1 ;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
2 ;;;; *************************************************************************
3 ;;;; FILE IDENTIFICATION
5 ;;;; Name: postgresql.cl
6 ;;;; Purpose: Low-level PostgreSQL interface using UFFI
7 ;;;; Programmers: Kevin M. Rosenberg based on
8 ;;;; Original code by Pierre R. Mai
9 ;;;; Date Started: Feb 2002
13 ;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
14 ;;;; and Copyright (c) 1999-2001 by Pierre R. Mai
16 ;;;; CLSQL users are granted the rights to distribute and use this software
17 ;;;; as governed by the terms of the Lisp Lesser GNU Public License
18 ;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
19 ;;;; *************************************************************************
21 (in-package #:postgresql)
24 ;;;; This file implements as little of the FFI bindings to the
25 ;;;; PostgreSQL client libraries as we could get away with.
26 ;;;; Especially all the PostgreSQL-specific goodies aren't there, and
27 ;;;; we just use void pointers where we can get away with it, which
28 ;;;; thanks to the design of the PostgreSQL client libraries is pretty
29 ;;;; much everywhere, in contrast to the MySQL client libraries for
36 (uffi:def-foreign-type pgsql-oid :unsigned-int)
38 (uffi:def-enum pgsql-conn-status-type
42 (uffi:def-enum pgsql-exec-status-type
52 (uffi:def-foreign-type pgsql-conn :pointer-void)
53 (uffi:def-foreign-type pgsql-result :pointer-void)
55 (uffi:def-type pgsql-conn-ptr :pointer-void)
57 (uffi:def-enum pgsql-ftype
65 ;;(declaim (inline PQsetdbLogin)) ;; causes compile error in LW 4.2.0
66 (uffi:def-function ("PQsetdbLogin" PQsetdbLogin)
75 :returning pgsql-conn)
77 (declaim (inline PQfinish))
78 (uffi:def-function ("PQfinish" PQfinish)
83 (declaim (inline PQstatus))
84 (uffi:def-function ("PQstatus" PQstatus)
87 :returning pgsql-conn-status-type)
89 (declaim (inline PQerrorMessage))
90 (uffi:def-function ("PQerrorMessage" PQerrorMessage)
95 (declaim (inline PQexec))
96 (uffi:def-function ("PQexec" PQexec)
100 :returning pgsql-result)
102 (declaim (inline PQresultStatus))
103 (uffi:def-function ("PQresultStatus" PQresultStatus)
106 :returning pgsql-exec-status-type)
108 (declaim (inline PQresultErrorMessage))
109 (uffi:def-function ("PQresultErrorMessage" PQresultErrorMessage)
114 (declaim (inline PQntuples))
115 (uffi:def-function ("PQntuples" PQntuples)
120 (declaim (inline PQnfields))
121 (uffi:def-function ("PQnfields" PQnfields)
126 (declaim (inline PQfname))
127 (uffi:def-function ("PQfname" PQfname)
133 (declaim (inline PQfnumber))
134 (uffi:def-function ("PQfnumber" PQfnumber)
136 (field-name :cstring))
140 (declaim (inline PQftype))
141 (uffi:def-function ("PQftype" PQftype)
145 :returning pgsql-oid)
147 (declaim (inline PQfsize))
148 (uffi:def-function ("PQfsize" PQfsize)
154 (declaim (inline PQcmdStatus))
155 (uffi:def-function ("PQcmdStatus" PQcmdStatus)
160 (declaim (inline PQoidStatus))
161 (uffi:def-function ("PQoidStatus" PQoidStatus)
166 (declaim (inline PQcmdTuples))
167 (uffi:def-function ("PQcmdTuples" PQcmdTuples)
172 (declaim (inline PQgetvalue))
173 (uffi:def-function ("PQgetvalue" PQgetvalue)
178 :returning (* :unsigned-char))
180 (declaim (inline PQgetlength))
181 (uffi:def-function ("PQgetlength" PQgetlength)
188 (declaim (inline PQgetisnull))
189 (uffi:def-function ("PQgetisnull" PQgetisnull)
196 (declaim (inline PQclear))
197 (uffi:def-function ("PQclear" PQclear)
202 (declaim (inline PQisBusy))
203 (uffi:def-function ("PQisBusy" PQisBusy)
209 ;;; Large objects support (MB)
211 (defconstant +INV_ARCHIVE+ 65536) ; fe-lobj.c
212 (defconstant +INV_WRITE+ 131072)
213 (defconstant +INV_READ+ 262144)
215 (declaim (inline lo-creat))
216 (uffi:def-function ("lo_creat" lo-create)
220 :returning pgsql-oid)
222 (declaim (inline lo-open))
223 (uffi:def-function ("lo_open" lo-open)
230 (declaim (inline lo-write))
231 (uffi:def-function ("lo_write" lo-write)
239 (declaim (inline lo-read))
240 (uffi:def-function ("lo_read" lo-read)
243 (data (* :unsigned-char))
248 (declaim (inline lo-lseek))
249 (uffi:def-function ("lo_lseek" lo-lseek)
257 (declaim (inline lo-close))
258 (uffi:def-function ("lo_close" lo-close)
264 (declaim (inline lo-unlink))
265 (uffi:def-function ("lo_unlink" lo-unlink)