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Arel::Visitors::Firebird

Public Instance Methods

visit_Arel_Nodes_SelectStatement(o) click to toggle source
# File lib/arel/visitors/firebird.rb, line 6
def visit_Arel_Nodes_SelectStatement o
  lim_off = [
    ("FIRST #{visit(o.limit.expr)}" if o.limit),
    ("SKIP #{visit(o.offset.expr)}" if o.offset)
  ].compact.join(' ').strip

  sql = [
   o.cores.map { |x| visit_Arel_Nodes_SelectCore x }.join,
   ("ORDER BY #{o.orders.map { |x| visit x }.join(', ')}" unless o.orders.empty?),
  ].compact.join ' '

  sql.sub!(/\A(\s*SELECT\s)/, '\&' + lim_off + ' ') unless lim_off.empty?

  sql
end

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