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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
Error Messages and Common Problems.
Not all MySQL errors are mapped to SQLSTATE codes. The value
"HY000" (general error) is used for
unmapped errors.
If the failed statement API function was
mysql_stmt_close(), do not
call mysql_stmt_sqlstate() to
obtain error information because
mysql_stmt_close() makes the
statement handler invalid. Call
mysql_sqlstate() instead.