;;;; Original code by Pierre R. Mai
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: postgresql-socket-sql.lisp,v 1.3 2003/08/31 08:22:16 kevin Exp $
+;;;; $Id$
;;;;
;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;; and Copyright (c) 1999-2001 by Pierre R. Mai
;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
;;;; *************************************************************************
-(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
-(in-package :cl-user)
+(in-package #:cl-user)
(defpackage :clsql-postgresql-socket
- (:use :common-lisp :clsql-base-sys :postgresql-socket)
+ (:use #:common-lisp #:clsql-base-sys #:postgresql-socket)
(:export #:postgresql-socket-database)
(:documentation "This is the CLSQL socket interface to PostgreSQL."))
-(in-package :clsql-postgresql-socket)
+(in-package #:clsql-postgresql-socket)
;; interface foreign library loading routines
(declare (ignore password options tty))
(concatenate 'string
(etypecase host
+ (null
+ "localhost")
(pathname (namestring host))
(string host))
(when port
- (concatenate ":"
- (etypecase port
- (integer (write-to-string port))
- (string port))))
+ (concatenate 'string
+ ":"
+ (etypecase port
+ (integer (write-to-string port))
+ (string port))))
"/" db "/" user)))
(defmethod database-connect (connection-spec
(close-postgresql-connection (database-connection database))
t)
-(defmethod database-query (expression (database postgresql-socket-database) types)
+(defmethod database-query (expression (database postgresql-socket-database) result-types)
(let ((connection (database-connection database)))
(with-postgresql-handlers (database expression)
(start-query-execution connection expression)
:expression expression
:errno 'missing-result
:error "Didn't receive result cursor for query."))
- (setq types (canonicalize-types types cursor))
- (loop for row = (read-cursor-row cursor types)
+ (setq result-types (canonicalize-types result-types cursor))
+ (loop for row = (read-cursor-row cursor result-types)
while row
collect row
finally
(cursor nil)
(types nil))
-(defmethod database-query-result-set (expression (database postgresql-socket-database)
- &key full-set types
- )
+(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)
(values (make-postgresql-socket-result-set
:done nil
:cursor cursor
- :types (canonicalize-types types cursor))
+ :types (canonicalize-types result-types cursor))
(length (postgresql-cursor-fields cursor)))))))
(defmethod database-dump-result-set (result-set
(setf (postgresql-socket-result-set-done result-set) t)
(wait-for-query-results (database-connection database)))))))
+;;; Object listing
+
+(defmethod database-list-objects-of-type ((database postgresql-socket-database)
+ type owner)
+ (let ((owner-clause
+ (cond ((stringp owner)
+ (format nil " AND (relowner=(SELECT usesysid FROM pg_user WHERE (usename='~A')))" owner))
+ ((null owner)
+ (format nil " AND (NOT (relowner=1))"))
+ (t ""))))
+ (mapcar #'car
+ (database-query
+ (format nil
+ "SELECT relname FROM pg_class WHERE (relkind = '~A')~A"
+ type
+ owner-clause)
+ database nil))))
+
+(defmethod database-list-tables ((database postgresql-socket-database)
+ &key (owner nil))
+ (database-list-objects-of-type database "r" owner))
+
+(defmethod database-list-views ((database postgresql-socket-database)
+ &key (owner nil))
+ (database-list-objects-of-type database "v" owner))
+
+(defmethod database-list-indexes ((database postgresql-socket-database)
+ &key (owner nil))
+ (database-list-objects-of-type database "i" owner))
+
+(defmethod database-list-attributes ((table string)
+ (database postgresql-socket-database)
+ &key (owner nil))
+ (let* ((owner-clause
+ (cond ((stringp owner)
+ (format nil " AND (relowner=(SELECT usesysid FROM pg_user WHERE usename='~A'))" owner))
+ ((null owner) " AND (not (relowner=1))")
+ (t "")))
+ (result
+ (mapcar #'car
+ (database-query
+ (format nil "SELECT attname FROM pg_class,pg_attribute WHERE pg_class.oid=attrelid AND relname='~A'~A"
+ (string-downcase table)
+ owner-clause)
+ database nil))))
+ (if result
+ (reverse
+ (remove-if #'(lambda (it) (member it '("cmin"
+ "cmax"
+ "xmax"
+ "xmin"
+ "oid"
+ "ctid"
+ ;; kmr -- added tableoid
+ "tableoid") :test #'equal))
+ result)))))
+
+(defmethod database-attribute-type (attribute (table string)
+ (database postgresql-socket-database)
+ &key (owner nil))
+ (let* ((owner-clause
+ (cond ((stringp owner)
+ (format nil " AND (relowner=(SELECT usesysid FROM pg_user WHERE usename='~A'))" owner))
+ ((null owner) " AND (not (relowner=1))")
+ (t "")))
+ (result
+ (mapcar #'car
+ (database-query
+ (format nil "SELECT pg_type.typname FROM pg_type,pg_class,pg_attribute WHERE pg_class.oid=pg_attribute.attrelid AND pg_class.relname='~A' AND pg_attribute.attname='~A' AND pg_attribute.atttypid=pg_type.oid~A"
+ (string-downcase table)
+ (string-downcase attribute)
+ owner-clause)
+ database nil))))
+ (when result
+ (intern (string-upcase (car result)) :keyword))))
+
+(defmethod database-create-sequence (sequence-name
+ (database postgresql-socket-database))
+ (database-execute-command
+ (concatenate 'string "CREATE SEQUENCE " (sql-escape sequence-name))
+ database))
+
+(defmethod database-drop-sequence (sequence-name
+ (database postgresql-socket-database))
+ (database-execute-command
+ (concatenate 'string "DROP SEQUENCE " (sql-escape sequence-name)) database))
+
+(defmethod database-list-sequences ((database postgresql-socket-database)
+ &key (owner nil))
+ (database-list-objects-of-type database "S" owner))
+
+(defmethod database-set-sequence-position (name (position integer)
+ (database postgresql-socket-database))
+ (values
+ (parse-integer
+ (caar
+ (database-query
+ (format nil "SELECT SETVAL ('~A', ~A)" name position)
+ database nil)))))
+
+(defmethod database-sequence-next (sequence-name
+ (database postgresql-socket-database))
+ (values
+ (parse-integer
+ (caar
+ (database-query
+ (concatenate 'string "SELECT NEXTVAL ('" (sql-escape sequence-name) "')")
+ database nil)))))
+
+(defmethod database-sequence-last (sequence-name (database postgresql-socket-database))
+ (values
+ (parse-integer
+ (caar
+ (database-query
+ (concatenate 'string "SELECT LAST_VALUE ('" sequence-name "')")
+ database nil)))))
+
+
+(defmethod database-create (connection-spec (type (eql :postgresql-socket)))
+ (destructuring-bind (host name user password) connection-spec
+ (let ((database (database-connect (list host "template1" user password)
+ type)))
+ (unwind-protect
+ (execute-command (format nil "create database ~A" name))
+ (database-disconnect database)))))
+
+(defmethod database-destroy (connection-spec (type (eql :postgresql-socket)))
+ (destructuring-bind (host name user password) connection-spec
+ (let ((database (database-connect (list host "template1" user password)
+ type)))
+ (unwind-protect
+ (execute-command (format nil "drop database ~A" name))
+ (database-disconnect database)))))
+
+(defmethod database-probe (connection-spec (type (eql :postgresql-socket)))
+ (destructuring-bind (host name user password) connection-spec
+ (let ((database (database-connect (list host "template1" user password)
+ type)))
+ (unwind-protect
+ (when
+ (find name (database-query "select datname from pg_database"
+ database :auto)
+ :key #'car :test #'string-equal)
+ t)
+ (database-disconnect database)))))
+
(when (clsql-base-sys:database-type-library-loaded :postgresql-socket)
(clsql-base-sys:initialize-database-type :database-type :postgresql-socket))
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