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strnxfrm() for simple and binary charsets fixes

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This commit is contained in:
unknown
2003-01-16 15:20:38 +04:00
parent 3604aa00a3
commit 80d2517412
3 changed files with 29 additions and 58 deletions
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38
sql/field.cc
View File

@ -3964,23 +3964,11 @@ int Field_string::cmp(const char *a_ptr, const char *b_ptr)
void Field_string::sort_string(char *to,uint length)
{
if (binary())
memcpy((byte*) to,(byte*) ptr,(size_t) length);
else
{
#ifdef USE_STRCOLL
if (use_strnxfrm(field_charset)) {
uint tmp=my_strnxfrm(field_charset,
uint tmp=my_strnxfrm(field_charset,
(unsigned char *)to, length,
(unsigned char *) ptr, field_length);
if (tmp < length)
bzero(to + tmp, length - tmp);
}
else
#endif
for (char *from=ptr,*end=ptr+length ; from != end ;)
*to++=(char) field_charset->sort_order[(uint) (uchar) *from++];
}
if (tmp < length)
bzero(to + tmp, length - tmp);
}
@ -4145,27 +4133,9 @@ int Field_varstring::cmp(const char *a_ptr, const char *b_ptr)
void Field_varstring::sort_string(char *to,uint length)
{
uint tot_length=uint2korr(ptr);
if (binary())
memcpy((byte*) to,(byte*) ptr+2,(size_t) tot_length);
else
{
#ifdef USE_STRCOLL
if (use_strnxfrm(field_charset))
tot_length=my_strnxfrm(field_charset,
tot_length=my_strnxfrm(field_charset,
(unsigned char *) to, length,
(unsigned char *)ptr+2, tot_length);
else
{
#endif
char *tmp=to;
if (tot_length > length)
tot_length=length;
for (char *from=ptr+2,*end=from+tot_length ; from != end ;)
*tmp++=(char) field_charset->sort_order[(uint) (uchar) *from++];
#ifdef USE_STRCOLL
}
#endif
}
if (tot_length < length)
bzero(to+tot_length,length-tot_length);
}

3
strings/ctype-simple.c
View File

@ -29,10 +29,11 @@ int my_strnxfrm_simple(CHARSET_INFO * cs,
const uchar *src, uint srclen)
{
uchar *map= cs->sort_order;
const uchar *end;
DBUG_ASSERT(len >= srclen);
len= min(len,srclen);
for ( ; len > 0 ; len-- )
for ( end=src+len; src < end ; )
*dest++= map[*src++];
return len;
}

46
strings/ctype.c
View File

@ -2823,7 +2823,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_8859_1, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -2869,7 +2869,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_cp1251, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -2914,7 +2914,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_cp1257, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -2959,7 +2959,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_8859_2, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3005,7 +3005,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_8859_1, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3050,7 +3050,7 @@ static CHARSET_INFO compiled_charsets[] = {
NULL, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3095,7 +3095,7 @@ static CHARSET_INFO compiled_charsets[] = {
NULL, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3140,7 +3140,7 @@ static CHARSET_INFO compiled_charsets[] = {
NULL, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3186,7 +3186,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_8859_1, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3231,7 +3231,7 @@ static CHARSET_INFO compiled_charsets[] = {
NULL, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3276,7 +3276,7 @@ static CHARSET_INFO compiled_charsets[] = {
NULL, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3321,7 +3321,7 @@ static CHARSET_INFO compiled_charsets[] = {
NULL, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3366,7 +3366,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_8859_2, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3411,7 +3411,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_koi8_r, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3456,7 +3456,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_koi8_u, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3502,7 +3502,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_8859_2, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3547,7 +3547,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_8859_9, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3593,7 +3593,7 @@ static CHARSET_INFO compiled_charsets[] = {
NULL, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3639,7 +3639,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_us_ascii, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3684,7 +3684,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_cp1250, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3729,7 +3729,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_cp1251, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3774,7 +3774,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_armscii_8, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */
@ -3819,7 +3819,7 @@ static CHARSET_INFO compiled_charsets[] = {
idx_uni_cp1251, /* tab_from_uni */
0, /* strxfrm_multiply */
my_strnncoll_simple,/* strnncoll */
NULL, /* strnxfrm */
my_strnxfrm_simple, /* strnxfrm */
my_like_range_simple,/* like_range */
my_wildcmp_8bit, /* wildcmp */
1, /* mbmaxlen */