Created
October 10, 2012 14:57
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query-prepared and flet-prepared for postmodern
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(defmacro query-preparing (query &rest args/format) | |
"Like query, but make the query prepared (only once)." | |
(let* ((format :rows) | |
(args (loop for arg in args/format | |
if (or (postmodern::dao-spec-for-format arg) | |
(assoc arg postmodern::*result-styles*)) | |
do (setf format arg) | |
else | |
collect arg))) | |
`(funcall | |
(load-time-value | |
(prepare ,query ,format)) | |
,@args))) | |
(defmacro flet-prepared (&whole whole | |
(#1=(name (&rest args) (query &rest query-args) &optional (format :row)) | |
&rest rest-definitions) | |
&body body) | |
"like defprepared-with-names, but only bound locally" | |
(declare (ignorable name args query query-args format rest-definitions)) | |
(labels ((generate-flet-clause (spec) | |
(destructuring-bind #1# spec | |
`(,name ,args | |
(funcall | |
(load-time-value | |
(prepare ,query ,format)) | |
,@query-args))))) | |
`(flet ,(mapcar #'generate-flet-clause (second (ldiff whole body))) | |
(locally ,@body)))) |
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