mysql_stmt_sqlstate — returns SQLSTATE error from previous statement operation
const char * mysql_stmt_sqlstate(MYSQL_STMT * stmt);
Returns a string containing the SQLSTATE error code for the most recently invoked prepared statement 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.
Returns a string containing the SQLSTATE error code for the last error. The error code consists of five characters. '00000'
means no error.