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-;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
-;;;; *************************************************************************
-;;;;
-;;;; $Id$
-;;;;
-;;;; Base SQL functions
-;;;;
-;;;; This file is part of CLSQL.
-;;;;
-;;;; 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-base)
-
-;;; Query
-
-(defgeneric query (query-expression &key database result-types flatp)
-  (:documentation
-   "Execute the SQL query expression QUERY-EXPRESSION on the given
-DATABASE which defaults to *default-database*. RESULT-TYPES is a list
-of symbols such as :string and :integer, one for each field in the
-query, which are used to specify the types to return. The FLATP
-argument, which has a default value of nil, specifies if full
-bracketed results should be returned for each matched entry. If FLATP
-is nil, the results are returned as a list of lists. If FLATP is t,
-the results are returned as elements of a list, only if there is only
-one result per row. Returns a list of lists of values of the result of
-that expression and a list of field names selected in sql-exp."))
-
-(defmethod query ((query-expression string) &key (database *default-database*)
-                  (result-types :auto) (flatp nil) (field-names t))
-  (record-sql-command query-expression database)
-  (multiple-value-bind (rows names) (database-query query-expression database result-types
-                                                    field-names)
-    (let ((result (if (and flatp (= 1 (length (car rows))))
-                      (mapcar #'car rows)
-                    rows)))
-      (record-sql-result result database)
-      (if field-names
-	  (values result names)
-	result))))
-
-;;; Execute
-
-(defgeneric execute-command (expression &key database)
-  (:documentation
-   "Executes the SQL command specified by EXPRESSION for the database
-specified by DATABASE, which has a default value of
-*DEFAULT-DATABASE*. The argument EXPRESSION may be any SQL statement
-other than a query. To run a stored procedure, pass an appropriate
-string. The call to the procedure needs to be wrapped in a BEGIN END
-pair."))
-
-(defmethod execute-command ((sql-expression string)
-                            &key (database *default-database*))
-  (record-sql-command sql-expression database)
-  (let ((res (database-execute-command sql-expression database)))
-    (record-sql-result res database))
-  (values))
-
-;;; Large objects support
-
-(defun create-large-object (&key (database *default-database*))
-  "Creates a new large object in the database and returns the object identifier"
-  (database-create-large-object database))
-
-(defun write-large-object (object-id data &key (database *default-database*))
-  "Writes data to the large object"
-  (database-write-large-object object-id data database))
-
-(defun read-large-object (object-id &key (database *default-database*))
-  "Reads the large object content"
-  (database-read-large-object object-id database))
-
-(defun delete-large-object (object-id &key (database *default-database*))
-  "Deletes the large object in the database"
-  (database-delete-large-object object-id database))
-