X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=db-postgresql-socket%2Fpostgresql-socket-usql.lisp;fp=db-postgresql-socket%2Fpostgresql-socket-usql.lisp;h=3c134e262c54e96622442ed01e67e2f0fd6dfb7c;hb=43ec897ec7d84892fa59cc9b7858ce23d64a8a1a;hp=0000000000000000000000000000000000000000;hpb=5e89022823870e5f1b0a255016a8e48d6a9c53b2;p=clsql.git diff --git a/db-postgresql-socket/postgresql-socket-usql.lisp b/db-postgresql-socket/postgresql-socket-usql.lisp new file mode 100644 index 0000000..3c134e2 --- /dev/null +++ b/db-postgresql-socket/postgresql-socket-usql.lisp @@ -0,0 +1,160 @@ +;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*- +;;;; ************************************************************************* +;;;; FILE IDENTIFICATION +;;;; +;;;; Name: postgresql-socket-usql.sql +;;;; Purpose: PostgreSQL interface for USQL routines +;;;; Programmers: Kevin M. Rosenberg and onShore Development Inc +;;;; Date Started: Mar 2002 +;;;; +;;;; $Id: postgresql-socket-usql.lisp 7061 2003-09-07 06:34:45Z kevin $ +;;;; +;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg +;;;; and by onShore Development Inc. +;;;; +;;;; 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 #:clsql-postgresql-socket) + + +(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 USQL 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))) +|#