Php Report Mysql Error
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Parameters link Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init() Return Values A string that describes the error. An empty string if no error occurred. Examples Example #1 $mysqli->error example Object oriented style $mysqli=new here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more mysqli_query error about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow i cannot select mysql database is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up how to display MySql error in php up vote 14 down vote favorite http://php.net/manual/en/mysqli.error.php In PHP, I am trying to execute a long MySql query that depends on the user input. However, my query fails with the following message, "Query Failed". Actually I have printed this message whenever the query fails but I am having hard time looking for the reason behind this failure. Unfortunately, I couldn't find it because the error is not specified on the web page. My question is, is http://stackoverflow.com/questions/12227626/how-to-display-mysql-error-in-php there any way to display the error message that caused the failure on the web page. Thank you. Here's my code, $from= "Findings"; $where=""; if($service!= null) { $from = $from . ", ServiceType_Lookup"; $where= "Findings.ServiceType_ID= ServiceType_Lookup.ServiceType_ID AND ServiceType_Name= ". $service; if($keyword!= null) $where= $where . " AND "; } if( $keyword != null) { $where= $where . "Finding_ID LIKE '%$keyword%' OR ServiceType_ID LIKE '%$keyword%' OR Title LIKE '%$keyword%' OR RootCause_ID LIKE '%$keyword%' OR RiskRating_ID LIKE '%$keyword%' OR Impact_ID LIKE '%$keyword%' OR Efforts_ID LIKE '%$keyword%' OR Likelihood_ID LIKE '%$keyword%' OR Finding LIKE '%$keyword%' OR Implication LIKE '%$keyword%' OR Recommendation LIKE '%$keyword%' OR Report_ID LIKE '%$keyword%'"; } $query = "SELECT Finding_ID, ServiceType_ID, Title, RootCause_ID, RiskRating_ID, Impact_ID, Efforts_ID, Likelihood_ID, Finding, Implication, Recommendation, Report_ID FROM ".$from . " WHERE " . $where; echo "wala 2eshiq"; $this->result = $this->db_link->query($query); if (!$this->result) { printf("Query failed: %s\n", mysqli_connect_error()); exit; } $r = mysqli_query($this->db_link, $query); if($r==false) printf("error: %s\n", mysqli_errno($this->db_link)); php mysql share|improve this question asked Sep 1 '12 at 12:16 Traveling Salesman 56131640 You can just use: $this->db_link->error to get the last error message. For all errors use $this->db_link->error_list. –hakre Sep 1 '12 at 12:31 add a comment| 7 Answers 7 active oldest votes up vote 17 down vote accepted Use this: mysqli_query($this here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company http://stackoverflow.com/questions/13909391/display-error-message-php-mysql Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, http://php.about.com/od/phpwithmysql/f/mysql_error.htm just like you, helping each other. Join them; it only takes a minute: Sign up Display error message PHP Mysql up vote 1 down vote favorite 2 i am unable to get the last 2 echos to mysql error work, even if the update query fails it still displays success. If anyone has any suggestions on this code to be improved on any line, please do! Success"; echo " Your account password was successfully changed. Please click here to login. Sorry, but a field was incorrect.Die(mysql_error())
Error
"; echo "
3 Connecting to a MySQL database from PHP 4 The 12 Days of PHP 5 10 Cool Things To Do With PHP About.com About Tech PHP/MySQL PHP with MySQL How can report MySQL errors into PHP? Robert Daly/OJO Images/Getty Images By Angela Bradley PHP/MySQL Expert Share Pin Tweet Submit Stumble Post Share By Angela Bradley Question: How can report MySQL errors into PHP?How can I receive feedback from MySQL when my PHP encounters a problem?Answer: When you are working with PHP and MySQL and encounter an error, it is helpful to receive more detailed information regarding the problem to point you in the direction of fixing it. You can use the mysql_error ( ) to get feedback from MySQL to your PHP document if you are encountering problems. It is phrased as: mysql_error ( [link_identifier] )Here are some examples of how to utilize mysql_error ()mysql_connect("your.hostaddress.com", "username", "password") or die(mysql_error()) This will return an error if there is a problem connecting to your MySQL database $value = mysql_query($your_query) or die("A MySQL error has occurred.
Your Query: " . $your_query . "
Error: (" . mysql_errno() . ") " . mysql_error()) When you encounter an error, this will return your custom message (A MySQL error has occurred.
) followed by a line number, and the actual error. Show Full Article Related How to close your MySQL connection from PHP Do you know how to close a MySQL connection? MySQL Connect Files in PHP How to Connect PHP Files to a MySQL Database More from the Web Powered By ZergNet Sign Up for Our Free Newsletters Thanks, You're in! About Today Electronics & Gadgets PHP/MySQL You might also enjoy: Healthy Eating Health Tip of the Day Sign up There was an error. Please try again. Please select a newsletter. Please enter a valid email address. Did you mean ? Thank you,,for signing up! PHP/MySQL Learn PHP - PHP Tutorial - Learn PHP Code Learn MySQL with free online tutorials Learn PHP - Advanced PHP - PHP Tutorial PHP & MySQL - Use PHP with MySQL - MySQL from PHP GD Library - PHP GD Library - GD Library Graphics PHP Functions - PHP Code - PHP Commands PHP and MySQL Security PHP and MySQL Basics - PHP and MySQL Info - PHP and MySQL Information Tools and Resources for PHP or MySQL. Troubleshoot PHP Errors - Fix PHP Errors - PHP Error Help Programming Glossary - Programming Terms - Programming Refrence About Tech Follow us: We deliver. Get the best of About Tech in your inbox. Thank