module Arel
module Visitors
class Informix < Arel::Visitors::ToSql
private
def visit_Arel_Nodes_SelectStatement o, a
[
"SELECT",
(visit(o.offset, a) if o.offset),
(visit(o.limit, a) if o.limit),
o.cores.map { |x| visit_Arel_Nodes_SelectCore x, a }.join,
("ORDER BY #{o.orders.map { |x| visit x, a }.join(', ')}" unless o.orders.empty?),
(visit(o.lock, a) if o.lock),
].compact.join ' '
end
def visit_Arel_Nodes_SelectCore o, a
[
"#{o.projections.map { |x| visit x, a }.join ', '}",
("FROM #{visit(o.source, a)}" if o.source && !o.source.empty?),
("WHERE #{o.wheres.map { |x| visit x, a }.join ' AND ' }" unless o.wheres.empty?),
("GROUP BY #{o.groups.map { |x| visit x, a }.join ', ' }" unless o.groups.empty?),
(visit(o.having, a) if o.having),
].compact.join ' '
end
def visit_Arel_Nodes_Offset o, a
"SKIP #{visit o.expr, a}"
end
def visit_Arel_Nodes_Limit o, a
"LIMIT #{visit o.expr, a}"
end
end
end
end