refactor the way oodml find-all and select deal with their keyword args.

[clsql.git] / sql / utils.lisp

diff --git a/sql/utils.lisp b/sql/utils.lisp
index 34cd5dc8c4d5ae9a1daa8b533d9cf22dba3f091d..60fedc3f971d4a8fd6b9b2d39471dfcb5350064d 100644 (file)
--- a/sql/utils.lisp
+++ b/sql/utils.lisp
@@ -43,6 +43,7 @@
 (defun float-to-sql-string (num)
   "Convert exponent character for SQL"
   (let ((str (write-to-string num :readably t)))
+    (declare (type string str))
     (cond
      ((find #\f str)
       (substitute #\e #\f str))
@@ -125,6 +126,7 @@
 
 (defun substitute-string-for-char (procstr match-char subst-str)
 "Substitutes a string for a single matching character of a string"
+  (declare (type string procstr))
   (let ((pos (position match-char procstr)))
     (if pos
         (concatenate 'string
@@ -166,6 +168,7 @@
     (setq pos (1+ end))))
 
 (defun string-to-list-connection-spec (str)
+  (declare (type string str))
   (let ((at-pos (position-char #\@ str 0 (length str))))
     (cond
       ((and at-pos (> (length str) at-pos))
@@ -390,4 +393,15 @@ is replaced with replacement. [FROM http://cl-cookbook.sourceforge.net/strings.h
          when pos do (write-string replacement out)
            while pos)
     (unless stream
-      (get-output-stream-string out))))
\ No newline at end of file
+      (get-output-stream-string out))))
+
+
+(defun filter-plist (plist &rest keys-to-remove)
+  "Returns a copy of the given plist with indicated key-value pairs
+removed. keys are searched with #'MEMBER"
+  (declare (dynamic-extent keys-to-remove))
+  (when plist
+    (loop for (k v . rest) = plist then rest
+          unless (member k keys-to-remove)
+            collect k and collect v
+          while rest)))