/usr/share/common-lisp/source/clsql-postgresql-socket/db-postgresql-socket/postgresql-socket-sql.lisp is in cl-sql-postgresql-socket 6.7.0-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 | ;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
;;;; Name: postgresql-socket-sql.sql
;;;; Purpose: High-level PostgreSQL interface using socket
;;;; Authors: Kevin M. Rosenberg based on original code by Pierre R. Mai
;;;; Created: Feb 2002
;;;;
;;;; This file, part of CLSQL, is Copyright (c) 2002-2010 by Kevin M. Rosenberg
;;;; and Copyright (c) 1999-2001 by Pierre R. Mai
;;;;
;;;; CLSQL users are granted the rights to distribute and use this software
;;;; as governed by the terms of the Lisp Lesser GNU Public License
;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
;;;; *************************************************************************
(in-package #:cl-user)
(defpackage :clsql-postgresql-socket
(:use #:common-lisp #:clsql-sys #:postgresql-socket)
(:export #:postgresql-socket-database)
(:documentation "This is the CLSQL socket interface to PostgreSQL."))
(in-package #:clsql-postgresql-socket)
;; interface foreign library loading routines
(clsql-sys:database-type-load-foreign :postgresql-socket)
;; Field type conversion
(defun make-type-list-for-auto (cursor)
(let* ((fields (postgresql-cursor-fields cursor))
(num-fields (length fields))
(new-types '()))
(dotimes (i num-fields)
(declare (fixnum i))
(push (canonical-field-type fields i) new-types))
(nreverse new-types)))
(defun canonical-field-type (fields index)
"Extracts canonical field type from fields list"
(let ((oid (cadr (nth index fields))))
(case oid
((#.pgsql-ftype#bytea
#.pgsql-ftype#int2
#.pgsql-ftype#int4)
:int32)
(#.pgsql-ftype#int8
:int64)
((#.pgsql-ftype#float4
#.pgsql-ftype#float8)
:double)
(otherwise
t))))
(defun canonicalize-types (types cursor)
(if (null types)
nil
(let ((auto-list (make-type-list-for-auto cursor)))
(cond
((listp types)
(canonicalize-type-list types auto-list))
((eq types :auto)
auto-list)
(t
nil)))))
(defun canonicalize-type-list (types auto-list)
"Ensure a field type list meets expectations. Essentially if we get a
generic term for a type that our auto typer pulls a better type for,
use it instead"
(let ((length-types (length types)))
(loop for i from 0 below (length auto-list)
for auto = (nth i auto-list)
collect
(if (or (>= i length-types)
(member (nth i types) (list T :int :double)))
auto
(nth i types)))))
(defun convert-to-clsql-warning (database condition)
(ecase *backend-warning-behavior*
(:warn
(warn 'sql-database-warning :database database
:message (postgresql-condition-message condition)))
(:error
(error 'sql-database-error :database database
:message (format nil "Warning upgraded to error: ~A"
(postgresql-condition-message condition))))
((:ignore nil)
;; do nothing
)))
(defun convert-to-clsql-error (database expression condition)
(error 'sql-database-data-error
:database database
:expression expression
:error-id (type-of condition)
:message (postgresql-condition-message condition)))
(defmacro with-postgresql-handlers
((database &optional expression)
&body body)
(let ((database-var (gensym))
(expression-var (gensym)))
`(let ((,database-var ,database)
(,expression-var ,expression))
(handler-bind ((postgresql-warning
(lambda (c)
(convert-to-clsql-warning ,database-var c)))
(postgresql-error
(lambda (c)
(convert-to-clsql-error
,database-var ,expression-var c))))
,@body))))
(defmethod database-initialize-database-type ((database-type
(eql :postgresql-socket)))
t)
(defclass postgresql-socket-database (generic-postgresql-database)
((connection :accessor database-connection :initarg :connection
:type postgresql-connection)))
(defmethod database-type ((database postgresql-socket-database))
:postgresql-socket)
(defmethod database-name-from-spec (connection-spec
(database-type (eql :postgresql-socket)))
(check-connection-spec connection-spec database-type
(host db user password &optional port options tty))
(destructuring-bind (host db user password &optional port options tty)
connection-spec
(declare (ignore password options tty))
(concatenate 'string
(etypecase host
(null
"localhost")
(pathname (namestring host))
(string host))
(when port
(concatenate 'string
":"
(etypecase port
(integer (write-to-string port))
(string port))))
"/" db "/" user)))
(defmethod database-connect (connection-spec
(database-type (eql :postgresql-socket)))
(check-connection-spec connection-spec database-type
(host db user password &optional port options tty))
(destructuring-bind (host db user password &optional
(port +postgresql-server-default-port+)
(options "") (tty ""))
connection-spec
(handler-case
(handler-bind ((postgresql-warning
(lambda (c)
(warn 'sql-warning
:format-control "~A"
:format-arguments
(list (princ-to-string c))))))
(open-postgresql-connection :host host :port port
:options options :tty tty
:database db :user user
:password password))
(postgresql-error (c)
;; Connect failed
(error 'sql-connection-error
:database-type database-type
:connection-spec connection-spec
:error-id (type-of c)
:message (postgresql-condition-message c)))
(:no-error (connection)
;; Success, make instance
(make-instance 'postgresql-socket-database
:name (database-name-from-spec connection-spec
database-type)
:database-type :postgresql-socket
:connection-spec connection-spec
:connection connection)))))
(defmethod database-disconnect ((database postgresql-socket-database))
(close-postgresql-connection (database-connection database))
t)
(defmethod database-query (expression (database postgresql-socket-database) result-types field-names)
(let ((connection (database-connection database)))
(with-postgresql-handlers (database expression)
(start-query-execution connection expression)
(multiple-value-bind (status cursor)
(wait-for-query-results connection)
(unless (eq status :cursor)
(close-postgresql-connection connection)
(error 'sql-database-data-error
:database database
:expression expression
:error-id "missing-result"
:message "Didn't receive result cursor for query."))
(setq result-types (canonicalize-types result-types cursor))
(values
(loop for row = (read-cursor-row cursor result-types)
while row
collect row
finally
(unless (null (wait-for-query-results connection))
(close-postgresql-connection connection)
(error 'sql-database-data-error
:database database
:expression expression
:error-id "multiple-results"
:message "Received multiple results for query.")))
(when field-names
(mapcar #'car (postgresql-cursor-fields cursor))))))))
(defmethod database-execute-command
(expression (database postgresql-socket-database))
(let ((connection (database-connection database)))
(with-postgresql-handlers (database expression)
(start-query-execution connection expression)
(multiple-value-bind (status result)
(wait-for-query-results connection)
(when (eq status :cursor)
(loop
(multiple-value-bind (row stuff)
(skip-cursor-row result)
(unless row
(setq status :completed result stuff)
(return)))))
(cond
((null status)
t)
((eq status :completed)
(unless (null (wait-for-query-results connection))
(close-postgresql-connection connection)
(error 'sql-database-data-error
:database database
:expression expression
:error-id "multiple-results"
:message "Received multiple results for command."))
result)
(t
(close-postgresql-connection connection)
(error 'sql-database-data-error
:database database
:expression expression
:errno "missing-result"
:message "Didn't receive completion for command.")))))))
(defstruct postgresql-socket-result-set
(done nil)
(cursor nil)
(types nil))
(defmethod database-query-result-set ((expression string)
(database postgresql-socket-database)
&key full-set result-types)
(declare (ignore full-set))
(let ((connection (database-connection database)))
(with-postgresql-handlers (database expression)
(start-query-execution connection expression)
(multiple-value-bind (status cursor)
(wait-for-query-results connection)
(unless (eq status :cursor)
(close-postgresql-connection connection)
(error 'sql-database-data-error
:database database
:expression expression
:error-id "missing-result"
:message "Didn't receive result cursor for query."))
(values (make-postgresql-socket-result-set
:done nil
:cursor cursor
:types (canonicalize-types result-types cursor))
(length (postgresql-cursor-fields cursor)))))))
(defmethod database-dump-result-set (result-set
(database postgresql-socket-database))
(if (postgresql-socket-result-set-done result-set)
t
(with-postgresql-handlers (database)
(loop while (skip-cursor-row
(postgresql-socket-result-set-cursor result-set))
finally (setf (postgresql-socket-result-set-done result-set) t)))))
(defmethod database-store-next-row (result-set
(database postgresql-socket-database)
list)
(let ((cursor (postgresql-socket-result-set-cursor result-set)))
(with-postgresql-handlers (database)
(if (copy-cursor-row cursor
list
(postgresql-socket-result-set-types
result-set))
t
(prog1 nil
(setf (postgresql-socket-result-set-done result-set) t)
(wait-for-query-results (database-connection database)))))))
(defmethod database-create (connection-spec (type (eql :postgresql-socket)))
(destructuring-bind (host name user password &optional port options tty) connection-spec
(let ((database (database-connect (list host "postgres" user password)
type)))
(setf (slot-value database 'clsql-sys::state) :open)
(unwind-protect
(database-execute-command (format nil "create database ~A" name) database)
(database-disconnect database)))))
(defmethod database-destroy (connection-spec (type (eql :postgresql-socket)))
(destructuring-bind (host name user password &optional port optional tty) connection-spec
(let ((database (database-connect (list host "postgres" user password)
type)))
(setf (slot-value database 'clsql-sys::state) :open)
(unwind-protect
(database-execute-command (format nil "drop database ~A" name) database)
(database-disconnect database)))))
(defmethod database-probe (connection-spec (type (eql :postgresql-socket)))
(when (find (second connection-spec) (database-list connection-spec type)
:test #'string-equal)
t))
;; Database capabilities
(defmethod db-backend-has-create/destroy-db? ((db-type (eql :postgresql-socket)))
nil)
(defmethod db-type-has-fancy-math? ((db-type (eql :postgresql-socket)))
t)
(defmethod db-type-default-case ((db-type (eql :postgresql-socket)))
:lower)
(defmethod database-underlying-type ((database postgresql-socket-database))
:postgresql)
(when (clsql-sys:database-type-library-loaded :postgresql-socket)
(clsql-sys:initialize-database-type :database-type :postgresql-socket))
|