+++ /dev/null
-;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
-;;;; *************************************************************************
-;;;; FILE IDENTIFICATION
-;;;;
-;;;; Name: postgresql-usql.sql
-;;;; Purpose: PostgreSQL interface for USQL routines
-;;;; Programmers: Kevin M. Rosenberg and onShore Development Inc
-;;;; Date Started: Mar 2002
-;;;;
-;;;; $Id: postgresql-usql.cl,v 1.1 2002/08/01 03:06:26 kevin Exp $
-;;;;
-;;;; 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.
-;;;; *************************************************************************
-
-(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
-(in-package :clsql-postgresql)
-
-(defmethod database-list-tables ((database postgresql-database)
- &key (system-tables nil))
- (let ((res (mapcar #'car (database-query
- "SELECT tablename FROM pg_tables"
- database nil))))
- (if (not system-tables)
- (remove-if #'(lambda (table)
- (equal (subseq table 0 3)
- "pg_")) res)
- res)))
-
-
-
-(defmethod database-list-attributes ((table string)
- (database postgresql-database))
- (let* ((result
- (mapcar #'car
- (database-query
- (format nil
- "SELECT attname FROM pg_class,pg_attribute WHERE pg_class.oid=attrelid AND relname='~A'" table)
- 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))
- (let ((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"
- table attribute)
- database nil))))
- (if result
- (intern (string-upcase (car result)) :keyword) nil)))
-
-
-(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-sequence-next (sequence-name
- (database postgresql-database))
- (parse-integer
- (caar
- (database-query
- (concatenate 'string "SELECT NEXTVAL ('" (sql-escape sequence-name) "')")
- database nil))))
-
-;; Functions depending upon high-level USQL 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)))
-|#