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author | unknown <monty@work.mysql.com> | 2001-04-11 13:04:03 +0200 |
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committer | unknown <monty@work.mysql.com> | 2001-04-11 13:04:03 +0200 |
commit | 8dd2e5b8d93d79965e833e3b979675240478c591 (patch) | |
tree | 9ad58a68370fc8feb8195b7b9c6423d58372093a /sql/sql_update.cc | |
parent | 0c971641774f4d06f5442ef23af5d8c7ef9058ab (diff) | |
download | mariadb-git-8dd2e5b8d93d79965e833e3b979675240478c591.tar.gz |
Added all changes from old 4.0 version:
PSTACK, libmysqld and MySQL filesystem
UPDATE ... ORDER BY
DELETE ... ORDER BY
New faster fulltext handling
Faster compressed keys
Makefile.am:
Added support for pstack and libmysqld_dir
acconfig.h:
MySQL filesystem and PSTACK
acinclude.m4:
MySQL File system
client/mysql.cc:
Support for --xml
configure.in:
Pstack, MySQL FS and libmysqld_dir
include/ft_global.h:
Faster fulltext
include/my_pthread.h:
Made c++ safe
include/myisam.h:
Update for faster fulltext
include/mysql_com.h:
new my_net_read()
include/violite.h:
libmysqld
libmysql/net.c:
New protocol that supports big packets
myisam/Makefile.am:
Faster fulltext
myisam/ft_parser.c:
Faster fulltext
myisam/ft_search.c:
Faster fulltext
myisam/ft_update.c:
Faster fulltext
myisam/ftdefs.h:
Faster fulltext
myisam/mi_check.c:
Faster fulltext
myisam/mi_open.c:
Faster compressed keys
myisam/mi_search.c:
Faster compressed keys
myisam/mi_update.c:
Faster compressed keys
myisam/myisamdef.h:
Faster compressed keys
myisam/sort.c:
Faster compressed keys
mysql-test/mysql-test-run.sh:
--skip-innobase and --skip-bdb
sql/ChangeLog:
Changelog
sql/Makefile.am:
PSTACK
sql/mysql_priv.h:
New ORDER BY options and libmysqld
sql/mysqld.cc:
PSTACK
sql/net_serv.cc:
New protocol that supports big packets
sql/share/estonian/errmsg.txt:
New error messages
sql/sql_base.cc:
Better list_open_tabels
sql/sql_delete.cc:
ORDER BY for delete
sql/sql_lex.cc:
Added language convertation of all strings
sql/sql_parse.cc:
Changes for libmysqld
Use new ORDER BY options
sql/sql_show.cc:
Character set convertations
Use new list_open_tables function.
sql/sql_update.cc:
UPDATE ... ORDER BY
sql/sql_yacc.yy:
Clean up symbol definitions
DELETE .. ORDER BY
UPDATE .. ORDER BY
sql/table.h:
new OPEN_TABLE_LIST structure
BitKeeper/etc/logging_ok:
Logging to logging@openlogging.org accepted
Diffstat (limited to 'sql/sql_update.cc')
-rw-r--r-- | sql/sql_update.cc | 46 |
1 files changed, 38 insertions, 8 deletions
diff --git a/sql/sql_update.cc b/sql/sql_update.cc index 87a2f5c7b2b..3cba3b4be6a 100644 --- a/sql/sql_update.cc +++ b/sql/sql_update.cc @@ -1,15 +1,15 @@ /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB - + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ @@ -40,8 +40,12 @@ static bool compare_record(TABLE *table, ulong query_id) } -int mysql_update(THD *thd,TABLE_LIST *table_list,List<Item> &fields, - List<Item> &values, COND *conds, +int mysql_update(THD *thd, + TABLE_LIST *table_list, + List<Item> &fields, + List<Item> &values, + COND *conds, + ORDER *order, ha_rows limit, enum enum_duplicates handle_duplicates, thr_lock_type lock_type) @@ -163,6 +167,32 @@ int mysql_update(THD *thd,TABLE_LIST *table_list,List<Item> &fields, table->key_read=1; table->file->extra(HA_EXTRA_KEYREAD); } + + if (order) + { + uint length; + SORT_FIELD *sortorder; + TABLE_LIST tables; + List<Item> fields; + List<Item> all_fields; + + bzero((char*) &tables,sizeof(tables)); + tables.table = table; + + table->io_cache = (IO_CACHE *) my_malloc(sizeof(IO_CACHE), + MYF(MY_FAE | MY_ZEROFILL)); + if (setup_order(thd, &tables, fields, all_fields, order) || + !(sortorder=make_unireg_sortorder(order, &length)) || + (table->found_records = filesort(&table, sortorder, length, + (SQL_SELECT *) 0, 0L, HA_POS_ERROR)) + == HA_POS_ERROR) + { + delete select; + table->time_stamp=save_time_stamp; // Restore timestamp pointer + DBUG_RETURN(-1); + } + } + init_read_record(&info,thd,table,select,0,1); thd->proc_info="searching"; @@ -180,7 +210,7 @@ int mysql_update(THD *thd,TABLE_LIST *table_list,List<Item> &fields, } else { - if (!(test_flags & 512)) /* For debugging */ + if (!(test_flags & 512)) /* For debugging */ { DBUG_DUMP("record",(char*) table->record[0],table->reclength); } @@ -202,7 +232,7 @@ int mysql_update(THD *thd,TABLE_LIST *table_list,List<Item> &fields, select->cond=0; } else - { + { select= new SQL_SELECT; select->head=table; } @@ -213,7 +243,7 @@ int mysql_update(THD *thd,TABLE_LIST *table_list,List<Item> &fields, { delete select; table->time_stamp=save_time_stamp; // Restore timestamp pointer - DBUG_RETURN(-1); + DBUG_RETURN(-1); } } |