;;;; *************************************************************************
;;;; 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
(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."))
;; 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)))
(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
(close-postgresql-connection (database-connection database))
t)
-(defmethod database-query (expression (database postgresql-socket-database) result-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."))
+ :error-id "missing-result"
+ :message "Didn't receive result cursor for query."))
(setq result-types (canonicalize-types result-types cursor))
- (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 'clsql-sql-error
- :database database
- :expression expression
- :errno 'multiple-results
- :error "Received multiple results for query.")))))))
+ (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)
(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
(setf (postgresql-socket-result-set-done result-set) t)
(wait-for-query-results (database-connection database)))))))
-;;; Object listing
-
-(defun owner-clause (owner)
- (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 "")))
-
-(defmethod database-list-objects-of-type ((database postgresql-socket-database)
- type owner)
- (mapcar #'car
- (database-query
- (format nil
- "SELECT relname FROM pg_class WHERE (relkind = '~A')~A"
- type
- (owner-clause owner))
- 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-table-indexes (table
- (database postgresql-socket-database)
- &key (owner nil))
- (let ((indexrelids
- (database-query
- (format
- nil
- "select indexrelid from pg_index where indrelid=(select relfilenode from pg_class where relname='~A'~A)"
- (string-downcase table)
- (owner-clause owner))
- database :auto))
- (result nil))
- (dolist (indexrelid indexrelids (nreverse result))
- (push
- (caar (database-query
- (format nil "select relname from pg_class where relfilenode='~A'"
- (car indexrelid))
- database
- nil))
- result))))
-
-(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)
:key #'car :test #'string-equal)
t))
-(defmethod database-list (connection-spec (type (eql :postgresql-socket)))
- (destructuring-bind (host name user password) connection-spec
- (declare (ignore name))
- (let ((database (database-connect (list host "template1" user password)
- type)))
- (unwind-protect
- (progn
- (setf (slot-value database 'clsql-base-sys::state) :open)
- (mapcar #'car (database-query "select datname from pg_database"
- database :auto)))
- (progn
- (database-disconnect database)
- (setf (slot-value database 'clsql-base-sys::state) :closed))))))
-
-(defmethod database-describe-table ((database postgresql-socket-database)
- table)
- (database-query
- (format nil "select a.attname, t.typname
- from pg_class c, pg_attribute a, pg_type t
- where c.relname = '~a'
- and a.attnum > 0
- and a.attrelid = c.oid
- and a.atttypid = t.oid"
- (sql-escape (string-downcase table)))
- database :auto))
-
;; Database capabilities
(defmethod db-type-has-fancy-math? ((db-type (eql :postgresql-socket)))
t)
-(defmethod db-type-default-case ((db-type (eql :postgresql)))
+(defmethod db-type-default-case ((db-type (eql :postgresql-socket)))
:lower)
-(when (clsql-base-sys:database-type-library-loaded :postgresql-socket)
- (clsql-base-sys:initialize-database-type :database-type :postgresql-socket))
+(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))
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