const char *mysql_stmt_sqlstate(MYSQL_STMT
*stmt)
For the statement specified by stmt,
mysql_stmt_sqlstate() returns a
null-terminated string containing the SQLSTATE error code for
the most recently invoked prepared statement API function that
can succeed or fail. The error code consists of five characters.
"00000" means “no error.” The
values are specified by ANSI SQL and ODBC. For a list of
possible values, see Appendix B, Errors, Error Codes, and Common Problems.
Not all MySQL errors are mapped to SQLSTATE codes. The value
"HY000" (general error) is used for unmapped
errors.
A null-terminated character string containing the SQLSTATE error code.