. Updated the configure.in script and Makefiles to
   create the man page file list at build time
 - Updated the file list in the RPM spec file to include all currently
   available man pages (this can not be done with wildcards, as
   the man pages are spread across several subpackages. However, RPM
   warns about unpackaged files, so newly added man pages can be 
   spotted)


BitKeeper/deleted/.del-isamchk.1.in~9d44303f6d951962:
  Delete: man/isamchk.1.in
BitKeeper/deleted/.del-isamlog.1.in~416d91adbf665b19:
  Delete: man/isamlog.1.in
BitKeeper/deleted/.del-mysql.1.in~3f4dbf65d31fea3a:
  Delete: man/mysql.1.in
BitKeeper/deleted/.del-mysqlaccess.1.in~2adf98feb44a0dbf:
  Delete: man/mysqlaccess.1.in
BitKeeper/deleted/.del-mysqladmin.1.in~81703c6092a1f769:
  Delete: man/mysqladmin.1.in
BitKeeper/deleted/.del-mysqld.1.in~42371a82eb27d87c:
  Delete: man/mysqld.1.in
BitKeeper/deleted/.del-mysqld_multi.1.in~b3f1c5343b8481e6:
  Delete: man/mysqld_multi.1.in
BitKeeper/deleted/.del-mysqld_safe.1.in~6f34e14acc0c5e0b:
  Delete: man/mysqld_safe.1.in
BitKeeper/deleted/.del-mysqldump.1.in~9520980bfec710d5:
  Delete: man/mysqldump.1.in
BitKeeper/deleted/.del-mysql_fix_privilege_tables.1.in~7422405bb0e64325:
  Delete: man/mysql_fix_privilege_tables.1.in
BitKeeper/deleted/.del-mysql_zap.1.in~df5cf8089b50c624:
  Delete: man/mysql_zap.1.in
BitKeeper/deleted/.del-mysqlshow.1.in~81ce953dcc1a282f:
  Delete: man/mysqlshow.1.in
BitKeeper/deleted/.del-perror.1.in~60d1efcbe71bdd9c:
  Delete: man/perror.1.in
BitKeeper/deleted/.del-replace.1.in~e92dc1aea682608c:
  Delete: man/replace.1.in
configure.in:
   - dynamically add man pages included in the man directory
     (the BK tree only contains one dummy file, the directory is
     populated by the Bootstrap script by copying current man pages
     from the documentation server)
man/Makefile.am:
   - removed hard-coded list of man pages, the list is populated
     during the configure stage. When building from BK, only one
     placeholder file exists. For the release builds, this directory
     is populated by the Bootstrap script, which takes man page files
     from the documentation server.
man/mysqlman.1:
   - removed version number
support-files/mysql.spec.sh:
   - adjusted file list: added man pages that are now part of the
     official source distribution (taken from the documentation
     server)

  Dump MY_CS_CSSORT when it's necessary.


strings/conf_to_src.c:
  Dump MY_CS_CSSORT when it's necessary.