Return-Path: owner-postman Received: from localhost.Berkeley.EDU (localhost.Berkeley.EDU [127.0.0.1]) by nobozo.CS.Berkeley.EDU (8.6.9/8.6.3) with SMTP id DAA19121 for postgres-redist; Tue, 29 Nov 1994 03:48:45 -0800 Resent-From: POSTGRES mailing list Resent-Message-Id: <199411291148.DAA19121@nobozo.CS.Berkeley.EDU> Sender: owner-postman@postgres.Berkeley.EDU X-Return-Path: owner-postman Received: from faerie.CS.Berkeley.EDU (faerie.CS.Berkeley.EDU [128.32.37.53]) by nobozo.CS.Berkeley.EDU (8.6.9/8.6.3) with ESMTP id DAA19111 for ; Tue, 29 Nov 1994 03:48:44 -0800 Received: from localhost.Berkeley.EDU (localhost.Berkeley.EDU [127.0.0.1]) by faerie.CS.Berkeley.EDU (8.6.9/8.1B) with SMTP id DAA19763; Tue, 29 Nov 1994 03:47:16 -0800 Message-Id: <199411291147.DAA19763@faerie.CS.Berkeley.EDU> X-Authentication-Warning: faerie.CS.Berkeley.EDU: Host localhost.Berkeley.EDU didn't use HELO protocol From: aoki@cs.berkeley.edu (Paul M. Aoki) To: gatto@dss.inpe.br (Gatto) Cc: postgres@postgres.Berkeley.EDU Subject: Re: bytea built-in type Reply-To: aoki@cs.berkeley.edu (Paul M. Aoki) In-reply-to: Your message of Tue, 29 Nov 94 09:21:37 EDT <9411291121.AA05008@dss.inpe.br> Date: Tue, 29 Nov 94 03:47:10 -0800 X-Sender: aoki@postgres.Berkeley.EDU Resent-To: postgres-redist@postgres.Berkeley.EDU X-Mts: smtp Resent-Date: Tue, 29 Nov 94 03:48:45 -0800 Resent-XMts: smtp gatto@dss.inpe.br (Gatto) writes: > I have class MSG with a bytea (variable length array of bytes) field, and > I need to add instances to it trough a C source code using LIBPQ functions. > This field can contain zero values, and I don't know how to build a query > string, to use in PQexec, that doesn't finish when a zero value occours in > some position (not the last) of this field. the base variable-length types (bytea, text) are implemented in src/backend/utils/adt/varlena.c. it looks like bytea takes constants of the form \xxx where xxx is an octal constant and must have exactly three digits. -- Paul M. Aoki | University of California at Berkeley aoki@CS.Berkeley.EDU | Dept. of EECS, Computer Science Division (#1776) | Berkeley, CA 94720-1776 ============================================================================== To add/remove yourself to/from the POSTGRES mailing list: send mail with the subject line ADD or DEL to "postgres-request@postgres.Berkeley.EDU". If this fails, send mail to "post_questions@postgres.Berkeley.EDU" and a human will deal with it. DO NOT post to the "postgres" mailing list. ============================================================================== URL: http://s2k-ftp.CS.Berkeley.EDU:8000/postgres/ [s2k-ftp is down with hardware problems. more news as it becomes available..]