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authorunknown <monty@narttu.mysql.fi>2003-05-19 16:35:49 +0300
committerunknown <monty@narttu.mysql.fi>2003-05-19 16:35:49 +0300
commitdaac922bc306847581b9acee4bcf0a31707d72e7 (patch)
tree6025913cf3d482ba0783bf3420f7341c10cd574a /myisam/mi_search.c
parent7c189b0dcf26ad8e408b8eaa7d69dbbe913ba421 (diff)
parent68aa31f268660db07b634f021716ecb872e19679 (diff)
downloadmariadb-git-daac922bc306847581b9acee4bcf0a31707d72e7.tar.gz
Merge with 4.0.13
BitKeeper/etc/ignore: auto-union BitKeeper/etc/logging_ok: auto-union BUILD/SETUP.sh: Auto merged BitKeeper/deleted/.del-libmysql.def~29fc6d70335f1c4c: Auto merged Makefile.am: Auto merged acinclude.m4: Auto merged BitKeeper/triggers/post-commit: Auto merged Build-tools/Do-compile: Auto merged VC++Files/libmysql/libmysql.dsp: Auto merged VC++Files/mysql.dsw: Auto merged client/mysql.cc: Auto merged client/mysqlbinlog.cc: Auto merged client/mysqldump.c: Auto merged include/config-win.h: Auto merged include/my_base.h: Auto merged include/my_global.h: Auto merged include/my_pthread.h: Auto merged include/my_sys.h: Auto merged include/violite.h: Auto merged innobase/buf/buf0flu.c: Auto merged innobase/buf/buf0lru.c: Auto merged innobase/include/buf0buf.h: Auto merged innobase/include/buf0lru.h: Auto merged innobase/include/row0mysql.h: Auto merged innobase/include/srv0srv.h: Auto merged innobase/lock/lock0lock.c: Auto merged innobase/log/log0log.c: Auto merged innobase/log/log0recv.c: Auto merged innobase/os/os0file.c: Auto merged innobase/row/row0mysql.c: Auto merged innobase/row/row0sel.c: Auto merged innobase/srv/srv0srv.c: Auto merged innobase/srv/srv0start.c: Auto merged innobase/trx/trx0sys.c: Auto merged innobase/trx/trx0trx.c: Auto merged innobase/ut/ut0ut.c: Auto merged myisam/ft_boolean_search.c: Auto merged myisam/mi_check.c: Auto merged myisam/mi_key.c: Auto merged myisam/mi_open.c: Auto merged myisam/mi_range.c: Auto merged myisam/mi_search.c: Auto merged myisam/sort.c: Auto merged mysql-test/r/delete.result: Auto merged mysql-test/r/fulltext.result: Auto merged mysql-test/r/innodb_handler.result: Auto merged mysql-test/r/join.result: Auto merged mysql-test/r/join_outer.result: Auto merged mysql-test/r/key.result: Auto merged mysql-test/r/multi_update.result: Auto merged mysql-test/r/myisam.result: Auto merged mysql-test/r/query_cache.result: Auto merged mysql-test/r/select.result: Auto merged mysql-test/r/variables.result: Auto merged mysql-test/t/alter_table.test: Auto merged mysql-test/t/ctype_latin1_de.test: Auto merged mysql-test/t/delete.test: Auto merged mysql-test/t/fulltext.test: Auto merged mysql-test/t/innodb_handler.test: Auto merged mysql-test/t/join.test: Auto merged mysql-test/t/join_outer.test: Auto merged mysql-test/t/key.test: Auto merged mysql-test/t/multi_update.test: Auto merged mysql-test/t/myisam.test: Auto merged mysql-test/t/query_cache.test: Auto merged mysql-test/t/repair.test: Auto merged mysql-test/t/select_safe.test: Auto merged mysql-test/t/type_decimal.test: Auto merged mysql-test/t/variables.test: Auto merged mysys/default.c: Auto merged mysys/my_pthread.c: Auto merged scripts/mysql_fix_privilege_tables.sh: Auto merged scripts/mysqld_safe.sh: Auto merged sql/ha_heap.h: Auto merged sql/ha_innodb.h: Auto merged sql/ha_myisam.cc: Auto merged sql/handler.cc: Auto merged sql/handler.h: Auto merged sql/init.cc: Auto merged sql/item.cc: Auto merged sql/item_create.cc: Auto merged sql/item_strfunc.cc: Auto merged sql/item_sum.cc: Auto merged sql/mini_client.cc: Auto merged sql/net_serv.cc: Auto merged sql/opt_range.cc: Auto merged sql/records.cc: Auto merged sql/slave.cc: Auto merged sql/sql_acl.h: Auto merged sql/sql_analyse.cc: Auto merged sql/sql_class.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_list.h: Auto merged sql/sql_load.cc: Auto merged sql/share/czech/errmsg.txt: Auto merged sql/share/danish/errmsg.txt: Auto merged sql/share/dutch/errmsg.txt: Auto merged sql/share/english/errmsg.txt: Auto merged sql/share/estonian/errmsg.txt: Auto merged sql/share/french/errmsg.txt: Auto merged sql/share/greek/errmsg.txt: Auto merged sql/share/hungarian/errmsg.txt: Auto merged sql/share/italian/errmsg.txt: Auto merged sql/share/japanese/errmsg.txt: Auto merged sql/share/korean/errmsg.txt: Auto merged sql/share/norwegian-ny/errmsg.txt: Auto merged sql/share/norwegian/errmsg.txt: Auto merged sql/share/portuguese/errmsg.txt: Auto merged sql/share/romanian/errmsg.txt: Auto merged sql/share/russian/errmsg.txt: Auto merged sql/share/slovak/errmsg.txt: Auto merged sql/share/spanish/errmsg.txt: Auto merged sql/share/swedish/errmsg.txt: Auto merged sql/share/ukrainian/errmsg.txt: Auto merged sql/unireg.h: Auto merged sql-bench/crash-me.sh: Auto merged sql-bench/test-transactions.sh: Auto merged strings/ctype-tis620.c: Auto merged tests/grant.res: Auto merged sql/log_event.cc: Merge with 4.0.13 Cleaned up comment syntax
Diffstat (limited to 'myisam/mi_search.c')
-rw-r--r--myisam/mi_search.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/myisam/mi_search.c b/myisam/mi_search.c
index 04803d7a901..340d8ec2db6 100644
--- a/myisam/mi_search.c
+++ b/myisam/mi_search.c
@@ -1033,6 +1033,37 @@ uint _mi_keylength(MI_KEYDEF *keyinfo, register uchar *key)
} /* _mi_keylength */
+/*
+ Calculate length of part key.
+
+ Used in mi_rkey() to find the key found for the key-part that was used.
+ This is needed in case of multi-byte character sets where we may search
+ after '0xDF' but find 'ss'
+*/
+
+uint _mi_keylength_part(MI_KEYDEF *keyinfo, register uchar *key,
+ MI_KEYSEG *end)
+{
+ reg1 MI_KEYSEG *keyseg;
+ uchar *start= key;
+
+ for (keyseg=keyinfo->seg ; keyseg != end ; keyseg++)
+ {
+ if (keyseg->flag & HA_NULL_PART)
+ if (!*key++)
+ continue;
+ if (keyseg->flag & (HA_SPACE_PACK | HA_BLOB_PART | HA_VAR_LENGTH))
+ {
+ uint length;
+ get_key_length(length,key);
+ key+=length;
+ }
+ else
+ key+= keyseg->length;
+ }
+ return (uint) (key-start);
+}
+
/* Move a key */
uchar *_mi_move_key(MI_KEYDEF *keyinfo, uchar *to, uchar *from)