BUG #3092: character varying and integer cannot be matched

The following bug has been logged online:

Bug reference:      3092
Logged by:          Andrew Rass
Email address:      net-flight@gmx.net
PostgreSQL version: 8.2.3
Operating system:   FreeBSD 6.2
Description:        character varying and integer cannot be matched
Details:

Hello the following problem has occured,

SELECT T055.MESOPRIM,T051.MESOPRIM FROM T055 T055,T051 T051
WHERE T055.MESOYEAR = 1278 AND T055.MESOCOMP = '1ZAP'
AND T051.MESOYEAR = 1278 AND T051.MESOCOMP = '1ZAP'
AND ( T055.C002 = T051.C001 AND T055.C004 IN (2,3)
AND lower(t051.c052)  LIKE '%frankfurt%' )ORDER BY T055.C002


ERROR: IN types character varying and integer cannot be matched
SQL Status:42804

mesoprim character varying(34);
mesoyear integer;
mesocomp character varying(4);
c002 character varying(20);
c001 character varying(20);

postgresql 7.4.7 did this
and now it did this problem like describe

thank you