logos-storage/nim-datastore
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add support for batch deletes

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munna0908 2025-03-27 21:28:53 +05:30
parent 39000fd4fc
commit 237f2d2b8a
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3 changed files with 16 additions and 0 deletions
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3
datastore/datastore.nim
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@ -25,6 +25,9 @@ method delete*(self: Datastore, key: Key): Future[?!void] {.base, gcsafe, locks:
method delete*(self: Datastore, keys: seq[Key]): Future[?!void] {.base, gcsafe, locks: "unknown".} = method delete*(self: Datastore, keys: seq[Key]): Future[?!void] {.base, gcsafe, locks: "unknown".} =
raiseAssert("Not implemented!") raiseAssert("Not implemented!")
method batchDelete*(self: Datastore, keys: seq[Key]): Future[?!void] {.base, gcsafe, locks: "unknown".} =
raiseAssert("Not implemented!")
method get*(self: Datastore, key: Key): Future[?!seq[byte]] {.base, gcsafe, locks: "unknown".} = method get*(self: Datastore, key: Key): Future[?!seq[byte]] {.base, gcsafe, locks: "unknown".} =
raiseAssert("Not implemented!") raiseAssert("Not implemented!")

10
datastore/leveldb/leveldbds.nim
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@ -40,6 +40,16 @@ method delete*(self: LevelDbDatastore, keys: seq[Key]): Future[?!void] {.async.}
return failure(err.msg) return failure(err.msg)
return success() return success()
method batchDelete*(self: LevelDbDatastore, keys: seq[Key]): Future[?!void] {.async.} =
try:
let b = newBatch()
for key in keys:
b.delete($key)
self.db.write(b)
return success()
except LevelDbException as e:
return failure("LevelDbDatastore.batchDelete exception: " & e.msg)
method get*(self: LevelDbDatastore, key: Key): Future[?!seq[byte]] {.async.} = method get*(self: LevelDbDatastore, key: Key): Future[?!seq[byte]] {.async.} =
try: try:
let str = self.db.get($key) let str = self.db.get($key)

3
datastore/typedds.nim
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@ -83,6 +83,9 @@ proc delete*(self: TypedDatastore, key: Key): Future[?!void] {.async.} =
proc delete*(self: TypedDatastore, keys: seq[Key]): Future[?!void] {.async.} = proc delete*(self: TypedDatastore, keys: seq[Key]): Future[?!void] {.async.} =
await self.ds.delete(keys) await self.ds.delete(keys)
proc batchDelete*(self: TypedDatastore, keys: seq[Key]): Future[?!void] {.async.} =
await self.ds.batchDelete(keys)
proc close*(self: TypedDatastore): Future[?!void] {.async.} = proc close*(self: TypedDatastore): Future[?!void] {.async.} =
await self.ds.close() await self.ds.close()