X-Git-Url: http://git.kpe.io/?p=clsql.git;a=blobdiff_plain;f=db-oracle%2Foracle-sql.lisp;h=9a7db75de7461afe46687ec1510a27819c177c38;hp=dfc3a155ae59a333f8255a95b50e57ddaf2723ed;hb=7cc407732ccb8437d1b38f2d8cce2c648f98dd45;hpb=5c67b804b62d2970685ebd8d28c88446457be975 diff --git a/db-oracle/oracle-sql.lisp b/db-oracle/oracle-sql.lisp index dfc3a15..9a7db75 100644 --- a/db-oracle/oracle-sql.lisp +++ b/db-oracle/oracle-sql.lisp @@ -196,36 +196,21 @@ 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