X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=db-postgresql%2Fpostgresql-sql.lisp;h=394c0d629d73865d5014dba2ed16aee930b4d13b;hb=02c30e92614a52c892cc678933586f71c76fcf30;hp=ac13a3054deb0e178d2e9a4a0af496e911f94041;hpb=cf0a1997b66f3e09e595c3c6fb04b08c0d2a4e61;p=clsql.git diff --git a/db-postgresql/postgresql-sql.lisp b/db-postgresql/postgresql-sql.lisp index ac13a30..394c0d6 100644 --- a/db-postgresql/postgresql-sql.lisp +++ b/db-postgresql/postgresql-sql.lisp @@ -4,14 +4,9 @@ ;;;; ;;;; Name: postgresql-sql.lisp ;;;; Purpose: High-level PostgreSQL interface using UFFI -;;;; Programmers: Kevin M. Rosenberg based on -;;;; Original code by Pierre R. Mai ;;;; Date Started: Feb 2002 ;;;; -;;;; $Id: postgresql-sql.lisp,v 1.3 2003/07/21 01:45:45 kevin Exp $ -;;;; -;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg -;;;; and Copyright (c) 1999-2001 by Pierre R. Mai +;;;; $Id$ ;;;; ;;;; CLSQL users are granted the rights to distribute and use this software ;;;; as governed by the terms of the Lisp Lesser GNU Public License @@ -221,7 +216,8 @@ (num-fields 0 :type integer) (tuple-index 0 :type integer)) -(defmethod database-query-result-set (query-expression (database postgresql-database) +(defmethod database-query-result-set ((query-expression string) + (database postgresql-database) &key full-set types) (let ((conn-ptr (database-conn-ptr database))) (declare (type pgsql-conn-def conn-ptr)) @@ -362,5 +358,146 @@ (defmethod database-delete-large-object (object-id (database postgresql-database)) (lo-unlink (database-conn-ptr database) object-id)) + +;;; Object listing + +(defmethod database-list-objects-of-type ((database postgresql-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-database) + &key (owner nil)) + (database-list-objects-of-type database "r" owner)) + +(defmethod database-list-views ((database postgresql-database) + &key (owner nil)) + (database-list-objects-of-type database "v" owner)) + +(defmethod database-list-indexes ((database postgresql-database) + &key (owner nil)) + (database-list-objects-of-type database "i" owner)) + +(defmethod database-list-attributes ((table string) + (database postgresql-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-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-database)) + (database-execute-command + (concatenate 'string "CREATE SEQUENCE " (sql-escape sequence-name)) + database)) + +(defmethod database-drop-sequence (sequence-name + (database postgresql-database)) + (database-execute-command + (concatenate 'string "DROP SEQUENCE " (sql-escape sequence-name)) database)) + +(defmethod database-list-sequences ((database postgresql-database) + &key (owner nil)) + (database-list-objects-of-type database "S" owner)) + +(defmethod database-set-sequence-position (name (position integer) + (database postgresql-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-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-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-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-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) (clsql-base-sys:initialize-database-type :database-type :postgresql))