Bug #869: varchar 's comparision - Mailing list pgsql-bugs

From pgsql-bugs@postgresql.org
Subject Bug #869: varchar 's comparision
Date
Msg-id 20030110032404.D7CE4475D17@postgresql.org
Whole thread Raw
Responses Re: Bug #869: varchar 's comparision  (Stephan Szabo <sszabo@megazone23.bigpanda.com>)
Re: Bug #869: varchar 's comparision  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-bugs
trainee (trainee12@yeah.net) reports a bug with a severity of 2
The lower the number the more severe it is.

Short Description
varchar 's comparision

Long Description
SERVER:  PGSQL 7.31 + MANDRAKE LINUX 8.1
CLIENT:  VISIVAL FOXPRO 7.0 + PGSQLODBC 7.02

TABLE :    MYTABLE
       M_ID      VARCHAR(10)         M_DESC    VARCHAR(10)
    -----------------------------------------------------------
       ABC                           HELLO

I create a romate view in vfp, when I modify "m_desc" from "HELLO"
TO "GOOD" ,and update table, vfp trigger a error "UPDATE CONFLICT".

In odbc-log: (THIS SQL SYNTAX IS GENERATED BY VFP )
---------------------------------------------------------------
UPDATE MYTABLE SET M_DESC='GOOD' WHERE M_ID='ABC       ' AND M_DESC='HELLO     '

UPDATE 0 RECORDS
----------------------------------------------------------------
no record be updated, so VFP trigger a error "UPDATE CONFLICT"

But if you execute SQL  manually
---------------------------------------------------------
UPDATE MYTABLE SET M_DESC='GOOD' WHERE M_ID='ABC' AND M_DESC='HELLO'

UPDATE 1 RECORDS
---------------------------------------------------------

HOW CAN I DO?
THANKS


Sample Code


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