Method: Aerospike::Exp::List.get_by_value

Defined in:
lib/aerospike/exp/exp_list.rb

.get_by_value(return_type, value, bin, ctx: nil) ⇒ Object

Create expression that selects list items identified by value and returns selected data specified by return_type.

Examples

# List bin “a” contains at least one item == “abc” Exp.gt(

ListExp.getByValue(CDT::ListReturnType::COUNT, Exp.val("abc"), Exp.listBin("a")),
Exp.val(0))

end</pre>

Parameters:

  • return_type —

    metadata attributes to return. See CDT::ListReturnType

  • value —

    search expression

  • bin —

    list bin or list value expression

  • ctx (defaults to: nil) —

    optional context path for nested CDT

[View source]

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# File 'lib/aerospike/exp/exp_list.rb', line 200

def self.get_by_value(return_type, value, bin, ctx: nil)
  bytes = Exp.pack(ctx, GET_BY_VALUE, return_type, value)
  add_read(bin, bytes, get_value_type(return_type))
end