Sha256: d30b3c162a0084a3b850b730da911f7a5aeb8c66ba352dd8b27634fb6951a265
Contents?: true
Size: 861 Bytes
Versions: 16
Compression:
Stored size: 861 Bytes
Contents
module Bmg
module Sql
class Processor
class Extend < Processor
def initialize(extension, builder)
super(builder)
@extension = extension
end
attr_reader :extension
def on_set_operator(sexpr)
apply(builder.from_self(sexpr))
end
alias :on_union :on_set_operator
alias :on_except :on_set_operator
alias :on_intersect :on_set_operator
def on_select_star(sexpr)
raise NotImplementedError, "Extend on * is not supported"
end
def on_select_list(sexpr)
sexpr + extension.each_pair.map{|(k,v)|
desaliased = sexpr.desaliaser[v]
[:select_item, desaliased, [:column_name, k] ]
}
end
end # class Extend
end # class Processor
end # module Sql
end # module Bmg
Version data entries
16 entries across 16 versions & 1 rubygems