Function isUsingClosedConnError

tests/prepared_stmt_test.go:230–233

(err error)

}

func isUsingClosedConnError(err error) bool {
	// https://github.com/golang/go/blob/e705a2d16e4ece77e08e80c168382cdb02890f5b/src/database/sql/sql.go#L2717
	return err.Error() == "sql: statement is closed"
}

// TestPreparedStmtConcurrentClose test calling close and executing SQL concurrently
// this test making sure that the gorm would not get a Segmentation Fault, and the only error cause by this is using a closed Stmt