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Fix BUG#10511: Wrong padding of UCS2 CHAR columns in

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ON UPDATE CASCADE


innobase/row/row0ins.c:
  Patch from Marko is applied
This commit is contained in:
unknown 2005-10-28 17:16:22 +04:00
parent 5e8515d9f2
commit 00a275e53c
1 changed files with 38 additions and 8 deletions
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46
innobase/row/row0ins.c
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@ -522,20 +522,50 @@ row_ins_cascade_calc_update_vec(
&& ufield->new_val.len
< dtype_get_fixed_size(type)) {
ulint cset;
ufield->new_val.data =
mem_heap_alloc(heap,
dtype_get_fixed_size(type));
ufield->new_val.len =
dtype_get_fixed_size(type);
ut_a(dtype_get_pad_char(type)
!= ULINT_UNDEFINED);
memset(ufield->new_val.data,
(byte)dtype_get_pad_char(type),
dtype_get_fixed_size(type));
ut_memcpy(ufield->new_val.data,
parent_ufield->new_val.data,
parent_ufield->new_val.len);
/* Handle UCS2 strings differently.
As no new collations will be
introduced in 4.1, we hardcode the
charset-collation codes here.
In 5.0, the logic is based on
mbminlen. */
cset = dtype_get_charset_coll(
dtype_get_prtype(type));
if (cset == 35/*ucs2_general_ci*/
|| cset == 90/*ucs2_bin*/
|| (cset >= 128/*ucs2_unicode_ci*/
&& cset <= 144
/*ucs2_persian_ci*/)) {
/* space=0x0020 */
ulint i;
for (i = 0;
i < ufield->new_val.len;
i += 2) {
mach_write_to_2(((byte*)
ufield->new_val.data)
+ i, 0x0020);
}
} else {
ut_a(dtype_get_pad_char(type)
!= ULINT_UNDEFINED);
memset(ufield->new_val.data,
(byte)dtype_get_pad_char(
type),
ufield->new_val.len);
}
memcpy(ufield->new_val.data,
parent_ufield->new_val.data,
parent_ufield->new_val.len);
}
ufield->extern_storage = FALSE;