(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-base:format-time
+ nil (clsql-base: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))
(defvar *info-output* nil
"Stream to send SUCCESS_WITH_INFO messages.")
(defun handle-error (henv hdbc hstmt)
(let ((sql-state (allocate-foreign-string 256))
- (error-message (allocate-foreign-string $SQL_MAX_MESSAGE_LENGTH)))
+ (error-message (allocate-foreign-string #.$SQL_MAX_MESSAGE_LENGTH)))
(with-foreign-objects ((error-code :long)
(msg-length :short))
(SQLError henv hdbc hstmt sql-state
error-code error-message
- $SQL_MAX_MESSAGE_LENGTH msg-length)
- (values
- (prog1
- (convert-from-foreign-string error-message)
- (free-foreign-object error-message))
- (prog1
- (convert-from-foreign-string sql-state)
- (free-foreign-object error-message))
- (deref-pointer msg-length :short)
- (deref-pointer error-code :long)))))
+ #.$SQL_MAX_MESSAGE_LENGTH msg-length)
+ (let ((err (convert-from-foreign-string error-message))
+ (state (convert-from-foreign-string sql-state)))
+ (free-foreign-object error-message)
+ (free-foreign-object sql-state)
+ (values
+ err
+ state
+ (deref-pointer msg-length :short)
+ (deref-pointer error-code :long))))))
(defun sql-state (henv hdbc hstmt)
(let ((sql-state (allocate-foreign-string 256))
- (error-message (allocate-foreign-string $SQL_MAX_MESSAGE_LENGTH)))
+ (error-message (allocate-foreign-string #.$SQL_MAX_MESSAGE_LENGTH)))
(with-foreign-objects ((error-code :long)
(msg-length :short))
(SQLError henv hdbc hstmt sql-state error-code
- error-message $SQL_MAX_MESSAGE_LENGTH msg-length)
- (free-foreign-object error-message)
- (prog1
- (convert-from-foreign-string sql-state)
- (free-foreign-object sql-state)))
- ;; test this: return a keyword for efficiency
- ;;(%cstring-to-keyword sql-state)
- ))
+ error-message #.$SQL_MAX_MESSAGE_LENGTH msg-length)
+ (let ((state (convert-from-foreign-string sql-state)))
+ (free-foreign-object error-message)
+ (free-foreign-object sql-state)
+ state
+ ;; test this: return a keyword for efficiency
+ ;;(%cstring-to-keyword state)
+ ))))
(defmacro with-error-handling ((&key henv hdbc hstmt (print-info t))
odbc-call &body body)
(#.$SQL_SUCCESS_WITH_INFO
(when ,print-info
(multiple-value-bind (error-message sql-state)
- (handle-error (or ,henv +null-ptr+)
- (or ,hdbc +null-ptr+)
- (or ,hstmt +null-ptr+))
+ (handle-error (or ,henv +null-handle-ptr+)
+ (or ,hdbc +null-handle-ptr+)
+ (or ,hstmt +null-handle-ptr+))
(when *info-output*
(format *info-output* "[ODBC info ~A] ~A state: ~A"
,result-code error-message
:odbc-message "Still executing"))
(#.$SQL_ERROR
(multiple-value-bind (error-message sql-state)
- (handle-error (or ,henv +null-ptr+)
- (or ,hdbc +null-ptr+)
- (or ,hstmt +null-ptr+))
+ (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
(with-error-handling
(:hdbc hdbc)
(SQLGetInfo hdbc info-type info-ptr 1023 info-length-ptr)
- (prog1
- (convert-from-foreign-string info-ptr)
- (free-foreign-object info-ptr))))))
+ (let ((info (convert-from-foreign-string info-ptr)))
+ (free-foreign-object info-ptr)
+ info)))))
;; those returning a word
((#.$SQL_ACTIVE_CONNECTIONS
#.$SQL_ACTIVE_STATEMENTS
(let ((column-name-ptr (allocate-foreign-string 256)))
(with-foreign-objects ((column-name-length-ptr :short)
(column-sql-type-ptr :short)
- (column-precision-ptr :long)
+ (column-precision-ptr :unsigned-long)
(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 :long)
+ (deref-pointer column-precision-ptr :unsigned-long)
(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 :long)
+ (column-precision-ptr :unsigned-long)
(column-scale-ptr :short)
(column-nullable-p-ptr :short))
(with-error-handling
column-nullable-p-ptr)
(values
(deref-pointer column-sql-type-ptr :short)
- (deref-pointer column-precision-ptr :long)
+ (deref-pointer column-precision-ptr :unsigned-long)
(deref-pointer column-scale-ptr :short)
(deref-pointer column-nullable-p-ptr :short)))))
(SQLColAttributes hstmt column-nr descriptor-type descriptor-info-ptr
256 descriptor-length-ptr
numeric-descriptor-ptr)
- (values
- (prog1
- (convert-from-foreign-string descriptor-info-ptr)
- (free-foreign-object descriptor-info-ptr))
- (deref-pointer numeric-descriptor-ptr :long))))))
+ (let ((desc (convert-from-foreign-string descriptor-info-ptr)))
+ (free-foreign-object descriptor-info-ptr)
+ (values
+ desc
+ (deref-pointer numeric-descriptor-ptr :long)))))))
(defun %prepare-describe-columns (hstmt table-qualifier table-owner
table-name column-name)
description-ptr
1024
description-length-ptr))))
- (unless (= res $SQL_NO_DATA_FOUND)
- (values
- (prog1
- (convert-from-foreign-string name-ptr)
- (free-foreign-object name-ptr))
- (prog1
- (convert-from-foreign-string description-ptr)
- (free-foreign-object description-ptr))))))))
+ (cond
+ ((= res $SQL_NO_DATA_FOUND)
+ (let ((name (convert-from-foreign-string name-ptr))
+ (desc (convert-from-foreign-string description-ptr)))
+ (free-foreign-object name-ptr)
+ (free-foreign-object description-ptr)
+ (values
+ name
+ desc)))
+ (t
+ (free-foreign-object name-ptr)
+ (free-foreign-object description-ptr)
+ nil))))))
+
+
(defun sql-to-c-type (sql-type)
(ecase sql-type
data-length)))
(error "wrong type. preliminary."))
while (and (= res $SQL_SUCCESS_WITH_INFO)
- (equal (sql-state +null-ptr+ +null-ptr+ hstmt)
+ (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)))
(error "wrong type. preliminary."))
while
(and (= res $SQL_SUCCESS_WITH_INFO)
- #+ingore(eq (sql-state +null-ptr+ +null-ptr+ hstmt)
+ #+ingore(eq (sql-state +null-handle-ptr+ +null-handle-ptr+ hstmt)
$sql-data-truncated)
- (equal (sql-state +null-ptr+ +null-ptr+ hstmt)
+ (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)
(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))
+ (results nil))
+ (unwind-protect
+ (with-foreign-objects ((dsn-len :short)
+ (desc-len :short))
+ (let ((res (with-error-handling (:henv henv)
+ (SQLDataSources henv $SQL_FETCH_FIRST dsn
+ (1+ $SQL_MAX_DSN_LENGTH)
+ dsn-len desc 256 desc-len))))
+ (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)
+ dsn-len desc 256 desc-len))
+ (with-error-handling (:henv henv)
+ (SQLDataSources henv $SQL_FETCH_NEXT dsn
+ (1+ $SQL_MAX_DSN_LENGTH)
+ dsn-len desc 256 desc-len))))
+ ((not (or (eql res $SQL_SUCCESS)
+ (eql res $SQL_SUCCESS_WITH_INFO))))
+ (push (convert-from-foreign-string dsn) results))))
+ (progn
+ (free-foreign-object dsn)
+ (free-foreign-object desc)))
+ (nreverse results)))
+