X-Git-Url: http://git.kpe.io/?p=clsql.git;a=blobdiff_plain;f=db-postgresql-socket%2Fpostgresql-socket-sql.lisp;h=46e82ce928c64140be4ae54cd8e846eb74beed62;hp=9a2f02d04b60d843defdbae8ba9b298c8bc3c8e7;hb=e622ee6f4bf2b9fe81af59d566e651c983a4833b;hpb=e5744a78271044484b3399d4fc1d55b3e8808784 diff --git a/db-postgresql-socket/postgresql-socket-sql.lisp b/db-postgresql-socket/postgresql-socket-sql.lisp index 9a2f02d..46e82ce 100644 --- a/db-postgresql-socket/postgresql-socket-sql.lisp +++ b/db-postgresql-socket/postgresql-socket-sql.lisp @@ -2,15 +2,14 @@ ;;;; ************************************************************************* ;;;; 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 @@ -21,7 +20,7 @@ (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.")) @@ -30,7 +29,7 @@ ;; 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 @@ -105,14 +104,24 @@ doesn't depend on UFFI." (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) @@ -128,14 +137,13 @@ doesn't depend on UFFI." (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))) @@ -174,7 +182,7 @@ doesn't depend on UFFI." (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)))))) @@ -184,16 +192,17 @@ doesn't depend on UFFI." :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))))) @@ -201,7 +210,7 @@ doesn't depend on UFFI." (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) @@ -209,23 +218,26 @@ doesn't depend on UFFI." (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)) @@ -236,30 +248,30 @@ doesn't depend on UFFI." (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) @@ -277,11 +289,11 @@ doesn't depend on UFFI." (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 @@ -311,147 +323,42 @@ doesn't depend on UFFI." (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))) - (error 'clsql-access-error - :connection-spec connection-spec - :database-type type - :error "Unable to create databases on a socket connection.")) + (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))) - (error 'clsql-access-error - :connection-spec connection-spec - :database-type type - :error "Unable to create databases on a socket connection.")) - -(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) + (execute-command (format nil "drop database ~A" name)) (database-disconnect database))))) -(when (clsql-base-sys:database-type-library-loaded :postgresql-socket) - (clsql-base-sys:initialize-database-type :database-type :postgresql-socket)) + +(defmethod database-probe (connection-spec (type (eql :postgresql-socket))) + (when (find (second connection-spec) (database-list connection-spec type) + :key #'car :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))