sql/item.h:
  typo fixed
sql/item_func.h:
  clear refernce on deleted variable
sql/item_subselect.cc:
  layout fixed
sql/sql_base.cc:
  temporary memory pool allocation moved from open_and_lock_tables
sql/sql_prepare.cc:
  temporary memory pool allocation moved
  changing in routine suggeted by Monty
tests/client_test.c:
  uncomment accidently commented test

after merge fix


sql/item_subselect.cc:
  revision of fix_fields calls in subqueries transformation
sql/sql_prepare.cc:
  after merge fix

sql/item.h:
  mechanism to keep reference in cache array for row IN
sql/item_cmpfunc.cc:
  mechanism to keep reference in cache array for row IN
  layout fixed
sql/item_cmpfunc.h:
  mechanism to keep reference in cache array for row IN
sql/item_subselect.cc:
  fixed memory pools swapping
  prevented deleting Item_in_optimizer cache in case of row IN subquery
sql/mysql_priv.h:
  declarations of function moved to be useful in sql_class.h
sql/sql_base.cc:
  keep fields expanded from '*' in statement memory pool
sql/sql_class.cc:
  fixed restoring/backup of memory pool and list of items
sql/sql_class.h:
  memory allocation methods moved to Statement
  memory pool substituting for preparing
sql/sql_lex.cc:
  ref_pointer_array kept in statement memory
sql/sql_lex.h:
  reinitialization of UNIT
sql/sql_prepare.cc:
  memory allocation/swapping fixed
tests/client_test.c:
  layout fixed

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

(BUG#2393)


mysql-test/r/subselect.result:
  BUG#2393 test suite
  test ref replaced ref_of_null joining
mysql-test/t/subselect.test:
  BUG#2393 test suite
  test ref replaced ref_of_null joining
sql/item_subselect.cc:
  avoid null check on fields where NULL is impossible
sql/sql_select.cc:
  convert JT_REF_OR_NULL to JT_REF in case of impossible NULL and protect buffer of rewriting through join_tab->null_ref_key

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

Here i added Item_*::cleanup() functions,
removed a lot of ~Item_*'s,
added code to restore order_list and group_list


sql/item.cc:
  cleanups methods implemented
  Item_ref constructors changed
sql/item.h:
  cleanups declared
  Item_ref constructors changed
  some ~Item_* deleted
sql/item_cmpfunc.cc:
  new Item_ref format
sql/item_cmpfunc.h:
  saving/restoring of the original arguments added to
  eq and equal functions
sql/item_func.cc:
  New Item_ref format
sql/item_func.h:
  destructors removed/changed to 'cleanup()'
sql/item_row.cc:
  New Item_ref format
sql/item_row.h:
  ~Item_row -> cleanup()
sql/item_strfunc.cc:
  new Item_ref format
sql/item_strfunc.h:
  destructors removed
sql/item_subselect.cc:
  Item_subselect implementation,
  new Item_ref() format
sql/item_subselect.h:
  cleanups for subselects declared
sql/item_sum.cc:
  cleanups implementations
sql/item_sum.h:
  cleanups declarations
  destructors removed
sql/mysql_priv.h:
  free_items, cleanup_items exported
sql/sql_prepare.cc:
  cleanup_items, free_items calls added
  stmt->query_id= thd->query_id restored
  cleanup procedures for group_list and order_list added
sql/sql_yacc.yy:
  New Item_ref() format

Proper Item_cache::setup() method.
Code cleanup.
(discussed with sanja)


sql/item.cc:
  code cleanup
sql/item.h:
  fix for the bug #2198: SELECT INTO OUTFILE (with Sub-Select) Problem.
  proper Item_cache::setup() method
  code cleanup
sql/item_subselect.cc:
  fix for the bug #2198: SELECT INTO OUTFILE (with Sub-Select) Problem.
  proper Item_cache::setup() method
  code cleanup

All tests pass (client_test included)


libmysqld/lib_sql.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/filesort.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/ha_innodb.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/ha_myisam.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/item.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/item_cmpfunc.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/item_create.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/item_func.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/item_subselect.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/item_sum.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/mysql_priv.h:
  THD::lex now points to THD::main_lex like in 5.0
sql/mysqld.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/protocol.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/repl_failsafe.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/slave.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_acl.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_base.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_cache.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_class.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_class.h:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_delete.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_error.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_insert.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_lex.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_lex.h:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_parse.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_prepare.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_repl.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_select.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_table.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_union.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_update.cc:
  THD::lex now points to THD::main_lex like in 5.0
sql/sql_yacc.yy:
  THD::lex now points to THD::main_lex like in 5.0

Cleaned up embedded library access and query cache handling
Changed min stack size to 128K (to allow longer MyISAM keys)
Fixed wrong priority for XOR (should be less than NEG to get -1^1 to work)


client/mysqldump.c:
  Fixed bugs found after merge
include/mysql_embed.h:
  Disable query cache when using embedded version
myisam/mi_check.c:
  Removed not used variable
mysql-test/r/auto_increment.result:
  Fixed bugs found after merge
mysql-test/r/bdb.result:
  Fixed bugs found after merge
mysql-test/r/func_group.result:
  Fixed bugs found after merge
mysql-test/r/func_str.result:
  Fixed bugs found after merge
mysql-test/r/func_time.result:
  Fixed bugs found after merge
mysql-test/r/group_by.result:
  Fixed bugs found after merge
mysql-test/r/innodb.result:
  Fixed bugs found after merge
mysql-test/r/insert.result:
  Fixed bugs found after merge
mysql-test/r/join_outer.result:
  Fixed bugs found after merge
mysql-test/r/loaddata.result:
  Fixed bugs found after merge
mysql-test/r/multi_update.result:
  Fixed bugs found after merge
mysql-test/r/mysqldump.result:
  Update results
mysql-test/r/rpl_EE_error.result:
  Fixed bugs found after merge
mysql-test/r/rpl_multi_update.result:
  Fixed bugs found after merge
mysql-test/r/symlink.result:
  Update results
mysql-test/r/type_blob.result:
  Update results
mysql-test/r/type_datetime.result:
  Update results
mysql-test/r/type_decimal.result:
  Update results
mysql-test/r/type_enum.result:
  Fixed bugs found after merge
mysql-test/r/type_timestamp.result:
  Update results
mysql-test/r/union.result:
  Update results
mysql-test/r/warnings.result:
  Update results
mysql-test/t/bdb.test:
  Fix test for 4.1
mysql-test/t/innodb.test:
  Fix test for 4.1
mysql-test/t/multi_update.test:
  Fix test for 4.1
mysql-test/t/mysqldump.test:
  Fix test for 4.1
mysql-test/t/rpl_EE_error.test:
  Fix test for 4.1
mysql-test/t/rpl_multi_update.test:
  Fix test for 4.1
mysql-test/t/union.test:
  Cleanup
mysys/charset.c:
  Check results from my_once_alloc()
mysys/my_handler.c:
  part of 4.0 merge
sql-common/client.c:
  Part of 4.0 merge
sql/field.cc:
  After merge fixes
sql/field.h:
  After merge fixes
sql/ha_innodb.cc:
  Remove duplicate include files
sql/item.cc:
  Changed automatic int conversion to be of type binary
sql/item.h:
  After merge fixes
sql/item_func.cc:
  Changed automatic int conversion to be of type binary
sql/item_func.h:
  After merge fixes
sql/item_strfunc.cc:
  Added comments
sql/item_subselect.cc:
  Indentation fixes
sql/item_sum.cc:
  Changed automatic int conversion to be of type binary
sql/item_sum.h:
  After merge fixes
sql/mysql_priv.h:
  Cleanup embedded library access checks
sql/mysqld.cc:
  Changed min stack size to 128K (to allow longer MyISAM keys)
sql/set_var.cc:
  Fixed compiler warnings
sql/share/czech/errmsg.txt:
  Better error message
sql/share/danish/errmsg.txt:
  Better error message
sql/share/dutch/errmsg.txt:
  Better error message
sql/share/english/errmsg.txt:
  Better error message
sql/share/estonian/errmsg.txt:
  Better error message
sql/share/french/errmsg.txt:
  Better error message
sql/share/greek/errmsg.txt:
  Better error message
sql/share/hungarian/errmsg.txt:
  Better error message
sql/share/italian/errmsg.txt:
  Better error message
sql/share/japanese/errmsg.txt:
  Better error message
sql/share/korean/errmsg.txt:
  Better error message
sql/share/norwegian-ny/errmsg.txt:
  Better error message
sql/share/norwegian/errmsg.txt:
  Better error message
sql/share/polish/errmsg.txt:
  Better error message
sql/share/romanian/errmsg.txt:
  Better error message
sql/share/russian/errmsg.txt:
  Better error message
sql/share/serbian/errmsg.txt:
  Better error message
sql/share/slovak/errmsg.txt:
  Better error message
sql/share/spanish/errmsg.txt:
  Better error message
sql/share/swedish/errmsg.txt:
  Better error message
sql/share/ukrainian/errmsg.txt:
  Better error message
sql/sql_acl.h:
  Cleaned up embedded library acccess checks
sql/sql_base.cc:
  After merge fixes
sql/sql_client.cc:
  After merge fixes
sql/sql_parse.cc:
  After merge fixes
  Changed access check code for embedded library (needed to make code shorter and ensure that check_table_access() is called)
  Recoded create-table handling for CREATE TABLE ... SELECT to make code shorter and faster
sql/sql_prepare.cc:
  Add missing arguments
sql/sql_select.cc:
  After merge fixes
sql/sql_update.cc:
  After merge fixes
sql/sql_yacc.yy:
  Fixed wrong priority for XOR (should be less than NEG to get -1^1 to work)
sql/table.cc:
  After merge fixes

mysql-test/r/subselect_innodb.result:
  bug 2048 test
mysql-test/t/subselect_innodb.test:
  bug 2048 test
sql/item_subselect.cc:
  do not unlock tables for subqueries
sql/sql_derived.cc:
  derived table tables can be unlocked
sql/sql_lex.h:
  new interface to pass additional options
sql/sql_union.cc:
  new interface to pass additional options
  do not unlock tables for UNION

This bug happens when a query, having subselects in the fields list,
needs temporary table.
Item_subselect::get_tmp_table_item isn't implemented and just returns
*this. So the tmp_table_item takes value not from temporary but
from original table.


mysql-test/r/subselect.result:
  appropriate test result added
mysql-test/t/subselect.test:
  test case added
sql/item_subselect.cc:
  Item_subselect::get_tmp_table_item implementation
sql/item_subselect.h:
  Item_subselect::get_tmp_table_item declaration

Fixed compiler warnings (a lot of hidden variables detected by the Forte compiler)
Added a lot of 'version_xxx' strings to 'show variables'
Prevent copying of TMP_TABLE_PARAM (This caused core dump bug on Solaris)
Fixed problem with printing sub selects to debug log


Docs/mysqld_error.txt:
  Updated error messages
Makefile.am:
  Added missing SSL library (Should be in source distribution)
configure.in:
  Added missing SSL library
include/sql_common.h:
  Move duplicated prototypes
innobase/os/os0file.c:
  Added comment for line that could be removed
innobase/srv/srv0srv.c:
  Added comment for line that could be removed
innobase/srv/srv0start.c:
  Added comment for line that could be removed
innobase/trx/trx0sys.c:
  Added cast to remove compiler warning
isam/isamchk.c:
  Fixed compiler warning
libmysql/conf_to_src.c:
  Include files in proper order
myisam/mi_check.c:
  Removed else part that caused compiler warning
myisam/mi_delete.c:
  Added cast
myisam/mi_page.c:
  Added cast
myisam/mi_preload.c:
  Added cast
myisam/mi_write.c:
  Added cast
myisam/myisampack.c:
  changed 'byte' to 'current_byte' to avoid compiler warnings
mysql-test/mysql-test-run.sh:
  Removed start-from as test '<' is not portable and this can easily be done from command line
mysys/hash.c:
  Added cast
mysys/mf_wcomp.c:
  Removed not reached line
mysys/my_append.c:
  Fixed include file order to get this more portable
mysys/my_copy.c:
  Fixed include file order to get this more portable
mysys/my_redel.c:
  Fixed include file order to get this more portable
sql-common/client.c:
  More DBUG_PRINT
sql-common/pack.c:
  Added casts becasue Fortre compiler apparently compares (ulonglong) < (longlong) as signed
sql/ha_heap.cc:
  Changed variable names to not cause hidden variables
sql/ha_innodb.cc:
  Changed variable names to not cause hidden variables
sql/item.cc:
  Changed variable names to not cause hidden variables
sql/item.h:
  Changed variable names to not cause hidden variables
sql/item_cmpfunc.h:
  Changed variable names to not cause hidden variables
sql/item_func.cc:
  Changed variable names to not cause hidden variables
sql/item_subselect.cc:
  Changed variable names to not cause hidden variables
sql/item_subselect.h:
  Changed variable names to not cause hidden variables
sql/item_sum.cc:
  Changed variable names to not cause hidden variables
sql/item_timefunc.cc:
  Changed variable names to not cause hidden variables
sql/log.cc:
  Changed variable names to not cause hidden variables
sql/protocol.cc:
  Changed variable names to not cause hidden variables
sql/protocol.h:
  Changed variable names to not cause hidden variables
  Remove function not declared in protocol.cc
sql/protocol_cursor.cc:
  Changed variable names to not cause hidden variables
sql/set_var.cc:
  Added a lot of 'version_xxx' strings
  Changed 'bdb_version' to 'version_bdb'
sql/sql_class.cc:
  Changed variable names to not cause hidden variables
  Add TMP_TABLE_PARAM::init() to allow one to initialize structure several times
sql/sql_class.h:
  Prevent copying of TMP_TABLE_PARAM (This caused core dump bug on Solaris)
sql/sql_derived.cc:
  Avoid copying TMP_TABLE_PARAM (Use class version instead)
sql/sql_error.cc:
  More DBUG
sql/sql_help.cc:
  Fixed compiler warning
sql/sql_lex.cc:
  Changed variable names to not cause hidden variables
sql/sql_list.h:
  Changed variable names to not cause hidden variables
sql/sql_parse.cc:
  Changed variable names to not cause hidden variables
sql/sql_select.cc:
  Changed variable names to not cause hidden variables
  Ensure that you don't send NULL to printf() for %s
  Fixed problem with printing sub selects to debug log
sql/sql_select.h:
  Changed variable names to not cause hidden variables
sql/sql_union.cc:
  Changed variable names to not cause hidden variables
  Don't use local copy of TMP_TABLE_PARAM (Caused core dump on Solaris)
sql/sql_update.cc:
  Indentation cleanup
sql/sql_yacc.yy:
  Remove warning
strings/conf_to_src.c:
  Fixed include file order

mysql-test/r/union.result:
  new results with max union field length detecting
  type conversion tests
mysql-test/t/union.test:
  type conversion tests
sql/field.h:
  field converion support
sql/item.cc:
  fixed printing field of internal temporary table of SELECT (reference from HAVING clause)
  layout fix
  new item for storing field type
sql/item.h:
  new item for storing field type
sql/item_subselect.cc:
  new subquery item length/dec detecting
sql/mysql_priv.h:
  we do not need pre-inited tables and fields
sql/sql_base.cc:
  we do not need double fix_fielding
sql/sql_class.h:
  we do not need double fix_fielding
sql/sql_derived.cc:
  preparing moved before temporary table creation
sql/sql_lex.h:
  we do not need pre-inited tables and fields
  new lists to store fields types and fields of temporary table
sql/sql_parse.cc:
  we do not need pre-inited tables and fields
sql/sql_prepare.cc:
  we do not need pre-inited tables and fields
sql/sql_select.cc:
  we do not need pre-inited tables and fields
  support mysql_select call from derived tables after it preparing (in derived table routing)
  support of crreating temporary table fields from Item_type_holder
sql/sql_select.h:
  we do not need pre-inited tables and fields
sql/sql_union.cc:
  we do not need pre-inited tables and fields
  check of columns number in union moved to prepare()
  prepering of SELECTS moved before temporary table creation, fixed union columns type/length detecting
sql/sql_update.cc:
  we do not need pre-inited tables and fields

sql/item_create.cc:
  specify cause of uncachability
sql/item_func.cc:
  specify cause of uncachability
sql/item_subselect.cc:
  fixed setting RAND_TABLE_BIT
  specify cause of uncachability
sql/item_subselect.h:
  used one field for all uncachability causes
sql/mysql_priv.h:
  causes of uncachability
sql/sql_lex.cc:
  specify cause of uncachability
sql/sql_lex.h:
  used one field for all uncachability causes
sql/sql_select.cc:
  used one field for all uncachability causes
sql/sql_union.cc:
  used one field for all uncachability causes
sql/sql_yacc.yy:
  specify cause of uncachability

mysql-test/r/func_str.result:
  new results
sql/item.cc:
  charset changed
  printing string moved to String
sql/item_cmpfunc.cc:
  new comparation class builder to avoid long switch
  new print_agrs used
sql/item_cmpfunc.h:
  new comparation class builder to avoid long switch
sql/item_func.cc:
  new print_agrs
sql/item_func.h:
  new print_agrs
sql/item_strfunc.cc:
  new print_agrs
sql/item_subselect.cc:
  new comparation class builder to avoid long switch
sql/item_subselect.h:
  new comparation class builder to avoid long switch
sql/item_timefunc.cc:
  charset changed
sql/mysql_priv.h:
  new comparation class builder to avoid long switch
sql/mysqld.cc:
  new comparation class builder to avoid long switch
sql/sql_parse.cc:
  new comparation class builder to avoid long switch
sql/sql_string.cc:
  string printing moved to String class
sql/sql_string.h:
  string printing moved to String class
sql/sql_yacc.yy:
  birect class creation where it is possible

  all calls of fix_fields() are inspected
(copy of cset which I lost in accidatly tree delete)


mysql-test/r/subselect.result:
  test of BUG#1645
mysql-test/t/subselect.test:
  test of BUG#1645
sql/item_subselect.cc:
  removed passing left_expr through parameters, because it present in class fields
  fixed fix_fields() call
sql/item_subselect.h:
  removed passing left_expr through parameters, because it present in class fields
sql/set_var.cc:
  comments added
sql/sql_select.cc:
  fixed BUG#1645 (thd can be used in fix_fields of subqueries)

dependence should mean uncacheability


sql/item_subselect.cc:
  dependence should mean uncacheability
sql/sql_lex.cc:
  dependence should mean uncacheability
sql/sql_select.cc:
  join_free now is method of JOIN and commented
sql/sql_select.h:
  join_free now is method of JOIN

(test suite will be with next part)


sql/item_subselect.cc:
  fixed part of BUG#1708

added code covarage for functions convert(), nullif(), crc32(), is_used_lock(), char_lengtrh(), bit_xor()
added string length for more speed
made code covarage for print() method of Item
fixed printability of some items (SCRUM) (WL#1274)


mysql-test/r/auto_increment.result:
  print() code coverage
mysql-test/r/bench_count_distinct.result:
  print() code coverage
mysql-test/r/case.result:
  print() code coverage
mysql-test/r/cast.result:
  print() code coverage
mysql-test/r/ctype_collate.result:
  print() code coverage
mysql-test/r/ctype_many.result:
  convert with 3 arguments code covarage
  print() code coverage
mysql-test/r/ctype_utf8.result:
  char_length code coverage
mysql-test/r/date_formats.result:
  print() code coverage
mysql-test/r/fulltext.result:
  print() code coverage
mysql-test/r/func_compress.result:
  print() code coverage
mysql-test/r/func_gconcat.result:
  print() code coverage
mysql-test/r/func_group.result:
  bit_xor() code coverage
  print() code coverage
mysql-test/r/func_if.result:
  nullif() code coverage
  print() code coverage
mysql-test/r/func_in.result:
  print() code coverage
mysql-test/r/func_math.result:
  print() code coverage
mysql-test/r/func_op.result:
  print() code coverage
mysql-test/r/func_regexp.result:
  print() code coverage
mysql-test/r/func_set.result:
  print() code coverage
mysql-test/r/func_str.result:
  crc32() code coverage
  print() code coverage
mysql-test/r/func_system.result:
  print() code coverage
mysql-test/r/func_test.result:
  print() code coverage
mysql-test/r/func_time.result:
  print() code coverage
mysql-test/r/group_by.result:
  print() code coverage
mysql-test/r/having.result:
  print() code coverage
mysql-test/r/insert_update.result:
  print() code coverage
mysql-test/r/null.result:
  print() code coverage
mysql-test/r/olap.result:
  print() code coverage
mysql-test/r/query_cache.result:
  print() code coverage
mysql-test/r/row.result:
  print() code coverage
mysql-test/r/rpl000001.result:
  print() code coverage
mysql-test/r/rpl_get_lock.result:
  print() code coverage
mysql-test/r/rpl_master_pos_wait.result:
  print() code coverage
mysql-test/r/select.result:
  print() code coverage
mysql-test/r/subselect.result:
  print() code coverage
mysql-test/r/type_blob.result:
  print() code coverage
mysql-test/r/varbinary.result:
  print() code coverage
mysql-test/r/variables.result:
  print() code coverage
mysql-test/t/auto_increment.test:
  print() code coverage
mysql-test/t/bench_count_distinct.test:
  print() code coverage
mysql-test/t/case.test:
  print() code coverage
mysql-test/t/cast.test:
  print() code coverage
mysql-test/t/ctype_collate.test:
  print() code coverage
mysql-test/t/ctype_many.test:
  convert with 3 arguments code covarage
  print() code coverage
mysql-test/t/ctype_utf8.test:
  char_length code coverage
mysql-test/t/date_formats.test:
  print() code coverage
mysql-test/t/fulltext.test:
  print() code coverage
mysql-test/t/func_compress.test:
  print() code coverage
mysql-test/t/func_gconcat.test:
  print() code coverage
mysql-test/t/func_group.test:
  bit_xor() code coverage
  print() code coverage
mysql-test/t/func_if.test:
  nullif() code coverage
  print() code coverage
mysql-test/t/func_in.test:
  print() code coverage
mysql-test/t/func_math.test:
  print() code coverage
mysql-test/t/func_op.test:
  print() code coverage
mysql-test/t/func_regexp.test:
  print() code coverage
mysql-test/t/func_set.test:
  print() code coverage
mysql-test/t/func_str.test:
  crc32() code covarage
  print() code coverage
mysql-test/t/func_system.test:
  print() code coverage
mysql-test/t/func_test.test:
  print() code coverage
mysql-test/t/func_time.test:
  print() code coverage
mysql-test/t/group_by.test:
  print() code coverage
mysql-test/t/having.test:
  print() code coverage
mysql-test/t/insert_update.test:
  print() code coverage
mysql-test/t/null.test:
  print() code coverage
mysql-test/t/olap.test:
  print() code coverage
mysql-test/t/query_cache.test:
  print() code coverage
mysql-test/t/row.test:
  print() code coverage
mysql-test/t/rpl000001.test:
  print() code coverage
mysql-test/t/rpl_get_lock.test:
  print() code coverage
mysql-test/t/rpl_master_pos_wait.test:
  print() code coverage
mysql-test/t/select.test:
  print() code coverage
mysql-test/t/type_blob.test:
  print() code coverage
mysql-test/t/varbinary.test:
  print() code coverage
mysql-test/t/variables.test:
  print() code coverage
sql/item.cc:
  added string length for more speed
  layout fix
  fixed string printability
sql/item.h:
  added string length for more speed
sql/item_cmpfunc.cc:
  added string length for more speed
sql/item_cmpfunc.h:
  fixed printability
sql/item_create.cc:
  fixed printability
sql/item_func.cc:
  fixed printability
  added string length for more speed
sql/item_func.h:
  fixed printability
sql/item_strfunc.cc:
  fixed printability
  added string length for more speed
sql/item_strfunc.h:
  fixed printability
sql/item_subselect.cc:
  added string length for more speed
sql/item_sum.cc:
  added string length for more speed
sql/item_timefunc.cc:
  added string length for more speed
sql/item_timefunc.h:
  fixed printability
sql/item_uniq.h:
  added string length for more speed
sql/key.cc:
  added string length for more speed
sql/sql_lex.cc:
  added string length for more speed
sql/sql_parse.cc:
  after merge fix
sql/sql_repl.cc:
  string changed with character for more speed
sql/sql_select.cc:
  added string length for more speed
sql/sql_show.cc:
  added string length for more speed

code cleanup


mysql-test/r/subselect.result:
  test for BUG#1668
mysql-test/t/subselect.test:
  test for BUG#1668
sql/item_subselect.cc:
  removed unused class field
  fixed min_max subquery used_tables()/const()
  fixed ALL/ANY optimisation for unions
sql/item_subselect.h:
  removed unused class field
  fixed min_max subquery used_tables()/const()
sql/sql_union.cc:
  fixed result object assignment

(BUG#1638)


mysql-test/r/subselect.result:
  test for BUG#1638
mysql-test/t/subselect.test:
  test for BUG#1638
sql/item_subselect.cc:
  always check cardinality first

sql/item.cc:
  used variable to avoid using prev_unit->item which should be more clean
sql/item_subselect.cc:
  uncachable tested on fix fields and correct bits set

mysql-test/r/subselect.result:
  index name shown
sql/item_subselect.cc:
  index name shown

(BUG#1444)


mysql-test/r/subselect.result:
  BUG#1444 test
mysql-test/t/subselect.test:
  BUG#1444 test
sql/item.cc:
  storing used tables in Item_subselect
sql/item_subselect.cc:
  fixed support of used_tables() and const_item() in subqueries
sql/item_subselect.h:
  fixed support of used_tables() and const_item() in subqueries

new EXPLAIN parameter to show real query as it was interpreted
(SCRUM) (WL#1274)


mysql-test/r/subselect.result:
  new explains
mysql-test/r/union.result:
  new explains
mysql-test/t/subselect.test:
  new explains
mysql-test/t/union.test:
  new explains
sql/item.cc:
  fixed printability of Items in SELECT list
sql/item.h:
  fixed printability of Items in SELECT list
sql/item_cmpfunc.cc:
  fixed print()
sql/item_cmpfunc.h:
  fixed print()
sql/item_subselect.cc:
  subqueries made printable
sql/item_subselect.h:
  subqueries made printable
sql/mysql_priv.h:
  union option made looks like options
sql/sql_derived.cc:
  now this link is used
sql/sql_lex.cc:
  subqueries made printable
sql/sql_lex.h:
  subqueries made printable
  new EXPLAIN parameter support
sql/sql_parse.cc:
  new EXPLAIN parameter
sql/sql_select.cc:
  debug output
  new EXPLAIN parameter support
sql/sql_select.h:
  new EXPLAIN parameter support
sql/sql_yacc.yy:
  new EXPLAIN parameter support
  SELECT printability support

mysql-test/std_data/trunc_binlog.000001:
  Rename: mysql-test/std_data/trunc_binlog.001 -> mysql-test/std_data/trunc_binlog.000001
client/mysqltest.c:
  Fixed merge problem
mysql-test/mysql-test-run.sh:
  Fixed merge problem
mysql-test/r/distinct.result:
  Fix after merge
mysql-test/r/drop_temp_table.result:
  Fix after merge
mysql-test/r/join_outer.result:
  Fix after merge
mysql-test/r/mysqldump.result:
  Fix after merge
mysql-test/r/null_key.result:
  Fix after merge
mysql-test/r/order_by.result:
  Fix after merge
mysql-test/r/rpl_alter.result:
  Fix after merge
mysql-test/r/rpl_loaddata.result:
  Fix after merge
mysql-test/r/rpl_loaddata_rule_m.result:
  Fix after merge
mysql-test/r/rpl_trunc_binlog.result:
  Fix after merge
mysql-test/r/select_safe.result:
  Fix after merge
mysql-test/t/insert.test:
  Fix after merge
mysql-test/t/mysqlbinlog.test:
  Fix after merge
mysql-test/t/rpl000009.test:
  Fix after merge
mysql-test/t/rpl_alter.test:
  Fix after merge
mysql-test/t/rpl_loaddata_rule_m.test:
  Fix after merge
mysql-test/t/rpl_trunc_binlog.test:
  Fix after merge
sql-common/client.c:
  Fix after merge
sql/item_subselect.cc:
  Fix after merge
sql/repl_failsafe.cc:
  Fix after merge
sql/slave.cc:
  Fix after merge
sql/sql_insert.cc:
  Fix after merge

mysql-test/r/row.result:
  fixed error message as it was suggested by Peter Gulutzan
mysql-test/r/subselect.result:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/czech/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/danish/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/dutch/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/english/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/estonian/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/french/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/german/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/greek/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/hungarian/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/italian/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/japanese/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/korean/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/norwegian-ny/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/norwegian/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/polish/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/portuguese/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/romanian/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/russian/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/serbian/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/slovak/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/spanish/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/swedish/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan
sql/share/ukrainian/errmsg.txt:
  fixed error message as it was suggested by Peter Gulutzan

sql/item_subselect.cc:
  thd pointer storing moved to fix_fields()
sql/item_subselect.h:
  thd pointer storing moved to fix_fields()
sql/sql_yacc.yy:
  thd pointer storing moved to fix_fields()

Code review/cleanup of sub subselect_uniquesubquery_engine


sql/ha_myisam.cc:
  Removed unnecessary casts
sql/item_subselect.cc:
  Safety fix (reset engine)
  Code review/cleanup of sub subselect_uniquesubquery_engine
  Remove 'end_exec'. (Should be done on query end, not in the middle)
sql/item_subselect.h:
  Removed end_exec();
sql/mysqld.cc:
  Don't print warnings about 'setrlimit' if --warnings is not given

sql/item_subselect.cc:
  removed unused constructors
sql/item_subselect.h:
  removed unused constructors & methods

fixed IN optimisation bug


mysql-test/r/subselect.result:
  test of IN optimisation bug
mysql-test/t/subselect.test:
  test of IN optimisation bug
sql/item_subselect.cc:
  fixed IN optimisation bug
sql/mysql_priv.h:
  constant for additional IN subquery condition detecting
sql/mysqld.cc:
  constant for additional IN subquery condition detecting
sql/sql_select.cc:
  removing additional IN subquery condition

mysql-test/r/subselect.result:
  row union test
mysql-test/t/subselect.test:
  row union test

uninitialized value fixed


sql/item_cmpfunc.cc:
  fixed uninitialized used_tables_cache
  othyer caches moved on proper place
sql/item_subselect.cc:
  fixed reported table bit
sql/mysql_priv.h:
  after merge chenges.
sql/sql_parse.cc:
  used same new operator for all allocation in subroutine
sql/sql_union.cc:
  fake st_select_lex should have item list for ref_array allocation
sql/sql_yacc.yy:
  after merge changing