This method is deprecated or moved on the latest stable version.
The last existing version (v3.2.13) is shown here.
to_sql()
public
Returns a String whose contents are the column
definitions concatenated together. This string can then be prepended and
appended to to generate the final SQL to create the table.
# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 277
def to_sql
@columns.map { |c| c.to_sql } * ', '
end
