diff options
Diffstat (limited to 'dbinterp.scm')
| -rw-r--r-- | dbinterp.scm | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/dbinterp.scm b/dbinterp.scm index 2bd4e20..3444fbb 100644 --- a/dbinterp.scm +++ b/dbinterp.scm @@ -17,12 +17,10 @@ ;promotional, or sales literature without prior written consent in ;each case. -(require 'rev4-optional-procedures) ; list-tail - ;;; The procedures returned by MEMOIZE are not reentrant! (define (dbinterp:memoize proc k) (define recent (vector->list (make-vector k '(#f)))) - (let ((tailr (list-tail recent (+ -1 k)))) + (let ((tailr (last-pair recent))) (lambda args (define asp (assoc args recent)) (if asp @@ -35,8 +33,8 @@ ;;@ This procedure works only for tables with a single primary key. (define (interpolate-from-table table column) - (define get (dbinterp:memoize (table 'get column) 3)) - (define prev (dbinterp:memoize (table 'isam-prev) 3)) + (define get (table 'get column)) + (define prev (table 'isam-prev)) (define next (table 'isam-next)) (dbinterp:memoize (lambda (x) |