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field.cc:

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strnxfrm for binary and simple charsets


sql/field.cc:
  strnxfrm for binary and simple charsets
This commit is contained in:
unknown 2003-01-16 15:52:37 +04:00
parent 80d2517412
commit df1a1075dd
1 changed files with 8 additions and 27 deletions
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35
sql/field.cc
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@ -4591,38 +4591,19 @@ void Field_blob::sort_string(char *to,uint length)
{
char *blob;
uint blob_length=get_length();
#ifdef USE_STRCOLL
uint blob_org_length=blob_length;
#endif
if (!blob_length)
bzero(to,length);
else
{
if (blob_length > length)
blob_length=length;
memcpy_fixed(&blob,ptr+packlength,sizeof(char*));
if (binary())
{
memcpy(to,blob,blob_length);
to+=blob_length;
}
else
{
#ifdef USE_STRCOLL
if (use_strnxfrm(field_charset))
{
blob_length=my_strnxfrm(field_charset,
(unsigned char *)to, length,
(unsigned char *)blob, blob_org_length);
if (blob_length >= length)
return;
to+=blob_length;
}
else
#endif
for (char *end=blob+blob_length ; blob != end ;)
*to++=(char) field_charset->sort_order[(uint) (uchar) *blob++];
}
blob_length=my_strnxfrm(field_charset,
(unsigned char *)to, length,
(unsigned char *)blob, blob_length);
if (blob_length >= length)
return;
to+=blob_length;
bzero(to,length-blob_length);
}
}