Create expression that selects map item identified by key and returns selected data
specified by returnType.
Namespace: Aerospike.Client
Assembly: AerospikeClient (in AerospikeClient.dll) Version: 5.1.1.0 (5.1.1)
Syntax
C#
public static Exp GetByKey( MapReturnType returnType, ExpType valueType, Exp key, Exp bin, params CTX[] ctx )
Parameters
- returnType
- Type: Aerospike.ClientMapReturnType
metadata attributes to return. See MapReturnType - valueType
- Type: Aerospike.ClientExpType
expected type of return value - key
- Type: Aerospike.ClientExp
map key expression - bin
- Type: Aerospike.ClientExp
bin or map value expression - ctx
- Type: Aerospike.ClientCTX
optional context path for nested CDT
Return Value
Type: ExpExamples
// Map bin "a" contains key "B" Exp.GT( MapExp.GetByKey(MapReturnType.COUNT, Type.INT, Exp.Val("B"), Exp.MapBin("a")), Exp.Val(0));
See Also