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Merge gbichot@bk-internal.mysql.com:/home/bk/mysql-4.1

Browse Source 
into mysql.com:/home/mysql_src/mysql-4.1-clean
This commit is contained in:
guilhem@mysql.com 2005-01-18 10:24:25 +01:00
commit 9569b0226f
7 changed files with 41 additions and 6 deletions
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2
myisam/mi_open.c
View File

@ -142,7 +142,7 @@ MI_INFO *mi_open(const char *name, int mode, uint open_flags)
goto err;
}
/* Don't call realpath() if the name can't be a link */
if (strcmp(name_buff, org_name) ||
if (!strcmp(name_buff, org_name) ||
my_readlink(index_name, org_name, MYF(0)) == -1)
(void) strmov(index_name, org_name);
(void) fn_format(data_name,org_name,"",MI_NAME_DEXT,2+4+16);

12
mysql-test/r/ctype_utf8.result
View File

@ -849,3 +849,15 @@ utf8_bin 6109
utf8_bin 61
utf8_bin 6120
drop table t1;
CREATE TABLE t1 (
user varchar(255) NOT NULL default ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('one'),('two');
SELECT CHARSET('a');
CHARSET('a')
utf8
SELECT user, CONCAT('<', user, '>') AS c FROM t1;
user c
one <one>
two <two>
DROP TABLE t1;

12
mysql-test/t/ctype_utf8.test
View File

@ -681,3 +681,15 @@ SET collation_connection='utf8_general_ci';
-- source include/ctype_filesort.inc
SET collation_connection='utf8_bin';
-- source include/ctype_filesort.inc
#
# Bug #7874 CONCAT() gives wrong results mixing
# latin1 field and utf8 string literals
#
CREATE TABLE t1 (
user varchar(255) NOT NULL default ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('one'),('two');
SELECT CHARSET('a');
SELECT user, CONCAT('<', user, '>') AS c FROM t1;
DROP TABLE t1;

9
mysys/my_symlink.c
View File

@ -26,9 +26,11 @@
/*
Reads the content of a symbolic link
If the file is not a symbolic link, return the original file name in to.
Returns: 0 if table was a symlink,
1 if table was a normal file
-1 on error.
RETURN
0 If filename was a symlink, (to will be set to value of symlink)
1 If filename was a normal file (to will be set to filename)
-1 on error.
*/
int my_readlink(char *to, const char *filename, myf MyFlags)
@ -58,6 +60,7 @@ int my_readlink(char *to, const char *filename, myf MyFlags)
}
else
to[length]=0;
DBUG_PRINT("exit" ,("result: %d", result));
DBUG_RETURN(result);
#endif /* HAVE_READLINK */
}

3
sql/filesort.cc
View File

@ -809,7 +809,10 @@ int merge_many_buff(SORTPARAM *param, uchar *sort_buffer,
}
close_cached_file(to_file); // This holds old result
if (to_file == t_file)
{
*t_file=t_file2; // Copy result file
setup_io_cache(t_file);
}
DBUG_RETURN(*maxbuffer >= MERGEBUFF2); /* Return 1 if interrupted */
} /* merge_many_buff */

3
sql/item_strfunc.cc
View File

@ -275,7 +275,8 @@ String *Item_func_concat::val_str(String *str)
current_thd->variables.max_allowed_packet);
goto null;
}
if (res->alloced_length() >= res->length()+res2->length())
if (!args[0]->const_item() &&
res->alloced_length() >= res->length()+res2->length())
{ // Use old buffer
res->append(*res2);
}

6
sql/sql_yacc.yy
View File

@ -4008,7 +4008,8 @@ insert:
{
LEX *lex= Lex;
lex->sql_command= SQLCOM_INSERT;
lex->duplicates= DUP_ERROR;
lex->duplicates= DUP_ERROR;
mysql_init_select(lex);
/* for subselects */
lex->lock_option= (using_update_log) ? TL_READ_NO_INSERT : TL_READ;
lex->select_lex.resolve_mode= SELECT_LEX::INSERT_MODE;
@ -4028,6 +4029,7 @@ replace:
LEX *lex=Lex;
lex->sql_command = SQLCOM_REPLACE;
lex->duplicates= DUP_REPLACE;
mysql_init_select(lex);
lex->select_lex.resolve_mode= SELECT_LEX::INSERT_MODE;
}
replace_lock_option insert2
@ -4229,6 +4231,7 @@ delete:
{
LEX *lex= Lex;
lex->sql_command= SQLCOM_DELETE;
mysql_init_select(lex);
lex->lock_option= lex->thd->update_lock_default;
lex->ignore= 0;
lex->select_lex.init_order();
@ -5321,6 +5324,7 @@ set:
{
LEX *lex=Lex;
lex->sql_command= SQLCOM_SET_OPTION;
mysql_init_select(lex);
lex->option_type=OPT_SESSION;
lex->var_list.empty();
lex->one_shot_set= 0;