;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
-;;;; Name: postgresql-socket-sql.sql
-;;;; Purpose: High-level PostgreSQL interface using socket
-;;;; Programmers: Kevin M. Rosenberg based on
-;;;; Original code by Pierre R. Mai
-;;;; Date Started: Feb 2002
+;;;; 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
;;;;
;;;; $Id$
;;;;
-;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
+;;;; This file, part of CLSQL, is Copyright (c) 2002-2004 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
;;;; (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-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
-(clsql-base-sys:database-type-load-foreign :postgresql-socket)
+(clsql-sys:database-type-load-foreign :postgresql-socket)
;; Field type conversion
(defun convert-to-clsql-warning (database condition)
- (warn 'clsql-database-warning :database database
- :message (postgresql-condition-message 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 'clsql-sql-error :database database
+ (error 'sql-database-data-error
+ :database database
:expression expression
- :errno (type-of condition)
- :error (postgresql-condition-message condition)))
+ :error-id (type-of condition)
+ :message (postgresql-condition-message condition)))
(defmacro with-postgresql-handlers
((database &optional expression)
(lambda (c)
(convert-to-clsql-error
,database-var ,expression-var c))))
- ;; KMR - removed double @@
,@body))))
(defmethod database-initialize-database-type ((database-type
(eql :postgresql-socket)))
t)
-(defclass postgresql-socket-database (database)
+(defclass postgresql-socket-database (generic-postgresql-database)
((connection :accessor database-connection :initarg :connection
:type postgresql-connection)))
(declare (ignore password options tty))
(concatenate 'string
(etypecase host
+ (null
+ "localhost")
(pathname (namestring host))
(string host))
(when port
(handler-case
(handler-bind ((postgresql-warning
(lambda (c)
- (warn 'clsql-simple-warning
+ (warn 'sql-warning
:format-control "~A"
:format-arguments
(list (princ-to-string c))))))
:password password))
(postgresql-error (c)
;; Connect failed
- (error 'clsql-connect-error
+ (error 'sql-connection-error
:database-type database-type
:connection-spec connection-spec
- :errno (type-of c)
- :error (postgresql-condition-message c)))
+ :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)))))
(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 field-names)
(let ((connection (database-connection database)))
(with-postgresql-handlers (database expression)
(start-query-execution connection expression)
(wait-for-query-results connection)
(unless (eq status :cursor)
(close-postgresql-connection connection)
- (error 'clsql-sql-error
+ (error 'sql-database-data-error
:database database
: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)
- while row
- collect row
- finally
- (unless (null (wait-for-query-results connection))
- (close-postgresql-connection connection)
- (error 'clsql-sql-error
- :database database
- :expression expression
- :errno 'multiple-results
- :error "Received multiple results for query.")))))))
+ :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))
(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)))))
+ (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))
+ ((null status)
+ t)
+ ((eq status :completed)
+ (unless (null (wait-for-query-results connection))
(close-postgresql-connection connection)
- (error 'clsql-sql-error
+ (error 'sql-database-data-error
:database database
:expression expression
- :errno 'multiple-results
- :error "Received multiple results for command."))
- result)
+ :error-id "multiple-results"
+ :message "Received multiple results for command."))
+ result)
(t
(close-postgresql-connection connection)
- (error 'clsql-sql-error
+ (error 'sql-database-data-error
:database database
:expression expression
- :errno 'missing-result
- :error "Didn't receive completion for command.")))))))
+ :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 (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)
(wait-for-query-results connection)
(unless (eq status :cursor)
(close-postgresql-connection connection)
- (error 'clsql-sql-error
+ (error 'sql-database-data-error
:database database
:expression expression
- :errno 'missing-result
- :error "Didn't receive result cursor for query."))
+ :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 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)))))
-
-
-;; Functions depending upon high-level CommonSQL classes/functions
-#|
-(defmethod database-output-sql ((expr clsql-sys::sql-typecast-exp)
- (database postgresql-socket-database))
- (with-slots (clsql-sys::modifier clsql-sys::components)
- expr
- (if clsql-sys::modifier
- (progn
- (clsql-sys::output-sql clsql-sys::components database)
- (write-char #\: clsql-sys::*sql-stream*)
- (write-char #\: clsql-sys::*sql-stream*)
- (write-string (symbol-name clsql-sys::modifier)
- clsql-sys::*sql-stream*)))))
-
-(defmethod database-output-sql-as-type ((type (eql 'integer)) val
- (database postgresql-socket-database))
- (when val ;; typecast it so it uses the indexes
- (make-instance 'clsql-sys::sql-typecast-exp
- :modifier 'int8
- :components val)))
-|#
-
-(when (clsql-base-sys:database-type-library-loaded :postgresql-socket)
- (clsql-base-sys:initialize-database-type :database-type :postgresql-socket))
+(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)))
+ (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))