database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2026-01-06 05:22:24 +03:00
Code Activity

UCS2 support in ENUM and SET, which also fixes:

Browse Source 
Bug #5174 SHOW CREATE TABLE hangs up if the table contains half-with katakana enum values
UCS2 values are stored in HEX encoding in FRM file
This commit is contained in:
bar@mysql.com
2004-12-06 20:45:32 +04:00
parent 878dd8ba0a
commit 248a968581
8 changed files with 170 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
sql/strfunc.cc
View File

@@ -53,8 +53,22 @@ ulonglong find_set(TYPELIB *lib, const char *str, uint length, CHARSET_INFO *cs,
{
const char *pos= start;
uint var_len;
int mblen= 1;
for (; pos != end && *pos != field_separator; pos++) ;
if (cs && cs->mbminlen > 1)
{
for ( ; pos < end; pos+= mblen)
{
my_wc_t wc;
if ((mblen= cs->cset->mb_wc(cs, &wc, (const uchar *) pos,
(const uchar *) end)) < 1)
mblen= 1; // Not to hang on a wrong multibyte sequence
if (wc == (my_wc_t) field_separator)
break;
}
}
else
for (; pos != end && *pos != field_separator; pos++) ;
var_len= (uint) (pos - start);
uint find= cs ? find_type2(lib, start, var_len, cs) :
find_type(lib, start, var_len, (bool) 0);
@@ -66,9 +80,9 @@ ulonglong find_set(TYPELIB *lib, const char *str, uint length, CHARSET_INFO *cs,
}
else
found|= ((longlong) 1 << (find - 1));
if (pos == end)
if (pos >= end)
break;
start= pos + 1;
start= pos + mblen;
}
}
return found;