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Contents
module Arel
module Nodes
class SelectCore < Arel::Nodes::Node
attr_accessor :top, :projections, :wheres, :groups, :windows
attr_accessor :havings, :source, :set_quantifier
def initialize
super()
@source = JoinSource.new nil
@top = nil
# http://savage.net.au/SQL/sql-92.bnf.html#set%20quantifier
@set_quantifier = nil
@projections = []
@wheres = []
@groups = []
@havings = []
@windows = []
end
def from
@source.left
end
def from= value
@source.left = value
end
alias :froms= :from=
alias :froms :from
def initialize_copy other
super
@source = @source.clone if @source
@projections = @projections.clone
@wheres = @wheres.clone
@groups = @groups.clone
@havings = @havings.clone
@windows = @windows.clone
end
def hash
[
@source, @top, @set_quantifier, @projections,
@wheres, @groups, @havings, @windows
].hash
end
def eql? other
self.class == other.class &&
self.source == other.source &&
self.top == other.top &&
self.set_quantifier == other.set_quantifier &&
self.projections == other.projections &&
self.wheres == other.wheres &&
self.groups == other.groups &&
self.havings == other.havings &&
self.windows == other.windows
end
alias :== :eql?
end
end
end
Version data entries
15 entries across 15 versions & 4 rubygems