+# lmdb lookup
+exim -be
+${lookup{first}lmdb{DIR/aux-fixed/TESTNUM.mdb}}
+${lookup{first}lmdb{DIR/aux-fixed/TESTNUM.mdb}{$value}fail}
+${lookup{fail}lmdb{DIR/aux-fixed/TESTNUM.mdb}{$value}{failure value}}
+${lookup{fail}lmdb{DIR/aux-fixed/TESTNUM.mdb}{$value}fail}
+${lookup{second}lmdb{DIR/aux-fixed/TESTNUM.mdb}{$value}fail}
+${extract{A}{${lookup{second}lmdb{DIR/aux-fixed/TESTNUM.mdb}{$value}fail}}}
+${extract{B}{${lookup{second}lmdb{DIR/aux-fixed/TESTNUM.mdb}{$value}fail}}}
+${extract{C}{${lookup{second}lmdb{DIR/aux-fixed/TESTNUM.mdb}{$value}fail}}{$value}fail}
+****