method

index_exists?

rails latest stable - Class: ActiveRecord::ConnectionAdapters::ColumnMethods::Table

index_exists?(column_name, **options)

public

Checks to see if an index exists.

unless t.index_exists?(:branch_id)
  t.index(:branch_id)
end

See {connection.index_exists?}[rdoc-ref:SchemaStatements#index_exists?]

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 759
      def index_exists?(column_name, **options)
        @base.index_exists?(name, column_name, **options)
      end

index_exists?

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