-;;; -*- Mode: Lisp -*-
-;;; $Id$
-
-;;; MaiSQL --- Common Lisp Interface Layer to SQL Databases
-;;; This is copyrighted software. See documentation for terms.
-;;;
-;;; oracle-sql.lisp --- SQL-Interface implementation for Oracle
-;;;
-;;; derived from postgresql.lisp
+;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name: oracle-sql.lisp
+;;;;
+;;;; $Id$
+;;;;
+;;;; 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-oracle)
+(defvar *oracle-server-version* nil
+ "Version string of Oracle server.")
+
(defmethod database-initialize-database-type
((database-type (eql :oracle)))
t)
;;;; arbitrary parameters, tunable for performance or other reasons
-;;; the number of table rows that we buffer at once when reading a table
-;;;
-;;; CMUCL has a compiled-in limit on how much C data can be allocated
-;;; (through malloc() and friends) at any given time, typically 8 Mb.
-;;; Setting this constant to a moderate value should make it less
-;;; likely that we'll have to worry about the CMUCL limit.
-(defconstant +n-buf-rows+ 200)
-;;; the number of characters that we allocate for an error message buffer
-(defconstant +errbuf-len+ 512)
+(uffi:def-foreign-type void-pointer (* :void))
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defconstant +errbuf-len+ 512
+ "the number of characters that we allocate for an error message buffer")
+ (defconstant +n-buf-rows+ 200
+ "the number of table rows that we buffer at once when reading a table.
+CMUCL has a compiled-in limit on how much C data can be allocated
+(through malloc() and friends) at any given time, typically 8 Mb.
+Setting this constant to a moderate value should make it less
+likely that we'll have to worry about the CMUCL limit."))
+
;;; utilities for mucking around with C-level stuff
;; 1-element arrays running around due to the workaround for the CMUCL
;; 18b WITH-ALIEN scalar bug.
-(defmacro c-& (alien-object &rest indices)
- `(addr (deref ,alien-object ,@indices)))
+(defmacro c-& (alien-object type)
+ `(uffi:pointer-address (uffi:deref-pointer ,alien-object ,type)))
;; constants - from OCI?
(defconstant +null-value-returned+ 1405)
(defconstant +field-truncated+ 1406)
-(defconstant SQLT-INT 3)
-(defconstant SQLT-STR 5)
-(defconstant SQLT-FLT 4)
-(defconstant SQLT-DATE 12)
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defconstant SQLT-INT 3)
+ (defconstant SQLT-STR 5)
+ (defconstant SQLT-FLT 4)
+ (defconstant SQLT-DATE 12))
;;; Note that despite the suggestive class name (and the way that the
;;; *DEFAULT-DATABASE* variable holds an object of this class), a DB
;;; database. Thus, there's no obstacle to having any number of DB
;;; objects referring to the same database.
+(uffi:def-type pointer-pointer-void '(* (* :void)))
+
(defclass oracle-database (database) ; was struct db
((envhp
:reader envhp
:initarg :envhp
- :type (alien (* (* t)))
+ :type pointer-pointer-void
:documentation
"OCI environment handle")
(errhp
:reader errhp
:initarg :errhp
- :type (alien (* (* t)))
+ :type pointer-pointer-void
:documentation
"OCI error handle")
(svchp
:reader svchp
:initarg :svchp
- :type (alien (* (* t)))
+ :type pointer-pointer-void
:documentation
"OCI service context handle")
(data-source-name
(defun handle-oci-error (&key database nulls-ok)
(cond (database
(with-slots (errhp)
- database
- (with-alien ((errbuf (array char #.+errbuf-len+))
- (errcode (array long 1)))
- (setf (deref errbuf 0) 0) ; i.e. init to empty string
- (setf (deref errcode 0) 0)
- (oci-error-get (deref errhp) 1 "" (c-& errcode 0) (c-& errbuf 0) +errbuf-len+ +oci-htype-error+)
- (let ((subcode (deref errcode 0)))
+ database
+ (uffi:with-foreign-objects ((errbuf (:array :unsigned-char #.+errbuf-len+))
+ (errcode :long))
+ (setf (uffi:deref-array errbuf '(:array :unsigned-char) 0) (code-char 0)) ; i.e. init to empty string
+ (setf (uffi:deref-pointer errcode :long) 0)
+ (oci-error-get (uffi:deref-pointer errhp void-pointer) 1
+ (uffi:make-null-pointer :unsigned-char)
+ errcode errbuf +errbuf-len+ +oci-htype-error+)
+ (let ((subcode (uffi:deref-pointer errcode :long)))
(unless (and nulls-ok (= subcode +null-value-returned+))
(error 'clsql-sql-error
:database database
:errno subcode
- :error (cast (c-& errbuf 0) c-string)))))))
+ :expression nil
+ :error (uffi:convert-from-foreign-string errbuf)))))))
(nulls-ok
(error 'clsql-sql-error
:database database
- :error "can't handle NULLS-OK without ERRHP"))
+ :message "can't handle NULLS-OK without ERRHP"))
(t
(error 'clsql-sql-error
:database database
- :error "OCI Error (and no ERRHP available to find subcode)"))))
+ :message "OCI Error (and no ERRHP available to find subcode)"))))
;;; Require an OCI success code.
;;;
;; In order to map the "same string" property above onto Lisp equality,
;; we drop trailing spaces in all cases:
+(uffi:def-type string-pointer (* :unsigned-char))
+
(defun deref-oci-string (arrayptr string-index size)
- (declare (type (alien (* char)) arrayptr))
+ (declare (type string-pointer arrayptr))
(declare (type (mod #.+n-buf-rows+) string-index))
(declare (type (and unsigned-byte fixnum) size))
- (let* ((raw (cast (addr (deref arrayptr (* string-index size))) c-string))
+ (let* ((raw (uffi:convert-from-foreign-string
+ (+ (uffi:pointer-address arrayptr) (* string-index size))))
(trimmed (string-trim " " raw)))
(if (equal trimmed "NULL") nil trimmed)))
#+nil
(defun deref-oci-date (arrayptr index)
- (oci-date->universal-time (addr (deref arrayptr
- (* index +oci-date-bytes+)))))
+ (oci-date->universal-time (uffi:pointer-address (uffi:deref-array arrayptr '(:array :unsigned-char)
+ (* index +oci-date-bytes+)))))
#+nil
(defun oci-date->universal-time (oci-date)
- (declare (type (alien (* char)) oci-date))
+ (declare (type (alien (* :unsigned-char)) oci-date))
(flet (;; a character from OCI-DATE, interpreted as an unsigned byte
(ub (i)
(declare (type (mod #.+oci-date-bytes+) i))
- (mod (deref oci-date i) 256)))
+ (mod (uffi:deref-array oci-date string-pointer i) 256)))
(let* ((century (* (- (ub 0) 100) 100))
(year (+ century (- (ub 1) 100)))
(month (ub 2))
; (sql:query "select '',OWNER,TABLE_NAME,TABLE_TYPE,'' from all_catalog"))
-(defmethod list-all-user-database-tables ((db oracle-database))
- (unless db
- (setf db sql:*default-database*))
+(defmethod database-list-tables ((db oracle-database) &key owner)
(values (database-query "select TABLE_NAME from all_catalog
- where owner <> 'PUBLIC' and owner <> 'SYSTEM' and owner <> 'SYS'"
- db)))
+ where owner not in ('PUBLIC','SYSTEM','SYS','WMSYS','EXFSYS','CTXSYS','WKSYS','WK_TEST','MDSYS','DMSYS','OLAPSYS','ORDSYS','XDB')"
+ db nil nil)))
-(defmethod database-list-tables ((database oracle-database)
- &key (system-tables nil))
+(defmethod database-list-views ((database oracle-database)
+ &key (system-tables nil) owner)
(if system-tables
- (select [table_name] :from [all_catalog])
- (select [table_name] :from [all_catalog]
- :where [and [<> [owner] "PUBLIC"]
- [<> [owner] "SYSTEM"]
- [<> [owner] "SYS"]]
- :flatp t)))
+ (database-query "select table_name from all_catalog" database nil nil)
+ (database-query "select table_name from all_catalog where owner != 'PUBLIC' and owner != 'SYSTEM' and owner != 'SYS'"
+ database nil nil)))
;; Return a list of all columns in TABLE.
;;
(defmethod list-all-table-columns (table (db oracle-database))
(declare (type string table))
(unless db
- (setf db (default-database)))
+ (setf db clsql:*default-database*))
(let* ((sql-stmt (concatenate
'simple-string
"select "
1))) ; string
preresult))
-(defmethod database-list-attributes (table (database oracle-database))
+(defmethod database-list-attributes (table (database oracle-database) &key owner)
(let* ((relname (etypecase table
- (sql-sys::sql-ident
+ (clsql-sys::sql-ident
(string-upcase
- (symbol-name (slot-value table 'sql-sys::name))))
+ (symbol-name (slot-value table 'clsql-sys::name))))
(string table))))
- (select [user_tab_columns column_name]
- :from [user_tab_columns]
- :where [= [user_tab_columns table_name] relname]
- :flatp t)))
+ (mapcar #'car
+ (database-query
+ (format nil
+ "select user_tab_columns,column_name from user_tab_columns where user_tab_columns.table_name='~A'"
+ relname)
+ database nil nil))))
;; STREAM which has no more data, and QC is not a STREAM, we signal
;; DBI-ERROR instead.
+(uffi:def-type short-pointer '(* :short))
+(uffi:def-type double-pointer '(* :double))
+
+;;; the result of a database query: a cursor through a table
+(defstruct (oracle-result-set (:print-function print-query-cursor)
+ (:conc-name qc-)
+ (:constructor %make-query-cursor))
+ (db (error "missing DB") ; db conn. this table is associated with
+ :type db
+ :read-only t)
+ (stmthp (error "missing STMTHP") ; the statement handle used to create
+;; :type alien ; this table. owned by the QUERY-CURSOR
+ :read-only t) ; object, deallocated on CLOSE-QUERY
+ (cds) ; (error "missing CDS") ; column descriptors
+; :type (simple-array cd 1)
+ ; :read-only t)
+ (n-from-oci
+ 0 ; buffered rows: number of rows recv'd
+ :type (integer 0 #.+n-buf-rows+)) ; from the database on the last read
+ (n-to-dbi
+ 0 ; number of buffered rows returned, i.e.
+ :type (integer 0 #.+n-buf-rows+)) ; the index, within the buffered rows,
+ ; of the next row which hasn't already
+ ; been returned
+ (total-n-from-oci
+ 0 ; total number of bytes recv'd from OCI
+ :type unsigned-byte) ; in all reads
+ (oci-end-seen-p nil)) ; Have we seen the end of OCI
+ ; data, i.e. OCI returning
+ ; less data than we requested?
+ ; OCI doesn't seem to like us
+ ; to try to read more data
+ ; from it after that..
+
+
(defun fetch-row (qc &optional (eof-errorp t) eof-value)
- (declare (optimize (speed 3)))
+ ;;(declare (optimize (speed 3)))
(cond ((zerop (qc-n-from-oci qc))
(if eof-errorp
- (dbi-error "no more rows available in ~S" qc)
+ (error 'clsql-error :message
+ (format nil "no more rows available in ~S" qc))
eof-value))
((>= (qc-n-to-dbi qc)
(qc-n-from-oci qc))
(irow (qc-n-to-dbi qc)))
(dotimes (icd (length cds))
(let* ((cd (aref cds icd))
- (b (alien-resource-buffer (cd-buffer cd)))
+ (b (foreign-resource-buffer (cd-buffer cd)))
(value
- (let ((arb (alien-resource-buffer (cd-indicators cd))))
- (declare (type (alien (* (alien:signed 16))) arb))
- (unless (= (deref arb irow) -1)
+ (let ((arb (foreign-resource-buffer (cd-indicators cd))))
+ (declare (type short-pointer arb))
+ (unless (= (uffi:deref-array arb '(:array :int) irow) -1)
(ecase (cd-oci-data-type cd)
(#.SQLT-STR (deref-oci-string b irow (cd-sizeof cd)))
- (#.SQLT-FLT (deref (the (alien (* double)) b) irow))
- (#.SQLT-INT (deref (the (alien (* int)) b) irow))
+ (#.SQLT-FLT (uffi:deref-array b '(:array :double) irow))
+ (#.SQLT-INT (uffi:deref-array b '(:array :int) irow))
(#.SQLT-DATE (deref-oci-string b irow (cd-sizeof cd))))))))
(push value reversed-result)))
(incf (qc-n-to-dbi qc))
(cond ((qc-oci-end-seen-p qc)
(setf (qc-n-from-oci qc) 0))
(t
- (let ((oci-code (%oci-stmt-fetch (deref (qc-stmthp qc))
- (deref errhp)
+ (let ((oci-code (%oci-stmt-fetch (uffi:deref-pointer (qc-stmthp qc) void-pointer)
+ (uffi:deref-pointer errhp void-pointer)
+n-buf-rows+
+oci-fetch-next+ +oci-default+)))
(ecase oci-code
(values))
(#.+oci-error+ (handle-oci-error :database (qc-db qc)
:nulls-ok t))))
- (with-alien ((rowcount (array unsigned-long 1)))
- (oci-attr-get (deref (qc-stmthp qc)) +oci-htype-stmt+
- (c-& rowcount 0) nil +oci-attr-row-count+
- (deref errhp))
+ (uffi:with-foreign-object (rowcount :long)
+ (oci-attr-get (uffi:deref-pointer (qc-stmthp qc) void-pointer) +oci-htype-stmt+
+ rowcount
+ (uffi:make-null-pointer :unsigned-long)
+ +oci-attr-row-count+
+ (uffi:deref-pointer errhp void-pointer))
(setf (qc-n-from-oci qc)
- (- (deref rowcount 0) (qc-total-n-from-oci qc)))
+ (- (uffi:deref-pointer rowcount :long) (qc-total-n-from-oci qc)))
(when (< (qc-n-from-oci qc) +n-buf-rows+)
(setf (qc-oci-end-seen-p qc) t))
(setf (qc-total-n-from-oci qc)
- (deref rowcount 0)))))
+ (uffi:deref-pointer rowcount :long)))))
(values)))
;; the guts of the SQL function
(defun sql-stmt-exec (sql-stmt-string db &key types)
(with-slots (envhp svchp errhp)
db
- (let ((stmthp (make-alien (* t))))
- (with-alien ((stmttype (array unsigned-short 1)))
+ (let ((stmthp (uffi:allocate-foreign-object void-pointer)))
+ (uffi:with-foreign-object (stmttype :unsigned-short)
- (oci-handle-alloc (deref envhp) (c-& stmthp) +oci-htype-stmt+ 0 nil)
- (oci-stmt-prepare (deref stmthp) (deref errhp)
- sql-stmt-string (length sql-stmt-string)
+ (oci-handle-alloc (uffi:deref-pointer envhp void-pointer)
+ stmthp
+ +oci-htype-stmt+ 0 +null-void-pointer-pointer+)
+ (oci-stmt-prepare (uffi:deref-pointer stmthp void-pointer)
+ (uffi:deref-pointer errhp void-pointer)
+ (uffi:convert-to-cstring sql-stmt-string)
+ (length sql-stmt-string)
+oci-ntv-syntax+ +oci-default+ :database db)
- (oci-attr-get (deref stmthp) +oci-htype-stmt+
- (c-& stmttype 0) nil +oci-attr-stmt-type+
- (deref errhp) :database db)
- (let* ((select-p (= (deref stmttype 0) 1))
+ (oci-attr-get (uffi:deref-pointer stmthp void-pointer)
+ +oci-htype-stmt+
+ stmttype
+ (uffi:make-null-pointer :unsigned-int)
+ +oci-attr-stmt-type+
+ (uffi:deref-pointer errhp void-pointer)
+ :database db)
+ (let* ((select-p (= (uffi:deref-pointer stmttype :unsigned-short) 1))
(iters (if select-p 0 1)))
- (oci-stmt-execute (deref svchp) (deref stmthp) (deref errhp)
- iters 0 nil nil +oci-default+ :database db)
+ (oci-stmt-execute (uffi:deref-pointer svchp void-pointer)
+ (uffi:deref-pointer stmthp void-pointer)
+ (uffi:deref-pointer errhp void-pointer)
+ iters 0 +null-void-pointer+ +null-void-pointer+ +oci-default+
+ :database db)
(cond (select-p
(make-query-cursor db stmthp types))
(t
- (oci-handle-free (deref stmthp) +oci-htype-stmt+)
+ (oci-handle-free (uffi:deref-pointer stmthp void-pointer) +oci-htype-stmt+)
nil)))))))
(defun make-query-cursor-cds (database stmthp types)
- (declare (optimize (speed 3))
+ (declare (optimize (safety 3) #+nil (speed 3))
(type oracle-database database)
- (type (alien (* (* t))) stmthp))
+ (type pointer-pointer-void stmthp))
(with-slots (errhp)
database
(unless (eq types :auto)
(error "unsupported TYPES value"))
- (with-alien ((dtype unsigned-short 1)
- (parmdp (* t))
- (precision (unsigned 8))
- (scale (signed 8))
- (colname c-string)
- (colnamelen unsigned-long)
- (colsize unsigned-long)
- (colsizesize unsigned-long)
- (defnp (* t)))
+ (uffi:with-foreign-objects ((dtype-foreign :unsigned-short)
+ (parmdp (* :void))
+ (precision :byte)
+ (scale :byte)
+ (colname (* :unsigned-char))
+ (colnamelen :unsigned-long)
+ (colsize :unsigned-long)
+ (colsizesize :unsigned-long)
+ (defnp (* :void)))
(let ((buffer nil)
(sizeof nil))
(do ((icolumn 0 (1+ icolumn))
(cds-as-reversed-list nil))
- ((not (eql (oci-param-get (deref stmthp) +oci-htype-stmt+
- (deref errhp) (addr parmdp)
+ ((not (eql (oci-param-get (uffi:deref-pointer stmthp void-pointer)
+ +oci-htype-stmt+
+ (uffi:deref-pointer errhp void-pointer)
+ parmdp
(1+ icolumn) :database database)
+oci-success+))
(coerce (reverse cds-as-reversed-list) 'simple-vector))
;; Decode type of ICOLUMNth column into a type we're prepared to
;; handle in Lisp.
- (oci-attr-get parmdp +oci-dtype-param+ (addr dtype)
- nil +oci-attr-data-type+ (deref errhp))
- (case dtype
- (#.SQLT-DATE
- (setf buffer (acquire-alien-resource char (* 32 +n-buf-rows+)))
- (setf sizeof 32 dtype #.SQLT-STR))
- (2 ;; number
- ;;(oci-attr-get parmdp +oci-dtype-param+
- ;;(addr precision) nil +oci-attr-precision+
- ;;(deref errhp))
- (oci-attr-get parmdp +oci-dtype-param+
- (addr scale) nil +oci-attr-scale+
- (deref errhp))
- (cond
- ((zerop scale)
- (setf buffer (acquire-alien-resource signed +n-buf-rows+)
- sizeof 4 ;; sizeof(int)
- dtype #.SQLT-INT))
- (t
- (setf buffer (acquire-alien-resource double-float +n-buf-rows+)
- sizeof 8 ;; sizeof(double)
- dtype #.SQLT-FLT))))
- (t ; Default to SQL-STR
- (setf colsize 0
- dtype #.SQLT-STR)
- (oci-attr-get parmdp +oci-dtype-param+ (addr colsize)
- (addr colsizesize) +oci-attr-data-size+
- (deref errhp))
- (let ((colsize-including-null (1+ colsize)))
- (setf buffer (acquire-alien-resource char (* +n-buf-rows+ colsize-including-null)))
- (setf sizeof colsize-including-null))))
- (let ((retcodes (acquire-alien-resource short +n-buf-rows+))
- (indicators (acquire-alien-resource short +n-buf-rows+)))
- (push (make-cd :name "col" ;(subseq colname 0 colnamelen)
- :sizeof sizeof
- :buffer buffer
- :oci-data-type dtype
- :retcodes retcodes
- :indicators indicators)
- cds-as-reversed-list)
- (oci-define-by-pos (deref stmthp)
- (addr defnp)
- (deref errhp)
- (1+ icolumn) ; OCI 1-based indexing again
- (alien-resource-buffer buffer)
- sizeof
- dtype
- (alien-resource-buffer indicators)
- nil
- (alien-resource-buffer retcodes)
- +oci-default+)))))))
-
+ (oci-attr-get (uffi:deref-pointer parmdp void-pointer)
+ +oci-dtype-param+
+ dtype-foreign
+ (uffi:make-null-pointer :int) +oci-attr-data-type+
+ (uffi:deref-pointer errhp void-pointer))
+ (let ((dtype (uffi:deref-pointer dtype-foreign :unsigned-short)))
+ (case dtype
+ (#.SQLT-DATE
+ (setf buffer (acquire-foreign-resource :char (* 32 +n-buf-rows+)))
+ (setf sizeof 32 dtype #.SQLT-STR))
+ (2 ;; number
+ ;;(oci-attr-get parmdp +oci-dtype-param+
+ ;;(addr precision) nil +oci-attr-precision+
+ ;;(uffi:deref-pointer errhp))
+ (oci-attr-get (uffi:deref-pointer parmdp void-pointer)
+ +oci-dtype-param+
+ scale
+ (uffi:make-null-pointer :int) +oci-attr-scale+
+ (uffi:deref-pointer errhp void-pointer))
+ (cond
+ ((zerop scale)
+ (setf buffer (acquire-foreign-resource :init +n-buf-rows+)
+ sizeof 4 ;; sizeof(int)
+ dtype #.SQLT-INT))
+ (t
+ (setf buffer (acquire-foreign-resource :double +n-buf-rows+)
+ sizeof 8 ;; sizeof(double)
+ dtype #.SQLT-FLT))))
+ (t ; Default to SQL-STR
+ (setf (uffi:deref-pointer colsize :unsigned-long) 0
+ dtype #.SQLT-STR)
+ (oci-attr-get (uffi:deref-pointer parmdp void-pointer)
+ +oci-dtype-param+
+ colsize
+ (uffi:make-null-pointer :int) ;; (uffi:pointer-address colsizesize)
+ +oci-attr-data-size+
+ (uffi:deref-pointer errhp void-pointer))
+ (let ((colsize-including-null (1+ (uffi:deref-pointer colsize :unsigned-long))))
+ (setf buffer (acquire-foreign-resource
+ :char (* +n-buf-rows+ colsize-including-null)))
+ (setf sizeof colsize-including-null))))
+ (let ((retcodes (acquire-foreign-resource :short +n-buf-rows+))
+ (indicators (acquire-foreign-resource :short +n-buf-rows+)))
+ (push (make-cd :name "col" ;(subseq colname 0 colnamelen)
+ :sizeof sizeof
+ :buffer buffer
+ :oci-data-type dtype
+ :retcodes retcodes
+ :indicators indicators)
+ cds-as-reversed-list)
+ (oci-define-by-pos (uffi:deref-pointer stmthp void-pointer)
+ defnp
+ (uffi:deref-pointer errhp void-pointer)
+ (1+ icolumn) ; OCI 1-based indexing again
+ (foreign-resource-buffer buffer)
+ sizeof
+ dtype
+ (foreign-resource-buffer indicators)
+ (uffi:make-null-pointer :unsigned-short)
+ (foreign-resource-buffer retcodes)
+ +oci-default+))))))))
+
;; Release the resources associated with a QUERY-CURSOR.
(defun close-query (qc)
- (oci-handle-free (deref (qc-stmthp qc)) +oci-htype-stmt+)
+ (oci-handle-free (uffi:deref-pointer (qc-stmthp qc) void-pointer) +oci-htype-stmt+)
(let ((cds (qc-cds qc)))
(dotimes (i (length cds))
(release-cd-resources (aref cds i))))
;; Release the resources associated with a column description.
(defun release-cd-resources (cd)
- (free-alien-resource (cd-buffer cd))
- (free-alien-resource (cd-retcodes cd))
- (free-alien-resource (cd-indicators cd))
+ (free-foreign-resource (cd-buffer cd))
+ (free-foreign-resource (cd-retcodes cd))
+ (free-foreign-resource (cd-indicators cd))
(values))
-(defmethod print-object ((db oracle-database) stream)
- (print-unreadable-object (db stream :type t :identity t)
- (format stream "\"/~a/~a\""
- (slot-value db 'data-source-name)
- (slot-value db 'user))))
-
-
(defmethod database-name-from-spec (connection-spec (database-type (eql :oracle)))
- (check-connection-spec connection-spec database-type (user password dsn))
- (destructuring-bind (user password dsn)
- connection-spec
+ (check-connection-spec connection-spec database-type (dsn user password))
+ (destructuring-bind (dsn user password) connection-spec
(declare (ignore password))
- (concatenate 'string "/" dsn "/" user)))
+ (concatenate 'string dsn "/" user)))
(defmethod database-connect (connection-spec (database-type (eql :oracle)))
- (check-connection-spec connection-spec database-type (user password dsn))
- (destructuring-bind (user password data-source-name)
+ (check-connection-spec connection-spec database-type (dsn user password))
+ (destructuring-bind (data-source-name user password)
connection-spec
- (let ((envhp (make-alien (* t)))
- (errhp (make-alien (* t)))
- (svchp (make-alien (* t)))
- (srvhp (make-alien (* t))))
+ (let ((envhp (uffi:allocate-foreign-object (* :void)))
+ (errhp (uffi:allocate-foreign-object (* :void)))
+ (svchp (uffi:allocate-foreign-object (* :void)))
+ (srvhp (uffi:allocate-foreign-object (* :void))))
;; Requests to allocate environments and handles should never
;; fail in normal operation, and they're done too early to
;; handle errors very gracefully (since they're part of the
;; error-handling mechanism themselves) so we just assert they
;; work.
- (setf (deref envhp) nil)
+ (setf (uffi:deref-pointer envhp void-pointer) +null-void-pointer+)
#+oci-8-1-5
(progn
- (oci-env-create (c-& envhp) +oci-default+ nil nil nil nil 0 nil)
- (oci-handle-alloc (deref envhp) (c-& errhp) +oci-htype-error+ 0 nil))
+ (oci-env-create envhp +oci-default+ nil nil nil nil 0 nil)
+ (oci-handle-alloc envhp
+ (c-& errhp void-pointer) +oci-htype-error+ 0
+ +null-void-pointer-pointer+))
#-oci-8-1-5
(progn
- (oci-initialize +oci-object+ nil nil nil nil)
- (ignore-errors (oci-handle-alloc nil (c-& envhp) +oci-htype-env+ 0 nil)) ;no testing return
- (oci-env-init (c-& envhp) +oci-default+ 0 nil)
- (oci-handle-alloc (deref envhp) (c-& errhp) +oci-htype-error+ 0 nil)
- (oci-handle-alloc (deref envhp) (c-& srvhp) +oci-htype-server+ 0 nil)
- ;;(osucc (oci-server-attach srvhp errhp nil 0 +oci-default+))
- (oci-handle-alloc (deref envhp) (c-& svchp) +oci-htype-svcctx+ 0 nil)
+ (oci-initialize +oci-object+ +null-void-pointer+ +null-void-pointer+
+ +null-void-pointer+ +null-void-pointer-pointer+)
+ (ignore-errors (oci-handle-alloc +null-void-pointer+ envhp
+ +oci-htype-env+ 0
+ +null-void-pointer-pointer+)) ;no testing return
+ (oci-env-init envhp +oci-default+ 0 +null-void-pointer-pointer+)
+ (oci-handle-alloc (uffi:deref-pointer envhp void-pointer) errhp
+ +oci-htype-error+ 0 +null-void-pointer-pointer+)
+ (oci-handle-alloc (uffi:deref-pointer envhp void-pointer) srvhp
+ +oci-htype-server+ 0 +null-void-pointer-pointer+)
+ (oci-server-attach (uffi:deref-pointer srvhp void-pointer)
+ (uffi:deref-pointer errhp void-pointer)
+ (uffi:make-null-pointer :unsigned-char)
+ 0 +oci-default+)
+ (oci-handle-alloc (uffi:deref-pointer envhp void-pointer) svchp
+ +oci-htype-svcctx+ 0 +null-void-pointer-pointer+)
+ (oci-attr-set (uffi:deref-pointer svchp void-pointer)
+ +oci-htype-svcctx+
+ (uffi:deref-pointer srvhp void-pointer) 0 +oci-attr-server+
+ (uffi:deref-pointer errhp void-pointer))
;; oci-handle-alloc((dvoid *)encvhp, (dvoid **)&stmthp, OCI_HTYPE_STMT, 0, 0);
- #+nil
- (oci-attr-set (deref svchp) +oci-htype-svcctx+ (deref srvhp) 0 +oci-attr-server+ errhp)
+ ;;#+nil
)
-
- #+nil
- (format t "Logging in as user '~A' to database ~A~%"
- user password data-source-name)
- (oci-logon (deref envhp) (deref errhp) (c-& svchp)
- user (length user)
- password (length password)
- data-source-name (length data-source-name))
(let ((db (make-instance 'oracle-database
:name (database-name-from-spec connection-spec
database-type)
:envhp envhp
:errhp errhp
- :db-type :oracle
+ :database-type :oracle
:svchp svchp
:dsn data-source-name
:user user)))
- ;; :date-format-length (1+ (length date-format)))))
- (sql:execute-command
- (format nil "alter session set NLS_DATE_FORMAT='~A'"
- (date-format db)) :database db)
+ (oci-logon (uffi:deref-pointer envhp void-pointer)
+ (uffi:deref-pointer errhp void-pointer)
+ svchp
+ (uffi:convert-to-cstring user) (length user)
+ (uffi:convert-to-cstring password) (length password)
+ (uffi:convert-to-cstring data-source-name) (length data-source-name)
+ :database db)
+ ;; :date-format-length (1+ (length date-format)))))
+ (uffi:with-foreign-object (buf (:array :unsigned-char 512))
+ (oci-server-version (uffi:deref-pointer svchp void-pointer)
+ (uffi:deref-pointer errhp void-pointer)
+ buf
+ 512
+ +oci-htype-svcctx+)
+ (setf *oracle-server-version* (uffi:convert-from-foreign-string buf)))
+
+ (setf (slot-value db 'clsql-sys::state) :open)
+ (database-execute-command
+ (format nil "alter session set NLS_DATE_FORMAT='~A'" (date-format db)) db)
db))))
;; Close a database connection.
(defmethod database-disconnect ((database oracle-database))
- (osucc (oci-logoff (deref (svchp database)) (deref (errhp database))))
- (osucc (oci-handle-free (deref (envhp database)) +oci-htype-env+))
+ (osucc (oci-logoff (uffi:deref-pointer (svchp database) void-pointer)
+ (uffi:deref-pointer (errhp database) void-pointer)))
+ (osucc (oci-handle-free (uffi:deref-pointer (envhp database) void-pointer)
+ +oci-htype-env+))
;; Note: It's neither required nor allowed to explicitly deallocate the
;; ERRHP handle here, since it's owned by the ENVHP deallocated above,
;; and was therefore automatically deallocated at the same time.
;;; to construct the table. The Allegro version supports several possible
;;; values for this argument, but we only support :AUTO.
-(defmethod database-query (query-expression (database oracle-database))
+(defmethod database-query (query-expression (database oracle-database) result-types field-names)
(let ((cursor (sql-stmt-exec query-expression database :types :auto)))
- (declare (type (or query-cursor null) cursor))
+ ;; (declare (type (or query-cursor null) cursor))
(if (null cursor) ; No table was returned.
(values)
(do ((reversed-result nil))
) :database database)))
-(defmethod database-execute-command
- (sql-expression (database oracle-database))
- (database-query sql-expression database)
+(defmethod database-execute-command (sql-expression (database oracle-database))
+ (database-query sql-expression database nil nil)
;; HACK HACK HACK
- (database-query "commit" database)
+ (database-query "commit" database nil nil)
t)
(sizeof (error "missing SIZE") :type fixnum :read-only t)
;; an array of +N-BUF-ROWS+ elements in C representation
(buffer (error "Missing BUFFER")
- :type alien-resource
+ :type foreign-resource
:read-only t)
;; an array of +N-BUF-ROWS+ OCI return codes in C representation.
;; (There must be one return code for every element of every
;; row in order to be able to represent nullness.)
(retcodes (error "Missing RETCODES")
- :type alien-resource
+ :type foreign-resource
:read-only t)
(indicators (error "Missing INDICATORS")
- :type alien-resource
+ :type foreign-resource
:read-only t)
;; the OCI code for the data type of a single element
(oci-data-type (error "missing OCI-DATA-TYPE")
(cd-oci-data-type cd)
(cd-sizeof cd))))
-;;; the result of a database query: a cursor through a table
-(defstruct (oracle-result-set (:print-function print-query-cursor)
- (:conc-name "QC-")
- (:constructor %make-query-cursor))
- (db (error "missing DB") ; db conn. this table is associated with
- :type db
- :read-only t)
- (stmthp (error "missing STMTHP") ; the statement handle used to create
- :type alien ; this table. owned by the QUERY-CURSOR
- :read-only t) ; object, deallocated on CLOSE-QUERY
- (cds) ; (error "missing CDS") ; column descriptors
-; :type (simple-array cd 1)
-; :read-only t)
- (n-from-oci 0 ; buffered rows: number of rows recv'd
- :type (integer 0 #.+n-buf-rows+)) ; from the database on the last read
- (n-to-dbi 0 ; number of buffered rows returned, i.e.
- :type (integer 0 #.+n-buf-rows+)) ; the index, within the buffered rows,
- ; of the next row which hasn't already
- ; been returned
- (total-n-from-oci 0 ; total number of bytes recv'd from OCI
- :type unsigned-byte) ; in all reads
- (oci-end-seen-p nil)) ; Have we seen the end of OCI
- ; data, i.e. OCI returning
- ; less data than we requested?
- ; OCI doesn't seem to like us
- ; to try to read more data
- ; from it after that..
-
(defun print-query-cursor (qc stream depth)
(declare (ignore depth))
(print-unreadable-object (qc stream :type t :identity t)
(defmethod database-query-result-set ((query-expression string)
(database oracle-database)
- &key full-set types)
+ &key full-set result-types)
)
(defmethod database-dump-result-set (result-set (database oracle-database))
(defmethod database-store-next-row (result-set (database oracle-database) list)
)
-(defmethod sql-sys::database-start-transaction ((database oracle-database))
+(defmethod clsql-sys::database-start-transaction ((database oracle-database))
(call-next-method))
;;(with-slots (svchp errhp) database
-;; (osucc (oci-trans-start (deref svchp)
-;; (deref errhp)
+;; (osucc (oci-trans-start (uffi:deref-pointer svchp)
+;; (uffi:deref-pointer errhp)
;; 60
;; +oci-trans-new+)))
;; t)
-(defmethod sql-sys::database-commit-transaction ((database oracle-database))
+(defmethod clsql-sys::database-commit-transaction ((database oracle-database))
(call-next-method)
(with-slots (svchp errhp) database
- (osucc (oci-trans-commit (deref svchp)
- (deref errhp)
+ (osucc (oci-trans-commit (uffi:deref-pointer svchp void-pointer)
+ (uffi:deref-pointer errhp void-pointer)
0)))
t)
-(defmethod sql-sys::database-abort-transaction ((database oracle-database))
+(defmethod clsql-sys::database-abort-transaction ((database oracle-database))
(call-next-method)
- (osucc (oci-trans-rollback (deref (svchp database))
- (deref (errhp database))
+ (osucc (oci-trans-rollback (uffi:deref-pointer (svchp database) void-pointer)
+ (uffi:deref-pointer (errhp database) void-pointer)
0))
t)
buf)))
+;; Specifications
+
+(defmethod db-type-has-bigint? ((type (eql :oracle)))
+ nil)