method

column_exists?

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column_exists?(column_name, type = nil, **options) public

Checks to see if a column exists.

t.string(:name) unless t.column_exists?(:name, :string)

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

Show source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 735
      def column_exists?(column_name, type = nil, **options)
        @base.column_exists?(name, column_name, type, **options)
      end

column_exists?

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