class MongoQL::Stage::Group
Attributes
by[RW]
ctx[RW]
fields[RW]
Public Class Methods
new(ctx, by, arrow_fields = {}, **fields)
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# File lib/mongo_ql/stage/group.rb, line 8 def initialize(ctx, by, arrow_fields = {}, **fields) @ctx = ctx @by = by @fields = fields.transform_keys(&:to_s).merge(arrow_fields.transform_keys(&:to_s)) end
Public Instance Methods
to_ast()
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# File lib/mongo_ql/stage/group.rb, line 14 def to_ast ast = { "$group" => { "_id" => by, }.merge(fields) } MongoQL::Utils.deep_transform_values(ast, &MongoQL::EXPRESSION_TO_AST_MAPPER) end