;;;; 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.
(defvar *null* nil
"Lisp representation of SQL Null value, default = nil.
May be locally bound to something else if a certain type is necessary.")
-
+
(defvar *binary-format* :unsigned-byte-vector)
-(defvar *time-conversion-function* (lambda (universal-time &optional fraction)
- (declare (ignore fraction))
- universal-time)
+(defvar *time-conversion-function*
+ (lambda (universal-time &optional fraction)
+ (declare (ignore fraction))
+ (clsql-sys:format-time
+ nil (clsql-sys:utime->time universal-time)
+ :format :iso)
+ #+ignore
+ universal-time)
"Bound to a function that converts from a Lisp universal time fixnum (and a fractional
-as possible second argument) to the desired representation of date/time/timestamp.")
+as possible second argument) to the desired representation of date/time/timestamp. By default, returns an iso-timestring.")
(defvar +null-ptr+ (make-null-pointer :byte))
(defparameter +null-handle-ptr+ (make-null-pointer :void))
(let ((size (gensym)))
`(let ((,size (length ,string)))
(when (and ,max-length (> ,size ,max-length))
- (error "string \"~a\" of length ~d is longer than max-length: ~d"
- ,string ,size ,max-length))
+ (error 'clsql:sql-database-data-error
+ :message
+ (format nil "string \"~a\" of length ~d is longer than max-length: ~d"
+ ,string ,size ,max-length)))
(with-cast-pointer (char-ptr ,ptr :byte)
(dotimes (i ,size)
- (setf (deref-array char-ptr '(:array :byte) i)
+ (setf (deref-array char-ptr '(:array :byte) i)
(char-code (char ,string i))))
(setf (deref-array char-ptr '(:array :byte) ,size) 0)))))
(deref-array ptr '(:array :unsigned-char) i)))
(incf offset))
offset)
-
+
(defun handle-error (henv hdbc hstmt)
(let ((sql-state (allocate-foreign-string 256))
(error-message (allocate-foreign-string #.$SQL_MAX_MESSAGE_LENGTH)))
- (with-foreign-objects ((error-code :long)
+ (with-foreign-objects ((error-code #.$ODBC-LONG-TYPE)
(msg-length :short))
(SQLError henv hdbc hstmt sql-state
error-code error-message
(values
err
state
- (deref-pointer msg-length :short)
- (deref-pointer error-code :long))))))
+ (deref-pointer msg-length :short)
+ (deref-pointer error-code #.$ODBC-LONG-TYPE))))))
(defun sql-state (henv hdbc hstmt)
(let ((sql-state (allocate-foreign-string 256))
(error-message (allocate-foreign-string #.$SQL_MAX_MESSAGE_LENGTH)))
- (with-foreign-objects ((error-code :long)
+ (with-foreign-objects ((error-code #.$ODBC-LONG-TYPE)
(msg-length :short))
(SQLError henv hdbc hstmt sql-state error-code
error-message #.$SQL_MAX_MESSAGE_LENGTH msg-length)
- (let ((state (convert-from-foreign-string sql-state)))
+ (let ((state (convert-from-foreign-string sql-state)))
(free-foreign-object error-message)
(free-foreign-object sql-state)
state
(progn ,result-code ,@body))
(#.$SQL_INVALID_HANDLE
(error
- 'clsql-base-sys:clsql-odbc-error
- :odbc-message "Invalid handle"))
+ 'clsql-sys:sql-database-error
+ :message "ODBC: Invalid handle"))
(#.$SQL_STILL_EXECUTING
(error
- 'clsql-base-sys:clsql-odbc-error
- :odbc-message "Still executing"))
+ 'clsql-sys:sql-temporary-error
+ :message "ODBC: Still executing"))
(#.$SQL_ERROR
(multiple-value-bind (error-message sql-state)
(handle-error (or ,henv +null-handle-ptr+)
(or ,hdbc +null-handle-ptr+)
(or ,hstmt +null-handle-ptr+))
(error
- 'clsql-base-sys:clsql-odbc-error
- :odbc-message error-message
- :sql-state sql-state)))
+ 'clsql-sys:sql-database-error
+ :message error-message
+ :secondary-error-id sql-state)))
+ (#.$SQL_NO_DATA_FOUND
+ (progn ,result-code ,@body))
+ ;; work-around for Allegro 7.0beta AMD64 which
+ ;; has for negative numbers
(otherwise
+ (multiple-value-bind (error-message sql-state)
+ (handle-error (or ,henv +null-handle-ptr+)
+ (or ,hdbc +null-handle-ptr+)
+ (or ,hstmt +null-handle-ptr+))
+ (error
+ 'clsql-sys:sql-database-error
+ :message error-message
+ :secondary-error-id sql-state))
+ #+ignore
(progn ,result-code ,@body))))))
(defun %new-environment-handle ()
(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 %sql-free-environment (henv)
- (with-error-handling
+ (with-error-handling
(:henv henv)
(SQLFreeEnv 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)
- (with-error-handling
+ (with-error-handling
(:hstmt hstmt)
- (SQLFreeStmt
- hstmt
+ (SQLFreeStmt
+ hstmt
(ecase option
(:drop $SQL_DROP)
(:close $SQL_CLOSE)
(with-cstrings ((server-ptr server)
(uid-ptr uid)
(pwd-ptr pwd))
- (with-error-handling
+ (with-error-handling
(:hdbc hdbc)
- (SQLConnect hdbc server-ptr $SQL_NTS uid-ptr
+ (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
+ (with-error-handling
(:hdbc hdbc)
(SQLDisconnect hdbc)))
(defun %commit (henv hdbc)
- (with-error-handling
+ (with-error-handling
(:henv henv :hdbc hdbc)
- (SQLTransact
+ (SQLTransact
henv hdbc $SQL_COMMIT)))
(defun %rollback (henv hdbc)
- (with-error-handling
+ (with-error-handling
(:henv henv :hdbc hdbc)
- (SQLTransact
+ (SQLTransact
henv hdbc $SQL_ROLLBACK)))
; col-nr is zero-based in Lisp
(with-error-handling
(:hstmt hstmt)
(SQLBindParameter hstmt (1+ parameter-nr)
- parameter-type ;$SQL_PARAM_INPUT
+ parameter-type ;$SQL_PARAM_INPUT
c-type ;$SQL_C_CHAR
sql-type ;$SQL_VARCHAR
precision ;(1- (length str))
)))
(defun %sql-fetch (hstmt)
- (with-error-handling
+ (with-error-handling
(:hstmt hstmt)
(SQLFetch hstmt)))
(defun %new-statement-handle (hdbc)
- (with-foreign-object (hstmt-ptr 'sql-handle)
- (with-error-handling
- (:hdbc hdbc)
- (SQLAllocStmt hdbc hstmt-ptr)
- (deref-pointer hstmt-ptr 'sql-handle))))
+ (let ((statement-handle
+ (with-foreign-object (phstmt 'sql-handle)
+ (with-error-handling
+ (:hdbc hdbc)
+ (SQLAllocHandle $SQL_HANDLE_STMT hdbc phstmt)
+ (deref-pointer phstmt 'sql-handle)))))
+ (if (uffi:null-pointer-p statement-handle)
+ (error 'clsql:sql-database-error :message "Received null statement handle.")
+ statement-handle)))
(defun %sql-get-info (hdbc info-type)
(ecase info-type
#.$SQL_SPECIAL_CHARACTERS
#.$SQL_TABLE_TERM
#.$SQL_USER_NAME)
- (let ((info-ptr (allocate-foreign-string 1024)))
+ (let ((info-ptr (allocate-foreign-string 1024)))
(with-foreign-object (info-length-ptr :short)
- (with-error-handling
+ (with-error-handling
(:hdbc hdbc)
(SQLGetInfo hdbc info-type info-ptr 1023 info-length-ptr)
(let ((info (convert-from-foreign-string info-ptr)))
#.$SQL_TXN_CAPABLE)
(with-foreign-objects ((info-ptr :short)
(info-length-ptr :short))
- (with-error-handling
+ (with-error-handling
(:hdbc hdbc)
(SQLGetInfo hdbc
info-type
(deref-pointer info-ptr :short)))
)
;; those returning a long bitmask
- ((#.$SQL_ALTER_TABLE
+ ((#.$SQL_ALTER_TABLE
#.$SQL_BOOKMARK_PERSISTENCE
#.$SQL_CONVERT_BIGINT
#.$SQL_CONVERT_BINARY
#.$SQL_TIMEDATE_FUNCTIONS
#.$SQL_TXN_ISOLATION_OPTION
#.$SQL_UNION)
- (with-foreign-objects ((info-ptr :long)
+ (with-foreign-objects ((info-ptr #.$ODBC-LONG-TYPE)
(info-length-ptr :short))
- (with-error-handling
+ (with-error-handling
(:hdbc hdbc)
(SQLGetInfo hdbc
info-type
info-ptr
255
info-length-ptr)
- (deref-pointer info-ptr :long)))
+ (deref-pointer info-ptr #.$ODBC-LONG-TYPE)))
)
;; those returning a long integer
((#.$SQL_DEFAULT_TXN_ISOLATION
#.$SQL_MAX_CHAR_LITERAL_LEN
#.$SQL_ACTIVE_ENVIRONMENTS
)
- (with-foreign-objects ((info-ptr :long)
+ (with-foreign-objects ((info-ptr #.$ODBC-LONG-TYPE)
(info-length-ptr :short))
- (with-error-handling
+ (with-error-handling
(:hdbc hdbc)
(SQLGetInfo hdbc info-type info-ptr 255 info-length-ptr)
- (deref-pointer info-ptr :long))))))
-
+ (deref-pointer info-ptr #.$ODBC-LONG-TYPE))))))
+
(defun %sql-exec-direct (sql hstmt henv hdbc)
(with-cstring (sql-ptr sql)
(with-error-handling
(deref-pointer columns-nr-ptr :short))))
(defun result-rows-count (hstmt)
- (with-foreign-objects ((row-count-ptr :long))
+ (with-foreign-objects ((row-count-ptr #.$ODBC-LONG-TYPE))
(with-error-handling (:hstmt hstmt)
(SQLRowCount hstmt row-count-ptr)
- (deref-pointer row-count-ptr :long))))
+ (deref-pointer row-count-ptr #.$ODBC-LONG-TYPE))))
;; column counting is 1-based
(defun %describe-column (hstmt column-nr)
(let ((column-name-ptr (allocate-foreign-string 256)))
(with-foreign-objects ((column-name-length-ptr :short)
(column-sql-type-ptr :short)
- (column-precision-ptr :unsigned-long)
+ (column-precision-ptr #.$ODBC-ULONG-TYPE)
(column-scale-ptr :short)
(column-nullable-p-ptr :short))
(with-error-handling (:hstmt hstmt)
(values
column-name
(deref-pointer column-sql-type-ptr :short)
- (deref-pointer column-precision-ptr :unsigned-long)
+ (deref-pointer column-precision-ptr #.$ODBC-ULONG-TYPE)
(deref-pointer column-scale-ptr :short)
(deref-pointer column-nullable-p-ptr :short)))))))
-
+
;; parameter counting is 1-based
(defun %describe-parameter (hstmt parameter-nr)
(with-foreign-objects ((column-sql-type-ptr :short)
- (column-precision-ptr :unsigned-long)
+ (column-precision-ptr #.$ODBC-ULONG-TYPE)
(column-scale-ptr :short)
(column-nullable-p-ptr :short))
- (with-error-handling
+ (with-error-handling
(:hstmt hstmt)
(SQLDescribeParam hstmt parameter-nr
column-sql-type-ptr
column-nullable-p-ptr)
(values
(deref-pointer column-sql-type-ptr :short)
- (deref-pointer column-precision-ptr :unsigned-long)
+ (deref-pointer column-precision-ptr #.$ODBC-ULONG-TYPE)
(deref-pointer column-scale-ptr :short)
(deref-pointer column-nullable-p-ptr :short)))))
(defun %column-attributes (hstmt column-nr descriptor-type)
(let ((descriptor-info-ptr (allocate-foreign-string 256)))
(with-foreign-objects ((descriptor-length-ptr :short)
- (numeric-descriptor-ptr :long))
+ (numeric-descriptor-ptr #.$ODBC-LONG-TYPE))
(with-error-handling
- (:hstmt hstmt)
+ (:hstmt hstmt)
(SQLColAttributes hstmt column-nr descriptor-type descriptor-info-ptr
256 descriptor-length-ptr
numeric-descriptor-ptr)
(free-foreign-object descriptor-info-ptr)
(values
desc
- (deref-pointer numeric-descriptor-ptr :long)))))))
-
-(defun %prepare-describe-columns (hstmt table-qualifier table-owner
+ (deref-pointer numeric-descriptor-ptr #.$ODBC-LONG-TYPE)))))))
+
+(defun %prepare-describe-columns (hstmt table-qualifier table-owner
table-name column-name)
(with-cstrings ((table-qualifier-ptr table-qualifier)
- (table-owner-ptr table-owner)
+ (table-owner-ptr table-owner)
(table-name-ptr table-name)
(column-name-ptr column-name))
(with-error-handling
- (:hstmt hstmt)
+ (:hstmt hstmt)
(SQLColumns hstmt
table-qualifier-ptr (length table-qualifier)
table-owner-ptr (length table-owner)
table-name-ptr (length table-name)
column-name-ptr (length column-name)))))
-(defun %describe-columns (hdbc table-qualifier table-owner
+(defun %describe-columns (hdbc table-qualifier table-owner
table-name column-name)
(with-statement-handle (hstmt hdbc)
- (%prepare-describe-columns hstmt table-qualifier table-owner
+ (%prepare-describe-columns hstmt table-qualifier table-owner
table-name column-name)
(fetch-all-rows hstmt)))
(free-foreign-object name-ptr)
(free-foreign-object description-ptr)
nil))))))
-
+
(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_CHAR #.$SQL_VARCHAR #.$SQL_LONGVARCHAR
+ #.$SQL_NUMERIC #.$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 $SQL_C_BIT)))
-(def-type byte-pointer-type '(* :byte))
-(def-type short-pointer-type '(* :short))
-(def-type int-pointer-type '(* :int))
-(def-type long-pointer-type '(* :long))
-(def-type float-pointer-type '(* :float))
-(def-type double-pointer-type '(* :double))
-(def-type string-pointer-type '(* :unsigned-char))
+(def-type byte-pointer-type (* :byte))
+(def-type short-pointer-type (* :short))
+(def-type int-pointer-type (* :int))
+(def-type long-pointer-type (* #.$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))
(defun get-cast-long (ptr)
(locally (declare (type long-pointer-type ptr))
- (deref-pointer ptr :long)))
+ (deref-pointer ptr #.$ODBC-LONG-TYPE)))
(defun get-cast-single-float (ptr)
(locally (declare (type float-pointer-type ptr))
(defun read-data (data-ptr c-type sql-type out-len-ptr result-type)
(declare (type long-ptr-type out-len-ptr))
- (let* ((out-len (deref-pointer out-len-ptr :long))
+ (let* ((out-len (deref-pointer out-len-ptr #.$ODBC-LONG-TYPE))
(value
(cond ((= out-len $SQL_NULL_DATA)
*null*)
(t
(case sql-type
;; SQL extended datatypes
- (#.$SQL_TINYINT (get-cast-byte data-ptr))
+ (#.$SQL_TINYINT (get-cast-byte data-ptr))
(#.$SQL_C_STINYINT (get-cast-byte data-ptr)) ;; ?
(#.$SQL_C_SSHORT (get-cast-short data-ptr)) ;; ?
(#.$SQL_SMALLINT (get-cast-short data-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
+ (#.$SQL_DECIMAL
(let ((*read-base* 10))
(read-from-string (get-cast-foreign-string data-ptr))))
- (t
+ (#.$SQL_BIT (get-cast-byte 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
(code-char (get-cast-short data-ptr)))
(t
(get-cast-foreign-string data-ptr)))))))))
-
+
;; FIXME: this could be better optimized for types which use READ-FROM-STRING above
-
+
(if (and (or (eq result-type t) (eq result-type :string))
+ value
(not (stringp value)))
(write-to-string value)
value)))
(long-p (= size +max-precision+))
(data-ptr
(case c-type ;; add more?
- (#.$SQL_C_SLONG (uffi:allocate-foreign-object :long))
- (#.$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))
+ (#.$SQL_C_SLONG (uffi:allocate-foreign-object #.$ODBC-LONG-TYPE))
+ ((#.$SQL_C_DATE #.$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))
(#.$SQL_C_BIT (uffi:allocate-foreign-object :byte))
- (#.$SQL_C_STINYINT (uffi:allocate-foreign-object :short))
+ (#.$SQL_C_STINYINT (uffi:allocate-foreign-object :byte))
(#.$SQL_C_SSHORT (uffi:allocate-foreign-object :short))
(#.$SQL_C_CHAR (uffi:allocate-foreign-string (1+ size)))
(#.$SQL_C_BINARY (uffi:allocate-foreign-string (1+ (* 2 size))))
- (t
+ (t
;; Maybe should signal a restartable condition for this?
(when *break-on-unknown-data-type*
- (break "SQL type is ~A, precision ~D, size ~D, C type is ~A"
+ (break "SQL type is ~A, precision ~D, size ~D, C type is ~A"
sql-type precision size c-type))
(uffi:allocate-foreign-object :byte (1+ size)))))
- (out-len-ptr (uffi:allocate-foreign-object :long)))
+ (out-len-ptr (uffi:allocate-foreign-object #.$ODBC-LONG-TYPE)))
(values c-type data-ptr out-len-ptr size long-p)))
(defun fetch-all-rows (hstmt &key free-option flatp)
(aref out-len-ptrs col-nr) out-len-ptr))))
;; the main loop
(prog1
- (cond (flatp
+ (cond (flatp
(when (> column-count 1)
- (error "If more than one column is to be fetched, flatp has to be nil."))
+ (error 'clsql:sql-database-error
+ :message "If more than one column is to be fetched, flatp has to be nil."))
(loop until (= (%sql-fetch hstmt) $SQL_NO_DATA_FOUND)
collect
- (read-data (aref data-ptrs 0)
+ (read-data (aref data-ptrs 0)
(aref c-types 0)
(aref sql-types 0)
(aref out-len-ptrs 0)
collect
(loop for col-nr from 0 to (1- column-count)
collect
- (read-data (aref data-ptrs col-nr)
+ (read-data (aref data-ptrs col-nr)
(aref c-types col-nr)
(aref sql-types col-nr)
(aref out-len-ptrs col-nr)
;; depending on option, we return a long int or a string; string not implemented
(defun get-connection-option (hdbc option)
- (with-foreign-object (param-ptr :long)
+ (with-foreign-object (param-ptr #.$ODBC-LONG-TYPE)
(with-error-handling (:hdbc hdbc)
(SQLGetConnectOption hdbc option param-ptr)
- (deref-pointer param-ptr :long))))
+ (deref-pointer param-ptr #.$ODBC-LONG-TYPE))))
(defun set-connection-option (hdbc option param)
(with-error-handling (:hdbc hdbc)
(set-connection-option hdbc $SQL_AUTOCOMMIT $SQL_AUTOCOMMIT_ON))
(defun %sql-set-pos (hstmt row option lock)
- (with-error-handling
+ (with-error-handling
(:hstmt hstmt)
(SQLSetPos hstmt row option lock)))
(defun %sql-extended-fetch (hstmt fetch-type row)
- (with-foreign-objects ((row-count-ptr :unsigned-long)
+ (with-foreign-objects ((row-count-ptr #.$ODBC-ULONG-TYPE)
(row-status-ptr :short))
(with-error-handling (:hstmt hstmt)
(SQLExtendedFetch hstmt fetch-type row row-count-ptr
row-status-ptr)
- (values (deref-pointer row-count-ptr :unsigned-long)
+ (values (deref-pointer row-count-ptr #.$ODBC-ULONG-TYPE)
(deref-pointer row-status-ptr :short)))))
; column-nr is zero-based
(defconstant $sql-data-truncated (intern "01004" :keyword))
-(defun read-data-in-chunks (hstmt column-nr data-ptr c-type sql-type
+(defun read-data-in-chunks (hstmt column-nr data-ptr c-type sql-type
out-len-ptr result-type)
- (declare (type long-ptr-type out-len-ptr))
- (let* ((res (%sql-get-data hstmt column-nr c-type data-ptr
+ (declare (type long-ptr-type out-len-ptr)
+ (ignore result-type))
+ (let* ((res (%sql-get-data hstmt column-nr c-type data-ptr
+max-precision+ out-len-ptr))
- (out-len (deref-pointer out-len-ptr :long))
- (offset 0))
- (case out-len
- (#.$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 "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 "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 :long)))
- (if (= sql-type $SQL_DECIMAL)
- (let ((*read-base* 10))
- (read-from-string str))
- str))))))
-
-(def-type c-timestamp-ptr-type '(* (:struct sql-c-timestamp)))
-(def-type c-time-ptr-type '(* (:struct sql-c-time)))
-(def-type c-date-ptr-type '(* (:struct sql-c-date)))
+ (out-len (deref-pointer out-len-ptr #.$ODBC-LONG-TYPE))
+ (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))
(values
- (encode-universal-time
+ (encode-universal-time
(get-slot-value ptr 'sql-c-timestamp 'second)
(get-slot-value ptr 'sql-c-timestamp 'minute)
(get-slot-value ptr 'sql-c-timestamp 'hour)
(defun time-to-universal-time (ptr)
(declare (type c-time-ptr-type ptr))
- (encode-universal-time
+ (encode-universal-time
(get-slot-value ptr 'sql-c-timestamp 'second)
(get-slot-value ptr 'sql-c-timestamp 'minute)
(get-slot-value ptr 'sql-c-timestamp 'hour)
(defun %set-attr-odbc-version (henv version)
(with-error-handling (:henv henv)
- (SQLSetEnvAttr henv $SQL_ATTR_ODBC_VERSION
+ (SQLSetEnvAttr henv $SQL_ATTR_ODBC_VERSION
(make-pointer version :void) 0)))
(defun %list-tables (hstmt)
(with-error-handling (:hstmt hstmt)
(SQLTables hstmt +null-ptr+ 0 +null-ptr+ 0 +null-ptr+ 0 +null-ptr+ 0)))
+(defun %table-statistics (table hstmt &key unique (ensure t))
+ (with-cstrings ((table-cs table))
+ (with-error-handling (:hstmt hstmt)
+ (SQLStatistics
+ hstmt
+ +null-ptr+ 0
+ +null-ptr+ 0
+ table-cs $SQL_NTS
+ (if unique $SQL_INDEX_UNIQUE $SQL_INDEX_ALL)
+ (if ensure $SQL_ENSURE $SQL_QUICK)))))
+
(defun %list-data-sources (henv)
(let ((dsn (allocate-foreign-string (1+ $SQL_MAX_DSN_LENGTH)))
(desc (allocate-foreign-string 256))
(when (or (eql res $SQL_SUCCESS)
(eql res $SQL_SUCCESS_WITH_INFO))
(push (convert-from-foreign-string dsn) results))
-
+
(do ((res (with-error-handling (:henv henv)
(SQLDataSources henv $SQL_FETCH_NEXT dsn
(1+ $SQL_MAX_DSN_LENGTH)
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