- mdb-cursor-renew txn cursorprocedure
Renew a cursor handle.
A cursor is associated with a specific transaction and database. Cursors that are only used in read-only transactions may be re-used, to avoid unnecessary malloc/free overhead. The cursor may be associated with a new read-only transaction, and referencing the same database handle as it was created with. This may be done whether the previous transaction is live or dead.
- A transaction handle returned by (mdb-txn-begin)
- A cursor handle returned by (mdb-cursor-open)
Some possible error conditions:
- (exn lmdb EINVAL)
- an invalid parameter was specified.