fixed UNION preparation


sql/item.cc:
  debug output added
sql/item.h:
  debug output added
sql/item_cmpfunc.cc:
  correct cleunup() for Item_in_optimizer
sql/item_cmpfunc.h:
  correct cleunup() for Item_in_optimizer
  debug output added
sql/item_func.h:
  debug output added
sql/item_subselect.cc:
  support of prepared statemnts added - mostly memorry allocation manegement, only one trabsformatio & correct cleupup()
sql/item_subselect.h:
  support of prepared statemnts added - mostly memorry allocation manegement, only one trabsformatio & correct cleupup()
sql/item_sum.cc:
  debug output added
sql/item_sum.h:
  debug output added
sql/sql_class.cc:
  function to switch allocation arena for Items
sql/sql_class.h:
  function to switch allocation arena for Items
  pointer on current prepared statement added
sql/sql_lex.cc:
  comment fixed
sql/sql_lex.h:
  item cleanup support
sql/sql_prepare.cc:
  - fixed preparation of PS to avoid storing junk in its memory + correct work with union
  - fixed tables cleanup for UNION & subqueries
sql/sql_select.cc:
  removed condition which is always true for now
  fixed layout
sql/sql_union.cc:
  support of UNION subquery cleanup
tests/client_test.c:
  test of repeatable subqueries
  test of correct UNION initialisation

into gw.mysql.r18.ru:/usr/home/ram/work/4.1.b2419

into eagle.mysql.r18.ru:/home/vva/work/BUG_2438/mysql-4.1

into eagle.mysql.r18.ru:/home/vva/work/BUG_2438/mysql-4.1

from table->mem_root to thd->mem_root 
(fixed bug #2438 "Runaway memory consumption")

client/sql_string.cc:
  skipp -> skip
dbug/dbug.c:
  skipp -> skip
myisam/mi_create.c:
  skipp -> skip
myisam/mi_dynrec.c:
  skipp -> skip
myisam/mi_packrec.c:
  skipp -> skip
myisam/mi_rrnd.c:
  skipp -> skip
myisam/mi_test1.c:
  skipp -> skip
myisam/myisampack.c:
  skipp -> skip
myisam/rt_test.c:
  skipp -> skip
myisam/sp_test.c:
  skipp -> skip
mysys/default.c:
  skipp -> skip
mysys/mf_iocache.c:
  skipp -> skip
mysys/mf_pack.c:
  skipp -> skip
mysys/mf_wcomp.c:
  skipp -> skip
mysys/typelib.c:
  skipp -> skip
sql/filesort.cc:
  skipp -> skip
sql/item_strfunc.cc:
  skipp -> skip
sql/mysqld.cc:
  skipp -> skip
sql/opt_range.h:
  skipp -> skip
sql/sql_delete.cc:
  skipp -> skip
sql/sql_select.cc:
  skipp -> skip
sql/sql_string.cc:
  skipp -> skip
sql/sql_update.cc:
  skipp -> skip
strings/ctype-bin.c:
  skipp -> skip
strings/ctype-simple.c:
  skipp -> skip
strings/r_strinstr.c:
  skipp -> skip
strings/strinstr.c:
  skipp -> skip
strings/strstr.c:
  skipp -> skip

into gw.mysql.r18.ru:/usr/home/ram/work/4.1.b2419


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

collation is the same with the index collation.

  Fixed bug #2602 in CACHE INDEX, LOAD INDEX


sql/sql_yacc.yy:
  Fixed bug #2602 in CACHE INDEX, LOAD INDEX
mysql-test/t/key_cache.test:
  Fixed bug #2602 in CACHE INDEX, LOAD INDEX
mysql-test/t/preload.test:
  Fixed bug #2602 in CACHE INDEX, LOAD INDEX
mysql-test/r/key_cache.result:
  Fixed bug #2602 in CACHE INDEX, LOAD INDEX
mysql-test/r/preload.result:
  Fixed bug #2602 in CACHE INDEX, LOAD INDEX

null_ref_key moved to TABLE_REF.
new null range created if necessary.


mysql-test/r/order_by.result:
  fix for the bug #2419: order by ignores rows
mysql-test/t/order_by.test:
  fix for the bug #2419: order by ignores rows
sql/item_subselect.cc:
  fix for the bug #2419: order by ignores rows
sql/opt_range.cc:
  fix for the bug #2419: order by ignores rows
sql/sql_select.cc:
  fix for the bug #2419: order by ignores rows
sql/sql_select.h:
  fix for the bug #2419: order by ignores rows

double delete bug fixed


sql/sql_list.h:
  catch accesses to deleted objects
sql/sql_union.cc:
  double delete fixed

db name is printed with append_identifier for a proper quoting

into serg.mylan:/usr/home/serg/Abk/mysql-4.1

  Correct the comment about the ibuf record format in >= 4.1.1


innobase/ibuf/ibuf0ibuf.c:
  Correct the comment about the ibuf record format in >= 4.1.1

The problem was that memory was free'd, but it was referenced
later. This free was unneccessary anyway, because join_free() /
JOIN::cleanup takes care of this later on.

Added test case into t/subselect.test for it.

Regards,
Jani


mysql-test/r/subselect.result:
  Added a test case for Bug#2479.
mysql-test/t/subselect.test:
  Added a test case for Bug#2479.
sql/sql_select.cc:
  Fixed Bug#2479, "dependant subquery with limit crash".
  The problem was that memory was free'd, but it was referenced
  later. This free was unneccessary anyway, because join_free() /
  JOIN::cleanup takes care of this later on.

dump when result was NULL.


mysql-test/r/func_test.result:
  Added a test for GREATEST() and LEAST() core dump bug.
mysql-test/t/func_test.test:
  Added a test for GREATEST() and LEAST() core dump bug.

We signed error instead of returning the result


sql/sql_show.cc:
  we need this assignement in libmysqld to not to issue error

mysql->server_status wasn't set after the query


libmysqld/lib_sql.cc:
  Server status assignement added

into deer.(none):/home/hf/work/mysql-4.1.1224

code slightly modified with Monty's suggestions


libmysqld/lib_sql.cc:
  copying of pointers replaced with my_strdup()-s
sql/sql_class.cc:
  this code should work anyway now

libmysqld/Makefile.am:
  superfluous line deleted

into mysql.com:/home/mysql_src/mysql-4.1

sql/sql_yacc.yy:
  Enable UNTIL in SLAVE START; bzero() fixes the bug.

into gluh.mysql.r18.ru:/home/gluh/Bugs/mysql-4.1.long

when DROP USER if --skip-grant-tables

from command line did not work.

into sinisa.nasamreza.org:/mnt/work/mysql-4.1


sql/sql_yacc.yy:
  Auto merged

  Fixed a typo bug.


sql/mysqld.cc:
  Fixed a typo bug.

into rurik.mysql.com:/home/igor/mysql-4.1

sql/lex.h:
  Wrong define name

sql/field.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/table.cc:
  Auto merged
include/mysqld_error.h:
  merging
sql/share/english/errmsg.txt:
  merging

WL#1163 (Make spatial code separable)
fixes before the push


include/my_global.h:
  Temporary place for these defines
include/mysqld_error.h:
  ER_FEATURE_DISABLED definition
sql/item_geofunc.cc:
  #ifdef HAVE_SPATIAL moved to the better place
sql/share/english/errmsg.txt:
  Message for ER_FEATURE_DISABLED

starting character elsewhere than in the beginning of a line,
because it affected some innodb options that had ';'
in them.