Sha256: 4a12ac4d110dddcbdb4381af29a459660b26c48cc9d2d446e897039b4283de30
Contents?: true
Size: 947 Bytes
Versions: 12
Compression:
Stored size: 947 Bytes
Contents
module Bmg
module Sql
class Processor
class LimitOffset < Processor
def initialize(limit, offset, builder)
super(builder)
@limit = limit
@offset = offset
end
attr_reader :limit, :offset
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_exp(sexpr)
sexpr = builder.from_self(sexpr) if must_from_self?(sexpr)
limit_clause = builder.limit_clause(limit)
offset_clause = builder.offset_clause(offset)
sexpr.with_push(limit_clause, offset_clause)
end
private
def must_from_self?(sexpr)
sexpr.limit_or_offset?
end
end # class LimitOffset
end # class Processor
end # module Sql
end # module Bmg
Version data entries
12 entries across 12 versions & 1 rubygems