method

index_name_exists?

v3.2.8 - Show latest stable - 0 notes - Class: ActiveRecord::ConnectionAdapters::SchemaStatements

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What's this?

index_name_exists?(table_name, index_name, default) public

Verify the existence of an index with a given name.

The default argument is returned if the underlying implementation does not define the indexes method, as there’s no way to determine the correct answer in that case.

Show source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 403
      def index_name_exists?(table_name, index_name, default)
        return default unless respond_to?(:indexes)
        index_name = index_name.to_s
        indexes(table_name).detect { |i| i.name == index_name }
      end

index_name_exists?

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