def sanitize_sql_hash_for_conditions(attrs, default_table_name = quoted_table_name, top_level = true)
attrs = expand_hash_conditions_for_aggregates(attrs)
conditions = attrs.map do |attr, value|
table_name = default_table_name
if not value.is_a?(Hash)
attr = attr.to_s
if attr.include?('.') and top_level
attr_table_name, attr = attr.split('.', 2)
attr_table_name = connection.quote_table_name(attr_table_name)
else
attr_table_name = table_name
end
attribute_condition("#{attr_table_name}.#{connection.quote_column_name(attr)}", value)
elsif top_level
sanitize_sql_hash_for_conditions(value, connection.quote_table_name(attr.to_s), false)
else
raise ActiveRecord::StatementInvalid
end
end.join(' AND ')
replace_bind_variables(conditions, expand_range_bind_variables(attrs.values))
end