nimbus-eth1/nimbus/db/kvt/kvt_init/rocks_db/rdb_walk.nim

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1.5 KiB
Nim

# nimbus-eth1
# Copyright (c) 2023-2024 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
# http://www.apache.org/licenses/LICENSE-2.0)
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
# http://opensource.org/licenses/MIT)
# at your option. This file may not be copied, modified, or distributed
# except according to those terms.
## Rocks DB store data iterator
## ============================
##
{.push raises: [].}
import
eth/common,
rocksdb,
./rdb_desc
const
extraTraceMessages = false
## Enable additional logging noise
when extraTraceMessages:
import
chronicles
logScope:
topics = "aristo-rocksdb"
# ------------------------------------------------------------------------------
# Public iterators
# ------------------------------------------------------------------------------
iterator walk*(rdb: RdbInst): tuple[key: Blob, data: Blob] =
## Walk over all key-value pairs of the database.
##
## Non-decodable entries are stepped over and ignored.
block walkBody:
let rit = rdb.store[KvtGeneric].openIterator().valueOr:
when extraTraceMessages:
trace logTxt "walk", pfx="all", error
break walkBody
defer: rit.close()
for (key,val) in rit.pairs:
if 0 < key.len:
yield (key, val)
# ------------------------------------------------------------------------------
# End
# ------------------------------------------------------------------------------