Fixed bugfix of INSERT ... SET db_name.table_name.column_name
Changed locking to external-locking
Fix client hangup for some invalid SQL queries.
Docs/manual.texi:
Changelog & recent incompatible changes to 4.0.3
include/mysqld_error.h:
New error messages
myisam/ft_boolean_search.c:
Removed compiler warning
myisam/mi_check.c:
Change mi_fix_rec_buff_for_blob to mi_alloc_rec_buff
myisam/mi_dynrec.c:
Change mi_fix_rec_buff_for_blob to mi_alloc_rec_buff
myisam/mi_extra.c:
Change mi_fix_rec_buff_for_blob to mi_alloc_rec_buff
myisam/mi_key.c:
Change mi_fix_rec_buff_for_blob to mi_alloc_rec_buff
myisam/mi_open.c:
Change mi_fix_rec_buff_for_blob to mi_alloc_rec_buff
myisam/mi_packrec.c:
Change mi_fix_rec_buff_for_blob to mi_alloc_rec_buff
myisam/myisamdef.h:
Change mi_fix_rec_buff_for_blob to mi_alloc_rec_buff
myisam/sort.c:
Fixed uninitialized variable
mysql-test/r/insert_set.result:
Change test case to use database foo
mysql-test/r/union.result:
Test wrong usage of union
mysql-test/t/insert_set.test:
Test bug in insert
mysql-test/t/union.test:
Test wrong usage of union
sql/item.h:
Indentation cleanup
sql/item_cmpfunc.h:
Indentation cleanup
sql/item_func.h:
Indentation cleanup
sql/item_strfunc.h:
Indentation cleanup
sql/item_sum.h:
Indentation cleanup
sql/item_timefunc.h:
Indentation cleanup
sql/item_uniq.h:
Indentation cleanup
sql/mysql_priv.h:
Fix that we always generate an error message when calling YYABORT
sql/mysqld.cc:
Changed command line arguments regarding locking to always use --external-locking
Disable external locking by default
sql/procedure.h:
Cleanup
sql/set_var.cc:
change locking -> external_locking
sql/share/czech/errmsg.txt:
New error messages
sql/share/danish/errmsg.txt:
New error messages
sql/share/dutch/errmsg.txt:
New error messages
sql/share/english/errmsg.txt:
New error messages
sql/share/estonian/errmsg.txt:
New error messages
sql/share/french/errmsg.txt:
New error messages
sql/share/german/errmsg.txt:
New error messages
sql/share/greek/errmsg.txt:
New error messages
sql/share/hungarian/errmsg.txt:
New error messages
sql/share/italian/errmsg.txt:
New error messages
sql/share/japanese/errmsg.txt:
New error messages
sql/share/korean/errmsg.txt:
New error messages
mysql-test/r/olap.result:
Removed CUBE/ROLLUP
mysql-test/t/olap.test:
Removed CUBE/ROLLUP
sql/share/norwegian-ny/errmsg.txt:
New error messages
sql/share/norwegian/errmsg.txt:
New error messages
sql/share/polish/errmsg.txt:
New error messages
sql/share/portuguese/errmsg.txt:
New error messages
sql/share/romanian/errmsg.txt:
New error messages
sql/share/russian/errmsg.txt:
New error messages
sql/share/slovak/errmsg.txt:
New error messages
sql/share/spanish/errmsg.txt:
New error messages
sql/share/swedish/errmsg.txt:
New error messages
sql/share/ukrainian/errmsg.txt:
New error messages
sql/sql_base.cc:
Removed wrong patch for INSERT...
sql/sql_insert.cc:
Fix bug in INSERT ... SET db_name.table_name.column_name
sql/sql_lex.h:
Changed NON_EXISTIONG_ONE -> UNSPECIFIED_OLAP_TYPE
sql/sql_olap.cc:
Removed wrong implementation of CUBE/ROLLUP
sql/sql_parse.cc:
Removed wrong implementation of CUBE/ROLLUP
Added function to give better error messages
sql/sql_select.cc:
Removed wrong implementation of CUBE/ROLLUP
sql/sql_union.cc:
Added comment
sql/sql_yacc.yy:
Fix that we always generate an error message when calling YYABORT
Made a some new buffers thread specific and changeable.
Resize of key_buffer.
AUTO_COMMIT -> AUTOCOMMIT
Fixed mutex bug in DROP DATABASE
Fixed bug when using auto_increment as second part of a key where first part could include NULL.
Split handler->extra() to extra() and extra_opt() to be able to support thread specific buffers.
Don't write message to error log when slave reconnects becasue of timeout.
Fixed possible update problem when using DELETE/UPDATE on small tables
(In some cases we used index even if table scanning would be better)
A lot of minior code cleanups
BitKeeper/deleted/.del-net.c~ef21d6402bb882f9:
Delete: libmysql/net.c
BitKeeper/etc/ignore:
added libmysql/net.c
Docs/manual.texi:
New SET syntax & system variables.
client/client_priv.h:
moved order of include files
client/mysql.cc:
Removed compiler warning
client/mysqladmin.c:
Use new SHOW GLOBAL syntax (if server supports it)
configure.in:
version change
include/Makefile.am:
indentation cleanup
include/my_getopt.h:
Made some helper functions global
include/my_sys.h:
Removed not used code
include/myisam.h:
Added extra argument to ..._extra()
include/myisammrg.h:
Added extra argument to ..._extra()
include/mysql_com.h:
changed NET to be able to support changeable system variables
include/mysql_embed.h:
Added MYSQL_SERVER_SUFFIX
include/mysql_version.h.in:
Added check of multiple including (needed for embedded library)
include/mysqld_error.h:
New error messages
innobase/dict/dict0dict.c:
Remove compiler warnings
innobase/include/ut0mem.h:
Remove compiler warnings
innobase/include/ut0mem.ic:
Remove compiler warnings
isam/isamchk.c:
new init_key_cache() arguments
isam/isamlog.c:
new init_key_cache() arguments
isam/test2.c:
new init_key_cache() arguments
isam/test3.c:
new init_key_cache() arguments
libmysql/Makefile.am:
Removed net.c (Automaticly make it from net_serv.cc)
libmysql/Makefile.shared:
Removed net.c (Automaticly make it from net_serv.cc)
libmysql/libmysql.c:
Changeable system variables
libmysqld/Makefile.am:
Added set_var.cc file
libmysqld/embedded_priv.h:
Changed order of include fiels
libmysqld/lib_sql.cc:
merge with mysqld.cc (for changeable variables)
libmysqld/libmysqld.c:
New changeable system variables
myisam/mi_check.c:
Added extra argument to ..._extra()
myisam/mi_extra.c:
Added extra argument to ..._extra()
myisam/mi_open.c:
Removed not used variable
myisam/mi_test1.c:
Changed call to init_key_cache
myisam/mi_test2.c:
Added extra argument to ..._extra()
myisam/mi_test3.c:
Added extra argument to ..._extra()
myisam/mi_write.c:
Add cache size argument to bulk-insert-init
myisam/myisamchk.c:
Use new key cache
myisam/myisamdef.h:
new mi_init_bulk_insert() arguments
myisam/myisamlog.c:
Added extra argument to ..._extra()
myisam/myisampack.c:
Added extra argument to ..._extra()
myisammrg/myrg_extra.c:
Added extra argument to ..._extra()
myisammrg/myrg_rrnd.c:
Added extra argument to ..._extra()
mysql-test/r/insert_select.result:
New changeable system variables
mysql-test/r/key.result:
Test of bug in auto_increment
mysql-test/r/query_cache.result:
New changeable system variables
mysql-test/r/rpl000001.result:
New changeable system variables
mysql-test/r/rpl000016.result:
New changeable system variables
mysql-test/r/union.result:
New changeable system variables
mysql-test/r/user_var.result:
New changeable system variables
mysql-test/r/variables.result:
New changeable system variables
mysql-test/t/key.test:
Test of bug in auto_increment
mysql-test/t/query_cache.test:
New changeable system variables
mysql-test/t/rpl000001.test:
New changeable system variables
mysql-test/t/rpl000009.test:
New changeable system variables
mysql-test/t/rpl000016.test:
New changeable system variables
mysql-test/t/rpl_compat.test:
New changeable system variables
mysql-test/t/union.test:
New changeable system variables
mysql-test/t/user_var.test:
New changeable system variables
mysql-test/t/variables.test:
New changeable system variables
mysys/default.c:
Bigger default memory allocation
mysys/mf_iocache.c:
Removed compiler warning
mysys/mf_keycache.c:
Made key cache resizable on the fly
Removed not needed extra argument to init_key_cache()
mysys/my_getopt.c:
Made some helper functions global
sql/Makefile.am:
Aded set_var.cc
sql/convert.cc:
Comment cleanup
sql/field.cc:
new changeable system variables
sql/filesort.cc:
new changeable system variables
sql/ha_berkeley.cc:
AUTO_COMMIT -> AUTOCOMMIT
sql/ha_innodb.cc:
new changeable system variables
sql/ha_myisam.cc:
Added extra argument to ..._extra()
sql/ha_myisam.h:
Added extra argument to ..._extra()
sql/ha_myisammrg.cc:
Added extra argument to ..._extra()
sql/ha_myisammrg.h:
Added extra argument to ..._extra()
sql/handler.cc:
Added extra argument to ..._extra()
Added resize of key cache
Change ha_table_typelib for use with new system variables
sql/handler.h:
Added extra argument to ..._extra()
sql/item.cc:
new changeable system variables
sql/item.h:
Added better support of Item_uint
sql/item_func.cc:
Added support for SET @@[global | session] system_variable
sql/item_strfunc.cc:
new changeable system variables
sql/key.cc:
Fixed bug in auto_increment on second part keys
sql/lex.h:
Removed not needed keywords
sql/log.cc:
new changeable system variables
sql/log_event.cc:
new changeable system variables
sql/log_event.h:
Removed not needed var reference
sql/mini_client.cc:
new changeable system variables
code cleanup
sql/mini_client.h:
Indentation cleanup
sql/mysql_priv.h:
Changed order of include files & variables to make file more readable
sql/mysqld.cc:
Changed order of variables to make file more readable.
Support for changeable variables
Rename of system variables
Moved init_vars to set_var.cc
Changed output of --help
sql/net_pkg.cc:
Added my_net_local_init() to make it possible to set different defaults for network connection depending if you are a client, embedded library or server.
sql/net_serv.cc:
new changeable system variables
To support this, some global variables had to be move to the NET structure.
sql/records.cc:
new changeable system variables
use extra_opt()
sql/repl_failsafe.cc:
new changeable system variables
minior code cleanups
sql/repl_failsafe.h:
removed not needed external var reference
sql/share/czech/errmsg.txt:
new changeable system variables
sql/share/danish/errmsg.txt:
new changeable system variables
sql/share/dutch/errmsg.txt:
new changeable system variables
sql/share/english/errmsg.txt:
new changeable system variables
sql/share/estonian/errmsg.txt:
new changeable system variables
sql/share/french/errmsg.txt:
new changeable system variables
sql/share/german/errmsg.txt:
new changeable system variables
sql/share/greek/errmsg.txt:
new changeable system variables
sql/share/hungarian/errmsg.txt:
new changeable system variables
sql/share/italian/errmsg.txt:
new changeable system variables
sql/share/japanese/errmsg.txt:
new changeable system variables
sql/share/korean/errmsg.txt:
new changeable system variables
sql/share/norwegian-ny/errmsg.txt:
new changeable system variables
sql/share/norwegian/errmsg.txt:
new changeable system variables
sql/share/polish/errmsg.txt:
new changeable system variables
sql/share/portuguese/errmsg.txt:
new changeable system variables
sql/share/romanian/errmsg.txt:
new changeable system variables
sql/share/russian/errmsg.txt:
new changeable system variables
sql/share/slovak/errmsg.txt:
new changeable system variables
sql/share/spanish/errmsg.txt:
new changeable system variables
sql/share/swedish/errmsg.txt:
new changeable system variables
sql/share/ukrainian/errmsg.txt:
new changeable system variables
sql/slave.cc:
new changeable system variables
Added some suppression of error messages
Initialize current_thd for all slave threads.
sql/sql_acl.cc:
Added checking of arguments for SET PASSWORD (for new SET defintion)
sql/sql_acl.h:
new prototypes
sql/sql_base.cc:
new changeable system variables
sql/sql_cache.cc:
new changeable system variables
sql/sql_cache.h:
Renamed some arguments to make code more readable
sql/sql_class.cc:
new changeable system variables
sql/sql_class.h:
New changeable system variables
Code cleanup
sql/sql_db.cc:
Fixed bug in DROP DATABASE
sql/sql_delete.cc:
Usage of wrong define in test (possible speed problem)
sql/sql_insert.cc:
use extra_opt()
Code cleanup
sql/sql_lex.cc:
Added support for SET @@[global | session] system_variable
sql/sql_lex.h:
Added support for SET @@[global | session] system_variable
sql/sql_load.cc:
Cleanup for embedded library
Use extra_opt()
sql/sql_parse.cc:
Cleanup for embedded library
New changeable system variables
sql/sql_repl.cc:
new changeable system variables
sql/sql_repl.h:
Fixed variable definitions
sql/sql_select.cc:
new changeable system variables
sql/sql_show.cc:
New changeable system variables
sql/sql_table.cc:
Fixed bug in DROP DATABASE
sql/sql_union.cc:
New changeable system variables
sql/sql_update.cc:
Usage of wrong define in test (possible speed problem)
sql/sql_yacc.yy:
New changeable system variables
sql/structs.h:
Added typedef for SHOW_VAR
sql/table.cc:
Fixed bug in auto_increment on second part keys
sql/uniques.cc:
Comment fix
sql/unireg.h:
A
checkings
mysql-test/r/union.result:
fix for the limit bug in UNION's
mysql-test/t/union.test:
fix for the limit bug in UNION's
sql/sql_union.cc:
fix for the limit bug in UNION's
sql/sql_yacc.yy:
Syntax checking for options that should appear in main select only.
libmysql/libmysql.c:
Fixes a very rare bug when variable name (without '_') and it's
value are at the very end of the config file.
I have tested it , but would liek little mobster to test it further
mysql-test/r/union.result:
results for union test that proves that EXPLAIN UNION bugs are fixed
mysql-test/t/union.test:
additional tests for EXPLAIN on UNION's that have previously failed
sql/sql_yacc.yy:
Some small fixes for newer parsers.
Only unsigned int yystacksize remains to be fixed.
This I leave to Monty.
Present fixes are only aesthetic and do not harm.
Fixed bug in query cache.
Cleaned up des_crypt code.
BitKeeper/deleted/.del-fsck.mysql~87170d4358b50d60:
Delete: fs/fsck.mysql
Docs/manual.texi:
Changed != to <>
mysql-test/mysql-test-run.sh:
Fix sleep times to take into account creation of InnoDB tables.
mysql-test/r/group_by.result:
More tests
mysql-test/r/query_cache.result:
More tests
mysql-test/r/union.result:
More tests
mysql-test/t/func_str.test:
Fix for FreeBSD
mysql-test/t/query_cache.test:
More tests
mysql-test/t/union.test:
More tests
mysys/my_winsem.c:
Cleanup comments
sql/des_key_file.cc:
Cleanup des_crypt code
sql/item_strfunc.cc:
Cleanup des_crypt code
sql/item_strfunc.h:
Cleanup des_crypt code
sql/mysql_priv.h:
Cleanup des_crypt code
sql/mysqld.cc:
Cleanup des_crypt code
sql/sql_acl.cc:
For for GRANT and lower-case-table names
sql/sql_cache.cc:
Function for integrity checking.
Fixed bug when merging blocks.
sql/sql_cache.h:
Function for integrity checking.
sql/sql_delete.cc:
Cleanup
sql/sql_parse.cc:
For for GRANT and lower-case-table names
sql/sql_union.cc:
Cleanup & fixed bug in LIMIT handling
sql/sql_yacc.yy:
C
mysql-test/r/union.result:
New results for optional UNION syntax
mysql-test/t/union.test:
New test for alternate syntax for UNION
sql/sql_delete.cc:
Fixed bug in multi-table delete's with transactional tables
sql/sql_parse.cc:
A small change to enable new UNION syntax
sql/sql_union.cc:
New alternate UNION syntax
sql/sql_yacc.yy:
New alternate UNION syntax
Fixed bug in UNION
client/mysqlbinlog.cc:
Added error message handling to read_log_event()
heap/hp_write.c:
More debug info
myisam/myisampack.c:
Cleanup
mysql-test/mysql-test-run.sh:
Portability fixes.
mysql-test/r/union.result:
More tests cases for UNION
mysql-test/t/union.test:
More tests cases for UNION
sql/Makefile.am:
Added mysql_embed.h
sql/item.cc:
Fixed bug when using the same table multiple times in union.
sql/log_event.cc:
Removed use of ## construct (Portability problem)
sql/log_event.h:
Added error message handling to read_log_event()
sql/mysql_priv.h:
Added mysql_embed.h
sql/opt_sum.cc:
Cleanup
sql/slave.cc:
cleanup
sql/sql_base.cc:
Integrated table->ref_primary_key into table->part_of_key
sql/sql_union.cc:
Cleanup
sql/table.cc:
Integrated table->ref_primary_key into table->part_of_key
sql/table.h:
Integrated table->ref_primary_key into table->part_of_key
myisam/mi_extra.c:
More debugging information
mysql-test/r/union.result:
Added test for UNION bug
mysql-test/t/union.test:
Added test for UNION bug
sql/sql_base.cc:
Clear field->query_id when using UNION
sql/sql_parse.cc:
Fix for UNION bug
sql/sql_union.cc:
Cleanup
sql/table.h:
Fix for UNION bug
tools/Makefile.am:
Fix for compiling with MIT-threads
client/mysql.cc:
Increased version number
client/mysqltest.c:
Changed to use default path
include/mysql.h:
Changed prototype of mysql_server_init
libmysql/libmysql.c:
Changed prototype of mysql_server_init
libmysqld/lib_sql.cc:
Changed prototype of mysql_server_init
mysql-test/r/union.result:
Added test for UNION bug
mysql-test/t/union.test:
Added test for UNION bug
Fixed replication bug in load_master_data
BitKeeper/deleted/.del-global.h~e80d28157acfdcb5:
Delete: include/global.h
Docs/manual.texi:
Cleaned up "Things to do in 4.0"
mysql-test/r/union.result:
New test
mysql-test/t/union.test:
New test
mysys/my_lib.c:
Cleanup
sql/mysql_priv.h:
Fixed replication bug load_master_data
sql/sql_base.cc:
Fixed bug in UNION
sql/sql_db.cc:
Fixed replication bug load_master_data
sql/sql_parse.cc:
Fixed replication bug load_master_data
sql/sql_repl.cc:
Fixed replication bug load_master_data
sql/sql_union.cc:
Fixed bug in UNION
tools/mysqlmanager.c:
Portability fix
New global read lock code
Fixed bug in DATETIME with WHERE optimization
Made UNION code more general.
include/global.h:
Remove warning on Linux Alpha
include/mysql_com.h:
Move some C variables inside extern "C" block.
include/mysqld_error.h:
New error mesages
myisam/mi_write.c:
cleanup
mysql-test/r/select.result:
Fix because of table lists now always has a database argument.
mysql-test/r/type_datetime.result:
Test for bug with datetime and where optimization
mysql-test/r/union.result:
Updated result
mysql-test/t/type_datetime.test:
New test for datetime
mysql-test/t/union.test:
More testing of error conditions
sql/item_sum.cc:
Remove warnings on Linux Alpha
sql/item_sum.h:
Cleanup
sql/lock.cc:
Cleaned up global lock handling
sql/log_event.cc:
Removed default arguments from declarations (not allowed in cxx)
sql/mysql_priv.h:
New prototypes
sql/mysqld.cc:
Fix for global locks
sql/opt_range.cc:
Cleanup
sql/share/czech/errmsg.txt:
New errors
sql/share/danish/errmsg.txt:
New errors
sql/share/dutch/errmsg.txt:
New errors
sql/share/english/errmsg.txt:
New errors
sql/share/estonian/errmsg.txt:
New errors
sql/share/french/errmsg.txt:
New errors
sql/share/german/errmsg.txt:
New errors
sql/share/greek/errmsg.txt:
New errors
sql/share/hungarian/errmsg.txt:
New errors
sql/share/italian/errmsg.txt:
New errors
sql/share/japanese/errmsg.txt:
New errors
sql/share/korean/errmsg.txt:
New errors
sql/share/norwegian-ny/errmsg.txt:
New errors
sql/share/norwegian/errmsg.txt:
New errors
sql/share/polish/errmsg.txt:
New errors
sql/share/portuguese/errmsg.txt:
New errors
sql/share/romanian/errmsg.txt:
New errors
sql/share/russian/errmsg.txt:
New errors
sql/share/slovak/errmsg.txt:
New errors
sql/share/spanish/errmsg.txt:
New errors
sql/share/swedish/errmsg.OLD:
New errors
sql/share/swedish/errmsg.txt:
New errors
sql/sql_acl.cc:
Use thd->host_or_ip
sql/sql_class.cc:
Use new global lock code
sql/sql_class.h:
host_or_ip
sql/sql_db.cc:
host_or_ip
sql/sql_delete.cc:
Use now global lock code
sql/sql_lex.h:
Cleanup of not used states and variables
sql/sql_parse.cc:
Use now global locks.
Made UNION code more general.
Change to use thd->hosts_or_ip.
TABLE_LIST now always has 'db' set.
sql/sql_repl.cc:
Portability fixes.
Changed wrong usage of my_vsnprintf -> my_snprintf
sql/sql_select.cc:
Changes for UNION
sql/sql_show.cc:
Cleanup
sql/sql_union.cc:
Handle 'select_result' outside of mysql_union().
sql/sql_yacc.yy:
Fixes for union
New faster list iterators
Change list code to be simpler and faster
Optimize count(distinct)
New error messages for UNION
Make create_tmp_table more general to be usable by UNION
Docs/manual.texi:
Changelog
include/mysqld_error.h:
Add new error messages needed for UNION
mysql-test/r/union.result:
New tests for UNION
mysql-test/t/analyse.test:
Add missing drop table
mysql-test/t/union.test:
new tests for UNION
sql/Makefile.am:
Change name of sql_unions.cc to sql_union.cc
sql/item.cc:
Use List_iterator_fast
sql/item_cmpfunc.cc:
Use List_iterator_fast
sql/item_func.cc:
Use List_iterator_fast
sql/item_sum.cc:
Use List_iterator_fast
Optimize count(distinct)
Cleanup of indentation and comments
sql/item_sum.h:
Optimize count(distinct)
sql/key.cc:
Use List_iterator_fast
sql/mysql_priv.h:
Add new option bits
sql/opt_sum.cc:
Use List_iterator_fast
sql/share/Makefile.am:
Add 'fix_errors' label
sql/share/czech/errmsg.txt:
Add new error messages needed for UNION
sql/share/danish/errmsg.txt:
Add new error messages needed for UNION
sql/share/dutch/errmsg.txt:
Add new error messages needed for UNION
sql/share/english/errmsg.txt:
Add new error messages needed for UNION
sql/share/estonian/errmsg.txt:
Add new error messages needed for UNION
sql/share/french/errmsg.txt:
Add new error messages needed for UNION
sql/share/german/errmsg.txt:
Add new error messages needed for UNION
sql/share/greek/errmsg.txt:
Add new error messages needed for UNION
sql/share/hungarian/errmsg.txt:
Add new error messages needed for UNION
sql/share/italian/errmsg.txt:
Add new error messages needed for UNION
sql/share/japanese/errmsg.txt:
Add new error messages needed for UNION
sql/share/korean/errmsg.txt:
Add new error messages needed for UNION
sql/share/norwegian-ny/errmsg.txt:
Add new error messages needed for UNION
sql/share/norwegian/errmsg.txt:
Add new error messages needed for UNION
sql/share/polish/errmsg.txt:
Add new error messages needed for UNION
sql/share/portuguese/errmsg.txt:
Add new error messages needed for UNION
sql/share/romanian/errmsg.txt:
Add new error messages needed for UNION
sql/share/russian/errmsg.txt:
Add new error messages needed for UNION
sql/share/slovak/errmsg.txt:
Add new error messages needed for UNION
sql/share/spanish/errmsg.txt:
Add new error messages needed for UNION
sql/share/swedish/errmsg.txt:
Add new error messages needed for UNION
sql/sql_analyse.cc:
Use List_iterator_fast
sql/sql_base.cc:
Use List_iterator_fast
Add new argument to setup_fields
sql/sql_class.cc:
Use List_iterator_fast
sql/sql_class.h:
Create new class for UNION
sql/sql_handler.cc:
Use List_iterator_fast
sql/sql_insert.cc:
Use List_iterator_fast
sql/sql_lex.h:
Cleanup
sql/sql_list.cc:
Faster iteration of lists
sql/sql_list.h:
Faster iterations of lists
sql/sql_load.cc:
Use List_iterator_fast
sql/sql_parse.cc:
Fix UNION code
sql/sql_select.cc:
Use List_iterator_fast
Make create_tmp_table more general to be usable by UNION
sql/sql_select.h:
Changes to speed up copy_fields()
sql/sql_show.cc:
Use List_iterator_fast
sql/sql_table.cc:
Use List_iterator_fast
sql/sql_union.cc:
Fix UNION code
sql/sql_update.cc:
Use List_iterator_fast
sql/sql_yacc.yy:
Fix UNION code
