;;;; Purpose: Low-level ODBC API using UFFI
;;;; Authors: Kevin M. Rosenberg and Paul Meurer
;;;;
-;;;; $Id: odbc-package.lisp 7061 2003-09-07 06:34:45Z kevin $
+;;;; $Id$
;;;;
;;;; This file, part of CLSQL, is Copyright (c) 2004 by Kevin M. Rosenberg
;;;; and Copyright (C) Paul Meurer 1999 - 2001. All rights reserved.
(with-foreign-object (phenv 'sql-handle)
(with-error-handling
()
- (SQLAllocEnv phenv)
+ (SQLAllocHandle $SQL_HANDLE_ENV +null-handle-ptr+ phenv)
(deref-pointer phenv 'sql-handle)))))
- (%set-attr-odbc-version henv $SQL_OV_ODBC2)
+ (%set-attr-odbc-version henv $SQL_OV_ODBC3)
henv))
(defun %new-db-connection-handle (henv)
(with-foreign-object (phdbc 'sql-handle)
+ (setf (deref-pointer phdbc 'sql-handle) +null-handle-ptr+)
(with-error-handling
(:henv henv)
- (SQLAllocConnect henv phdbc)
+ (SQLAllocHandle $SQL_HANDLE_DBC henv phdbc)
(deref-pointer phdbc 'sql-handle))))
(defun %free-statement (hstmt option)
(SQLConnect hdbc server-ptr $SQL_NTS uid-ptr
$SQL_NTS pwd-ptr $SQL_NTS))))
+(defun %sql-driver-connect (hdbc connection-string completion window-handle)
+ (with-cstring (connection-ptr connection-string)
+ (let ((completed-connection-string (allocate-foreign-string $SQL_MAX_CONN_OUT)))
+ (unwind-protect
+ (with-foreign-object (completed-connection-length :short)
+ (with-error-handling
+ (:hdbc hdbc)
+ (SQLDriverConnect hdbc
+ window-handle
+ connection-ptr $SQL_NTS
+ completed-connection-string $SQL_MAX_CONN_OUT
+ completed-connection-length
+ completion)))
+ (free-foreign-object completed-connection-string)))))
(defun %disconnect (hdbc)
(with-error-handling
(defun %new-statement-handle (hdbc)
(let ((statement-handle
- (with-foreign-object (hstmt-ptr 'sql-handle)
+ (with-foreign-object (phstmt 'sql-handle)
(with-error-handling
(:hdbc hdbc)
- (SQLAllocStmt hdbc hstmt-ptr)
- (deref-pointer hstmt-ptr 'sql-handle)))))
+ (SQLAllocHandle $SQL_HANDLE_STMT hdbc phstmt)
+ (deref-pointer phstmt 'sql-handle)))))
(if (uffi:null-pointer-p statement-handle)
(error 'clsql:sql-database-error :message "Received null statement handle.")
statement-handle)))
(defun sql-to-c-type (sql-type)
(ecase sql-type
((#.$SQL_CHAR #.$SQL_VARCHAR #.$SQL_LONGVARCHAR
- #.$SQL_NUMERIC #.$SQL_DECIMAL #.$SQL_BIGINT -8 -9) $SQL_C_CHAR)
+ #.$SQL_NUMERIC #.$SQL_DECIMAL #.$SQL_BIGINT -8 -9 -10) $SQL_C_CHAR) ;; Added -10 for MSSQL ntext type
(#.$SQL_INTEGER $SQL_C_SLONG)
(#.$SQL_SMALLINT $SQL_C_SSHORT)
(#.$SQL_DOUBLE $SQL_C_DOUBLE)
(#.$SQL_DATE $SQL_C_DATE)
(#.$SQL_TIME $SQL_C_TIME)
(#.$SQL_TIMESTAMP $SQL_C_TIMESTAMP)
+ (#.$SQL_TYPE_DATE $SQL_C_TYPE_DATE)
+ (#.$SQL_TYPE_TIME $SQL_C_TYPE_TIME)
+ (#.$SQL_TYPE_TIMESTAMP $SQL_C_TYPE_TIMESTAMP)
((#.$SQL_BINARY #.$SQL_VARBINARY #.$SQL_LONGVARBINARY) $SQL_C_BINARY)
(#.$SQL_TINYINT $SQL_C_STINYINT)
(#.$SQL_BIT $SQL_C_BIT)))
-(def-type byte-pointer-type '(* :byte))
-(def-type short-pointer-type '(* :short))
-(def-type int-pointer-type '(* :int))
-(def-type long-pointer-type '(* #.$ODBC-LONG-TYPE))
-(def-type float-pointer-type '(* :float))
-(def-type double-pointer-type '(* :double))
-(def-type string-pointer-type '(* :unsigned-char))
+(def-type byte-pointer-type (* :byte))
+(def-type short-pointer-type (* :short))
+(def-type int-pointer-type (* :int))
+(def-type long-pointer-type (* #.$ODBC-LONG-TYPE))
+(def-type float-pointer-type (* :float))
+(def-type double-pointer-type (* :double))
+(def-type string-pointer-type (* :unsigned-char))
(defun get-cast-byte (ptr)
(locally (declare (type byte-pointer-type ptr))
(#.$SQL_INTEGER (get-cast-int data-ptr))
(#.$SQL_BIGINT (read-from-string
(get-cast-foreign-string data-ptr)))
- (#.$SQL_TINYINT (get-cast-byte data-ptr))
(#.$SQL_DECIMAL
(let ((*read-base* 10))
(read-from-string (get-cast-foreign-string data-ptr))))
(t
(case c-type
- (#.$SQL_C_DATE
+ ((#.$SQL_C_DATE #.$SQL_C_TYPE_DATE)
(funcall *time-conversion-function* (date-to-universal-time data-ptr)))
- (#.$SQL_C_TIME
+ ((#.$SQL_C_TIME #.$SQL_C_TYPE_TIME)
(multiple-value-bind (universal-time frac) (time-to-universal-time data-ptr)
(funcall *time-conversion-function* universal-time frac)))
- (#.$SQL_C_TIMESTAMP
+ ((#.$SQL_C_TIMESTAMP #.$SQL_C_TYPE_TIMESTAMP)
(multiple-value-bind (universal-time frac) (timestamp-to-universal-time data-ptr)
(funcall *time-conversion-function* universal-time frac)))
(#.$SQL_INTEGER
(data-ptr
(case c-type ;; add more?
(#.$SQL_C_SLONG (uffi:allocate-foreign-object #.$ODBC-LONG-TYPE))
- (#.$SQL_C_DATE (allocate-foreign-object 'sql-c-date))
- (#.$SQL_C_TIME (allocate-foreign-object 'sql-c-time))
- (#.$SQL_C_TIMESTAMP (allocate-foreign-object 'sql-c-timestamp))
+ ((#.$SQL_C_DATE #.$SQL_C_TYPE_DATE) (allocate-foreign-object 'sql-c-date))
+ ((#.$SQL_C_TIME #.$SQL_C_TYPE_TIME) (allocate-foreign-object 'sql-c-time))
+ ((#.$SQL_C_TIMESTAMP #.$SQL_C_TYPE_TIMESTAMP) (allocate-foreign-object 'sql-c-timestamp))
(#.$SQL_C_FLOAT (uffi:allocate-foreign-object :float))
(#.$SQL_C_DOUBLE (uffi:allocate-foreign-object :double))
(#.$SQL_C_BIT (uffi:allocate-foreign-object :byte))
(defun read-data-in-chunks (hstmt column-nr data-ptr c-type sql-type
out-len-ptr result-type)
- (declare (type long-ptr-type out-len-ptr))
+ (declare (type long-ptr-type out-len-ptr)
+ (ignore result-type))
(let* ((res (%sql-get-data hstmt column-nr c-type data-ptr
+max-precision+ out-len-ptr))
(out-len (deref-pointer out-len-ptr #.$ODBC-LONG-TYPE))
- (offset 0))
- (case out-len
- (#.$SQL_NULL_DATA
- (return-from read-data-in-chunks *null*))
- (#.$SQL_NO_TOTAL ;; don't know how long it is going to be
- (let ((str (make-array 0 :element-type 'character :adjustable t)))
- (loop do (if (= c-type #.$SQL_CHAR)
- (let ((data-length (foreign-string-length data-ptr)))
- (adjust-array str (+ offset data-length)
- :initial-element #\?)
- (setf offset (%cstring-into-vector
- data-ptr str
- offset
- data-length)))
- (error 'clsql:sql-database-error :message "wrong type. preliminary."))
- while (and (= res $SQL_SUCCESS_WITH_INFO)
- (equal (sql-state +null-handle-ptr+ +null-handle-ptr+ hstmt)
- "01004"))
- do (setf res (%sql-get-data hstmt column-nr c-type data-ptr
- +max-precision+ out-len-ptr)))
- (setf str (coerce str 'string))
- (if (= sql-type $SQL_DECIMAL)
- (let ((*read-base* 10))
- (read-from-string str))
- str)))
- (otherwise
- (let ((str (make-string out-len)))
- (loop do (if (= c-type #.$SQL_CHAR)
- (setf offset (%cstring-into-vector ;string
- data-ptr str
- offset
- (min out-len (1- +max-precision+))))
- (error 'clsql:sql-database-error :message "wrong type. preliminary."))
- while
- (and (= res $SQL_SUCCESS_WITH_INFO)
- #+ingore(eq (sql-state +null-handle-ptr+ +null-handle-ptr+ hstmt)
- $sql-data-truncated)
- (equal (sql-state +null-handle-ptr+ +null-handle-ptr+ hstmt)
- "01004"))
- do (setf res (%sql-get-data hstmt column-nr c-type data-ptr
- +max-precision+ out-len-ptr)
- out-len (deref-pointer out-len-ptr #.$ODBC-LONG-TYPE)))
- (if (= sql-type $SQL_DECIMAL)
- (let ((*read-base* 10))
- (read-from-string str))
- str))))))
-
-(def-type c-timestamp-ptr-type '(* (:struct sql-c-timestamp)))
-(def-type c-time-ptr-type '(* (:struct sql-c-time)))
-(def-type c-date-ptr-type '(* (:struct sql-c-date)))
+ (offset 0)
+ (result (case out-len
+ (#.$SQL_NULL_DATA
+ (return-from read-data-in-chunks *null*))
+ (#.$SQL_NO_TOTAL ;; don't know how long it is going to be
+ (let ((str (make-array 0 :element-type 'character :adjustable t)))
+ (loop do (if (= c-type #.$SQL_CHAR)
+ (let ((data-length (foreign-string-length data-ptr)))
+ (adjust-array str (+ offset data-length)
+ :initial-element #\?)
+ (setf offset (%cstring-into-vector
+ data-ptr str
+ offset
+ data-length)))
+ (error 'clsql:sql-database-error :message "wrong type. preliminary."))
+ while (and (= res $SQL_SUCCESS_WITH_INFO)
+ (equal (sql-state +null-handle-ptr+ +null-handle-ptr+ hstmt)
+ "01004"))
+ do (setf res (%sql-get-data hstmt column-nr c-type data-ptr
+ +max-precision+ out-len-ptr)))
+ (setf str (coerce str 'string))
+ (if (= sql-type $SQL_DECIMAL)
+ (let ((*read-base* 10))
+ (read-from-string str))
+ str)))
+ (otherwise
+ (let ((str (make-string out-len)))
+ (loop do (if (= c-type #.$SQL_CHAR)
+ (setf offset (%cstring-into-vector ;string
+ data-ptr str
+ offset
+ (min out-len (1- +max-precision+))))
+ (error 'clsql:sql-database-error :message "wrong type. preliminary."))
+ while
+ (and (= res $SQL_SUCCESS_WITH_INFO)
+ #+ingore(eq (sql-state +null-handle-ptr+ +null-handle-ptr+ hstmt)
+ $sql-data-truncated)
+ (equal (sql-state +null-handle-ptr+ +null-handle-ptr+ hstmt)
+ "01004"))
+ do (setf res (%sql-get-data hstmt column-nr c-type data-ptr
+ +max-precision+ out-len-ptr)
+ out-len (deref-pointer out-len-ptr #.$ODBC-LONG-TYPE)))
+ (if (= sql-type $SQL_DECIMAL)
+ (let ((*read-base* 10))
+ (read-from-string str))
+ str))))))
+ (setf (deref-pointer out-len-ptr #.$ODBC-LONG-TYPE) #.$SQL_NO_TOTAL) ;; reset the out length for the next row
+ result))
+
+(def-type c-timestamp-ptr-type (* (:struct sql-c-timestamp)))
+(def-type c-time-ptr-type (* (:struct sql-c-time)))
+(def-type c-date-ptr-type (* (:struct sql-c-date)))
(defun timestamp-to-universal-time (ptr)
(declare (type c-timestamp-ptr-type ptr))
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