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https://github.com/logos-storage/nim-datastore.git
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43 lines
718 B
Nim
43 lines
718 B
Nim
import pkg/upraises
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import pkg/chronos
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import ./key
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type
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SortOrder* {.pure.} = enum
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Assending,
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Descensing
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Query* = object
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key*: Key
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value*: bool
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limit*: int
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skip*: int
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sort*: SortOrder
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QueryResponse* = tuple[key: Key, data: seq[byte]]
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GetNext* = proc(): Future[QueryResponse] {.upraises: [], gcsafe, closure.}
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QueryIter* = object
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finished: bool
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next*: GetNext
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iterator items*(q: QueryIter): Future[QueryResponse] =
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while not q.finished:
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yield q.next()
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proc init*(
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T: type Query,
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key: Key,
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value = false,
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sort = SortOrder.Descensing,
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skip = 0,
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limit = 0): T =
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T(
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key: key,
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value: value,
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sort: sort,
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skip: skip,
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limit: limit)
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