ByteDurableDb.get.sst.loop: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend as ByteDurableDb
Lines 1124-1167 of mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&start_line=1124&end_line=1167

import Base
import mylsm-lsm-store@0.6.0.1/src/ByteMemTable.bend as ByteMemTable
import mylsm-lsm-store@0.6.0.1/src/DbLock.bend as DbLock
import mylsm-lsm-store@0.6.0.1/src/scan/SstCursor.bend as SstCursor
import mylsm-lsm-store@0.6.0.1/src/scan/VisibleStats.bend as VisibleStats
import bend-kit-bytes@0.3.2.0/bytes.bend as Bytes

def get.sst.loop(
  fuel: Nat,
  +path: String,
  lock: DbLock.Lock,
  table: ByteMemTable.Table,
  state: PointRead
) -> IO(Handle & Result<&1, &1, Error, Maybe<&1, Bytes.Bytes>>):
  match fuel:
    case 0n:
      get.sst.exhausted(path, lock, table, state)
    case 1n+rest:
      match state:
        case Need{cursor, query}:
          do IO<Handle & Result<&1, &1, Error, Maybe<&1, Bytes.Bytes>>>:
            step : SstCursor.Step <- SstCursor.next(cursor)
            get.sst.loop(rest, path, lock, table, Read{step, query})
        case Read{step, query}:
          match step:
            case SstCursor.Item{entry, cursor}:
              match entry:
                case ByteMemTable.Entry{key, val}:
                  match val:
                    case None{}:
                      get.sst.loop(rest, path, lock, table, Need{cursor, query})
                    case Some{value}:
                      get.sst.loop(rest, path, lock, table,
                        get.sst.compare.order(value, cursor, key,
                          ByteMemTable.bytes.clone(query)))
            case SstCursor.Skip{cursor}:
              get.sst.loop(rest, path, lock, table, Need{cursor, query})
            case SstCursor.End{}:
              IO.pure(Handle & Result<&1, &1, Error, Maybe<&1, Bytes.Bytes>>,
                (Handle{path, lock, table, Open{}, VisibleStats.Stats{0n, 0n}}, Done{None{}}))
            case SstCursor.Error{(code, message)}:
              IO.pure(Handle & Result<&1, &1, Error, Maybe<&1, Bytes.Bytes>>,
                (Handle{path, lock, table, Open{}, VisibleStats.Stats{0n, 0n}}, Fail{recovery.error(code, message)}))
        case Compare{value, cursor, query, order}:
          match order:
            case EQ{}:
              get.sst.closed(path, lock, table, Some{value}, cursor)
            case GT{}:
              get.sst.closed(path, lock, table, None{}, cursor)
            case LT{}:
              get.sst.loop(rest, path, lock, table, Need{cursor, query})

Uses (26):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Cmp
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO.bind
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO.pure
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=Handle
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=HandleState
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=PointRead
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=get.sst.closed
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=get.sst.compare.order
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=get.sst.exhausted
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=recovery.error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteMemTable.bend&name=Entry
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteMemTable.bend&name=Table
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteMemTable.bend&name=bytes.clone
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/DbLock.bend&name=Lock
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/SstCursor.bend&name=Step
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/SstCursor.bend&name=next
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/VisibleStats.bend&name=Stats