var database/sql.ErrConnDone

4 uses

	database/sql (current package)
		sql.go#L1797: var ErrConnDone = errors.New("sql: connection is already closed")
		sql.go#L1862: 		return nil, nil, ErrConnDone
		sql.go#L1990: 		return ErrConnDone

	contrib.go.opencensus.io/integrations/ocsql
		driver_go1.10.go#L11: var errConnDone = sql.ErrConnDone