Commit 8f823600 authored by unknown's avatar unknown
Browse files

Allow cp932 characters to be stored in a SJIS column

parent ffd77c46

mysql-test/r/ctype_sjis.result

+6 −0
Original line number Diff line number Diff line
@@ -41,3 +41,9 @@ C0C1C2C3C4C5C6C7C8C9CACBCCCDCECF 
select hex(CONVERT(@utf84 USING sjis));

hex(CONVERT(@utf84 USING sjis))

D0D1D2D3D4D5D6D7D8D9DADBDCDDDEDF

create table t1 (a char(10) character set sjis);

insert into t1 values (0x878A);

select hex(a) from t1;

hex(a)

878A

drop table t1;

mysql-test/t/ctype_sjis.test

+9 −0
Original line number Diff line number Diff line
@@ -32,3 +32,12 @@ select hex(CONVERT(@utf81 USING sjis)); 
select hex(CONVERT(@utf82 USING sjis));

select hex(CONVERT(@utf83 USING sjis));

select hex(CONVERT(@utf84 USING sjis));



#

# Allow to insert extra CP932 characters

# into a SJIS column

#

create table t1 (a char(10) character set sjis);

insert into t1 values (0x878A);

select hex(a) from t1;

drop table t1;

strings/ctype-sjis.c

+35 −1
Original line number Diff line number Diff line
@@ -4563,6 +4563,40 @@ uint my_numcells_sjis(CHARSET_INFO *cs __attribute__((unused)), 
  return clen;

}



/*

  Returns a well formed length of a SJIS string.

  CP932 additional characters are also accepted.

*/

static

uint my_well_formed_len_sjis(CHARSET_INFO *cs __attribute__((unused)),

                             const char *b, const char *e, uint pos)

{

  const char *b0= b;

  while (pos && b < e)

  {

    /*

      Cast to int8 for extra safety.

      "char" can be unsigned by default

      on some platforms.

    */

    if (((int8)b[0]) >= 0)

    {

      /* Single byte character */

      b+= 1;

    }

    else  if (issjishead((uchar)*b) && (e-b)>1 && issjistail((uchar)b[1]))

    {

      /* Double byte character */

      b+= 2;

    }

    else

    {

      /* Wrong byte sequence */

      break;

    }

  }

  return b - b0;

}





static MY_COLLATION_HANDLER my_collation_ci_handler =
@@ -4586,7 +4620,7 @@ static MY_CHARSET_HANDLER my_charset_handler= 
  mbcharlen_sjis,

  my_numchars_mb,

  my_charpos_mb,

  my_well_formed_len_mb,

  my_well_formed_len_sjis,

  my_lengthsp_8bit,

  my_numcells_sjis,

  my_mb_wc_sjis,	/* mb_wc */

strings/ctype-utf8.c

+7 −2
Original line number Diff line number Diff line
@@ -2127,7 +2127,12 @@ int my_strcasecmp_utf8(CHARSET_INFO *cs, const char *s, const char *t) 
  {

    my_wc_t s_wc,t_wc;

    

    if (s[0] >= 0)

    /*

      Cast to int8 for extra safety.

      char can be unsigned by default

      on some platforms.

    */

    if (((int8)s[0]) >= 0)

    {

      /* 

        s[0] is between 0 and 127.