Re: postgresql v7.1.3 bug report

"pierre" <cti848(at)www(dot)textilenet(dot)org(dot)tw> writes:
> I make postgres 7.1.3 version in my linux system with --enable-multibyt=
> e=3DEUC_TW, but=20

> I got some problem when I exec sql command below, in chinese character=
> (CName ~* '=A6|'') the chicode is 0xA67C -> 0x7c is ascii '|" , I guess =
> you system reject '|' this byte, but it was Big5 Code 2nd byte , How can I =
> avoid this proble??

> SELECT * FROM ifabinstn Where((CName ~* '=A6|') OR FALSE) ORDER BY CName

> Warning: PostgreSQL query failed: ERROR: Invalid regular expression: empty =
> expression or subexpression in DB/pgsql.php on line 163
> ERROR: Invalid regular expression: empty expression or subexpression=20

I am thinking that p_ere's local "char c" (regcomp.c, about line 304 in
current sources) should have been declared "pg_wchar c". Tatsuo, what
do you think? Are there any other places in this file where char should
be pg_wchar?

regards, tom lane