(lmdb-count db)

Returns number of key-value pairs in open LMDB database handle

Parameter	Description
db	database handle

Example

> (define db (lmdb-open "test.db"))
> (lmdb-set! db 'test 123)
#t
> (lmdb-set! db 'test2 456)
#t
> (lmdb-count db)
2
> (lmdb-index db)
(test test2)
> (lmdb-close db)