trait Cursor[F[_], A] extends AnyRef
An open cursor from which rows can be fetched, valid during the lifetime its defining Session
.
You can use this mechanism to implement chunked reads and paged results, although it is ofen
more pleasant to use a Cursor
-backed Stream
, as produced by PreparedQuery#stream.
- Self Type
- Cursor[F, A]
- Source
- Cursor.scala
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Abstract Value Members
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abstract
def
fetch(maxRows: Int): F[(List[A], Boolean)]
Fetch up to
maxRows
from thiscursor
, yielding a list of values and a boolean,true
if more rows are available,false
otherwise.
Concrete Value Members
-
final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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def
clone(): AnyRef
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final
def
eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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def
finalize(): Unit
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final
def
getClass(): Class[_]
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def
hashCode(): Int
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final
def
isInstanceOf[T0]: Boolean
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-
def
mapK[G[_]](fk: ~>[F, G]): Cursor[G, A]
Transform this
Cursor
by a givenFunctionK
. -
final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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def
synchronized[T0](arg0: ⇒ T0): T0
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def
toString(): String
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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