method
index_exists?
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index_exists?(table_name, column_name, options = {})
public
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# File activerecord/lib/active_record/migration/compatibility.rb, line 170 def index_exists?(table_name, column_name, options = {}) column_names = Array(column_name).map(&:to_s) options[:name] = if options[:name].present? options[:name].to_s else connection.index_name(table_name, column: column_names) end super end