X-Git-Url: http://git.kpe.io/?p=clsql.git;a=blobdiff_plain;f=db-oracle%2Foracle-sql.lisp;h=8ef460229a203916744008f860aa007f7e5b4ed8;hp=3c6c226592edbd3d26c27ca7a69ba626320aef63;hb=333e8280f2f3438ffd379349bc9746c34cccc159;hpb=99df5f6ad5b46a65d5698ebb85f95fa71f861da5 diff --git a/db-oracle/oracle-sql.lisp b/db-oracle/oracle-sql.lisp index 3c6c226..8ef4602 100644 --- a/db-oracle/oracle-sql.lisp +++ b/db-oracle/oracle-sql.lisp @@ -31,8 +31,11 @@ Setting this constant to a moderate value should make it less likely that we'll have to worry about the CMUCL limit.")) +(uffi:def-type vp-type :pointer-void) +(uffi:def-type vpp-type (* :pointer-void)) + (defmacro deref-vp (foreign-object) - `(uffi:deref-pointer ,foreign-object :pointer-void)) + `(the vp-type (uffi:deref-pointer (the vpp-type ,foreign-object) :pointer-void))) ;; constants - from OCI? @@ -51,8 +54,8 @@ likely that we'll have to worry about the CMUCL limit.")) (eval-when (:compile-toplevel :load-toplevel :execute) (defconstant SQLT-NUMBER 2) (defconstant SQLT-INT 3) - (defconstant SQLT-STR 5) (defconstant SQLT-FLT 4) + (defconstant SQLT-STR 5) (defconstant SQLT-DATE 12)) ;;; Note that despite the suggestive class name (and the way that the @@ -105,7 +108,7 @@ output format. In order to extract date strings from output buffers holding multiple date strings in fixed-width fields, we need to know the length of that format.") (server-version - :type string + :type (or null string) :initarg :server-version :reader server-version :documentation @@ -117,7 +120,7 @@ the length of that format.") :documentation "The major version number of the Oracle server, should be 8, 9, or 10") (client-version - :type string + :type (or null string) :initarg :client-version :reader client-version :documentation @@ -136,8 +139,7 @@ the length of that format.") (defun handle-oci-error (&key database nulls-ok) (cond (database - (with-slots (errhp) - database + (with-slots (errhp) database (uffi:with-foreign-objects ((errbuf '(:array :unsigned-char #.+errbuf-len+)) (errcode :long)) @@ -193,36 +195,21 @@ the length of that format.") (setf debug::*debug-print-length* nil)) -;;;; the OCI library, part V: converting from OCI representations to Lisp -;;;; representations - ;; Return the INDEXth string of the OCI array, represented as Lisp ;; SIMPLE-STRING. SIZE is the size of the fixed-width fields used by ;; Oracle to store strings within the array. -;; In the wild world of databases, trailing spaces aren't generally -;; significant, since e.g. "LARRY " and "LARRY " are the same string -;; stored in different fixed-width fields. OCI drops trailing spaces -;; for us in some cases but apparently not for fields of fixed -;; character width, e.g. -;; -;; (dbi:sql "create table employees (name char(15), job char(15), city -;; char(15), rate float)" :db orcl :types :auto) -;; 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 string-pointer arrayptr)) (declare (type (mod #.+n-buf-rows+) string-index)) (declare (type (and unsigned-byte fixnum) size)) - (let* ((raw (uffi:convert-from-foreign-string - (uffi:make-pointer - (+ (uffi:pointer-address arrayptr) (* string-index size)) - :unsigned-char))) - (trimmed (string-trim " " raw))) - (if (equal trimmed "NULL") nil trimmed))) + (let ((str (uffi:convert-from-foreign-string + (uffi:make-pointer + (+ (uffi:pointer-address arrayptr) (* string-index size)) + :unsigned-char)))) + (if (string-equal str "NULL") nil str))) ;; the OCI library, part Z: no-longer used logic to convert from ;; Oracle's binary date representation to Common Lisp's native date @@ -298,30 +285,6 @@ the length of that format.") table)))) (mapcar #'car (database-query query database nil nil)))) -(defmethod list-all-table-columns (table (db oracle-database)) - (declare (string table)) - (let* ((sql-stmt (concatenate - 'simple-string - "select " - "''," - "all_tables.OWNER," - "''," - "user_tab_columns.COLUMN_NAME," - "user_tab_columns.DATA_TYPE from user_tab_columns," - "all_tables where all_tables.table_name = '" table "'" - " and user_tab_columns.table_name = '" table "'")) - (preresult (database-query sql-stmt db :auto nil))) - ;; PRERESULT is like RESULT except that it has a name instead of - ;; type codes in the fifth column of each row. To fix this, we - ;; destructively modify PRERESULT. - (dolist (preresult-row preresult) - (setf (fifth preresult-row) - (if (find (fifth preresult-row) - #("NUMBER" "DATE") - :test #'string=) - 2 ; numeric - 1))) ; string - preresult)) (defmethod database-list-attributes (table (database oracle-database) &key owner) (let ((query @@ -603,20 +566,24 @@ the length of that format.") ;; debugging only +(uffi:def-type byte-pointer (* :byte)) +(uffi:def-type ulong-pointer (* :unsigned-long)) +(uffi:def-type void-pointer-pointer (* :void-pointer)) + (defun make-query-cursor-cds (database stmthp result-types field-names) (declare (optimize (safety 3) #+nil (speed 3)) (type oracle-database database) (type pointer-pointer-void stmthp)) (with-slots (errhp) database (uffi:with-foreign-objects ((dtype-foreign :unsigned-short) - (parmdp ':pointer-void) - (precision :byte) - (scale :byte) - (colname '(* :unsigned-char)) - (colnamelen :unsigned-long) - (colsize :unsigned-long) - (colsizesize :unsigned-long) - (defnp ':pointer-void)) + (parmdp :pointer-void) + (precision :byte) + (scale :byte) + (colname '(* :unsigned-char)) + (colnamelen :unsigned-long) + (colsize :unsigned-long) + (colsizesize :unsigned-long) + (defnp ':pointer-void)) (let ((buffer nil) (sizeof nil)) (do ((icolumn 0 (1+ icolumn)) @@ -637,6 +604,7 @@ the length of that format.") +oci-attr-data-type+ (deref-vp errhp)) (let ((dtype (uffi:deref-pointer dtype-foreign :unsigned-short))) + (declare (fixnum dtype)) (case dtype (#.SQLT-DATE (setf buffer (acquire-foreign-resource :unsigned-char @@ -657,9 +625,10 @@ the length of that format.") (deref-vp errhp)) (let ((*scale (uffi:deref-pointer scale :byte)) (*precision (uffi:deref-pointer precision :byte))) - ;;(format t "scale=~d, precision=~d~%" *scale *precision) + + ;; (format t "scale=~d, precision=~d~%" *scale *precision) (cond - ((or (zerop *scale) + ((or (and (zerop *scale) (not (zerop *precision))) (and (minusp *scale) (< *precision 10))) (setf buffer (acquire-foreign-resource :int +n-buf-rows+) sizeof 4 ;; sizeof(int) @@ -667,11 +636,11 @@ the length of that format.") (t (setf buffer (acquire-foreign-resource :double +n-buf-rows+) sizeof 8 ;; sizeof(double) - dtype #.SQLT-FLT)))) ) + dtype #.SQLT-FLT))))) ;; Default to SQL-STR - (t - (setf (uffi:deref-pointer colsize :unsigned-long) 0 - dtype #.SQLT-STR) + (t + (setf (uffi:deref-pointer colsize :unsigned-long) 0) + (setf dtype #.SQLT-STR) (oci-attr-get (deref-vp parmdp) +oci-dtype-param+ colsize @@ -841,7 +810,9 @@ the length of that format.") (setf (slot-value db 'clsql-sys::state) :open) (database-execute-command (format nil "ALTER SESSION SET NLS_DATE_FORMAT='~A'" (date-format db)) db) - (let ((server-version (caar (database-query "SELECT BANNER FROM V$VERSION WHERE BANNER LIKE '%Oracle%'" db nil nil)))) + (let ((server-version + (caar (database-query + "SELECT BANNER FROM V$VERSION WHERE BANNER LIKE '%Oracle%'" db nil nil)))) (setf (slot-value db 'server-version) server-version (slot-value db 'major-server-version) (major-client-version-from-string server-version))) @@ -910,18 +881,14 @@ the length of that format.") (push row reversed-result)))))) -(defmethod database-create-sequence - (sequence-name (database oracle-database)) +(defmethod database-create-sequence (sequence-name (database oracle-database)) (execute-command - (concatenate 'string "CREATE SEQUENCE " - (sql-escape sequence-name)) + (concatenate 'string "CREATE SEQUENCE " (sql-escape sequence-name)) :database database)) -(defmethod database-drop-sequence - (sequence-name (database oracle-database)) +(defmethod database-drop-sequence (sequence-name (database oracle-database)) (execute-command - (concatenate 'string "DROP SEQUENCE " - (sql-escape sequence-name)) + (concatenate 'string "DROP SEQUENCE " (sql-escape sequence-name)) :database database)) (defmethod database-sequence-next (sequence-name (database oracle-database)) @@ -933,16 +900,17 @@ the length of that format.") ) database :auto nil))) -(defmethod database-set-sequence-position (name position database) - (let* ((next (database-sequence-next name database)) - (incr (- position next))) - (database-execute-command - (format nil "ALTER SEQUENCE ~A INCREMENT BY ~D" name incr) - database) - (database-sequence-next name database) - (database-execute-command - (format nil "ALTER SEQUENCE ~A INCREMENT BY 1" name) - database))) +(defmethod database-set-sequence-position (name position (database oracle-database)) + (without-interrupts + (let* ((next (database-sequence-next name database)) + (incr (- position next))) + (database-execute-command + (format nil "ALTER SEQUENCE ~A INCREMENT BY ~D" name incr) + database) + (database-sequence-next name database) + (database-execute-command + (format nil "ALTER SEQUENCE ~A INCREMENT BY 1" name) + database)))) (defmethod database-list-sequences ((database oracle-database) &key owner) (let ((query @@ -955,8 +923,8 @@ the length of that format.") (defmethod database-execute-command (sql-expression (database oracle-database)) (database-query sql-expression database nil nil) - ;; HACK HACK HACK - (database-query "commit" database nil nil) + (when (database-autocommit database) + (oracle-commit database)) t) @@ -1024,54 +992,36 @@ the length of that format.") do (setf (nth i list) (nth i row))) list))) -(defmethod clsql-sys:database-start-transaction ((database oracle-database)) - (call-next-method)) +(defmethod database-start-transaction ((database oracle-database)) + (call-next-method) + ;; Not needed with simple transaction + #+ignore + (with-slots (svchp errhp) database + (oci-trans-start (deref-vp svchp) + (deref-vp errhp) + 60 + +oci-trans-new+)) + t) -;;(with-slots (svchp errhp) database -;; (osucc (oci-trans-start (uffi:deref-pointer svchp) -;; (uffi:deref-pointer errhp) -;; 60 -;; +oci-trans-new+))) -;; t) - -(defmethod clsql-sys:database-commit-transaction ((database oracle-database)) - (call-next-method) +(defun oracle-commit (database) (with-slots (svchp errhp) database - (osucc (oci-trans-commit (deref-vp svchp) - (deref-vp errhp) - 0))) + (osucc (oci-trans-commit (deref-vp svchp) + (deref-vp errhp) + 0)))) + +(defmethod database-commit-transaction ((database oracle-database)) + (call-next-method) + (oracle-commit database) t) -(defmethod clsql-sys:database-abort-transaction ((database oracle-database)) +(defmethod database-abort-transaction ((database oracle-database)) (call-next-method) (osucc (oci-trans-rollback (deref-vp (svchp database)) (deref-vp (errhp database)) 0)) t) -(defparameter *constraint-types* - '(("NOT-NULL" . "NOT NULL"))) - -(defmethod database-output-sql ((str string) (database oracle-database)) - (if (and (null (position #\' str)) - (null (position #\\ str))) - (format nil "'~A'" str) - (let* ((l (length str)) - (buf (make-string (+ l 3)))) - (setf (aref buf 0) #\') - (do ((i 0 (incf i)) - (j 1 (incf j))) - ((= i l) (setf (aref buf j) #\')) - (if (= j (- (length buf) 1)) - (setf buf (adjust-array buf (+ (length buf) 1)))) - (cond ((eql (aref str i) #\') - (setf (aref buf j) #\') - (incf j))) - (setf (aref buf j) (aref str i))) - buf))) - - ;; Specifications (defmethod db-type-has-bigint? ((type (eql :oracle)))