instance method `primary_keys`

Ruby on Rails 6.0.6

Since v4.0.13

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

primary_keys(table_name)

No documentation comment.

Parameters

table_name req

Source

# File activerecord/lib/active_record/connection_adapters/schema_cache.rb, line 48
      def primary_keys(table_name)
        @primary_keys[table_name] ||= data_source_exists?(table_name) ? connection.primary_key(table_name) : nil
      end

Defined in activerecord/lib/active_record/connection_adapters/schema_cache.rb line 48 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::SchemaCache

Signature

Parameters