instance method
arel_columns
Ruby on Rails 5.0.7.2
Since v4.1.16 Last seen in v8.0.5.1 Private — implementation detail, not part of the public APISignature
arel_columns(columns)No documentation comment.
Parameters
-
columnsreq
Source
# File activerecord/lib/active_record/relation/query_methods.rb, line 1104
def arel_columns(columns)
columns.map do |field|
if (Symbol === field || String === field) && (klass.has_attribute?(field) || klass.attribute_alias?(field)) && !from_clause.value
arel_attribute(field)
elsif Symbol === field
connection.quote_table_name(field.to_s)
else
field
end
end
end
Defined in activerecord/lib/active_record/relation/query_methods.rb line 1104
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Defined in ActiveRecord::QueryMethods