method

count

v7.1.3.4 - Show latest stable - 0 notes - Class: SchemaMigration

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0
2.2.1
2.3.8
3.0.0
3.0.9
3.1.0
3.2.1
3.2.8
3.2.13
4.0.2
4.1.8
4.2.1
4.2.7
4.2.9
5.0.0.1
5.1.7
5.2.3
6.0.0
6.1.3.1
6.1.7.7
7.0.0
7.1.3.2 (0)
7.1.3.4 (0)
What's this?

count() public

No documentation

This method has no description. You can help the Ruby on Rails community by adding new notes.

# File activerecord/lib/active_record/schema_migration.rb, line 78
    def count
      sm = Arel::SelectManager.new(arel_table)
      sm.project(*Arel::Nodes::Count.new([Arel.star]))

      connection.select_values(sm, "#{self.class} Count").first
    end

count

Related methods

No documentation