class MongoQL::Stage::Unwind
Attributes
allow_null[RW]
ctx[RW]
path[RW]
Public Class Methods
new(ctx, path, allow_null: false)
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# File lib/mongo_ql/stage/unwind.rb, line 7 def initialize(ctx, path, allow_null: false) @ctx = ctx @path = to_expression(path) @allow_null = allow_null end
Public Instance Methods
to_ast()
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# File lib/mongo_ql/stage/unwind.rb, line 13 def to_ast ast = { "$unwind" => { "path" => path, "preserveNullAndEmptyArrays" => allow_null } } MongoQL::Utils.deep_transform_values(ast, &MongoQL::EXPRESSION_TO_AST_MAPPER) end