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Contents
module Arel
module Visitors
module ArJdbcCompat
protected
if ToSql.instance_method('visit').arity == 1
def do_visit(x, a); visit(x); end # a = nil
else # > AREL 4.0
def do_visit(x, a); visit(x, a); end
end
if ToSql.instance_method('visit_Arel_Nodes_SelectCore').arity == 1
def do_visit_select_core(x, a) # a = nil
visit_Arel_Nodes_SelectCore(x)
end
else # > AREL 4.0
def do_visit_select_core(x, a)
visit_Arel_Nodes_SelectCore(x, a)
end
end
private
if ArJdbc::AR42
if Arel::VERSION < '6.0.2'
def limit_for(limit_or_node)
if limit_or_node.respond_to?(:expr)
expr = limit_or_node.expr
# NOTE(uwe): Different behavior for Arel 6.0.0 and 6.0.2
expr.respond_to?(:value) ? expr.value.to_i : expr.to_i
else
limit_or_node
end
end
else
def limit_for(limit_or_node)
limit_or_node.respond_to?(:expr) ? limit_or_node.expr.to_i : limit_or_node
end
end
else
def limit_for(limit_or_node)
limit_or_node.respond_to?(:expr) ? limit_or_node.expr.to_i : limit_or_node
end
end
module_function :limit_for
def node_value(node)
return nil unless node
case expr = node.expr
when NilClass then nil
when Numeric then expr
when Arel::Nodes::Unary then expr.expr
end
end
end
ToSql.send(:include, ArJdbcCompat)
end
end
Version data entries
79 entries across 79 versions & 3 rubygems