strnxfrm() for simple and binary charsets fixes

sql/field.cc

@@ -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);
 }

strings/ctype-simple.c

@@ -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;
 }

strings/ctype.c

@@ -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  */