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module Arel
module Visitors
class Informix < Arel::Visitors::ToSql
private
def visit_Arel_Nodes_SelectStatement o, collector
collector << "SELECT "
collector = maybe_visit o.offset, collector
collector = maybe_visit o.limit, collector
collector = o.cores.inject(collector) { |c,x|
visit_Arel_Nodes_SelectCore x, c
}
if o.orders.any?
collector << "ORDER BY "
collector = inject_join o.orders, collector, ", "
end
collector = maybe_visit o.lock, collector
end
def visit_Arel_Nodes_SelectCore o, collector
collector = inject_join o.projections, collector, ", "
froms = false
if o.source && !o.source.empty?
froms = true
collector << " FROM "
collector = visit o.source, collector
end
if o.wheres.any?
collector << " WHERE "
collector = inject_join o.wheres, collector, " AND "
end
if o.groups.any?
collector << "GROUP BY "
collector = inject_join o.groups, collector, ", "
end
maybe_visit o.having, collector
end
def visit_Arel_Nodes_Offset o, collector
collector << "SKIP "
visit o.expr, collector
end
def visit_Arel_Nodes_Limit o, collector
collector << "LIMIT "
visit o.expr, collector
collector << " "
end
end
end
end
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