Mysql Error Output
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Php Mysql Query Error
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Php Mysql Error Handling
in php up vote 14 down vote favorite 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 mysql_query error error is not specified on the web page. My question is, is 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 $th
Connectors More MySQL.com Downloads Developer Zone Section Menu: Documentation Home MySQL 5.7 Reference Manual Preface and Legal Notices General Information Installing and Upgrading MySQL Using MySQL as a Document Store Tutorial MySQL die(mysql_error()) Programs MySQL Server Administration The MySQL Server Configuring the Server Server Configuration Defaults mysql show last error Server Option and Variable Reference Server Command Options Server System Variables Using System Variables Structured System Variables Dynamic System mysqli_query error Variables Server Status Variables Server SQL Modes IPv6 Support Verifying System Support for IPv6 Configuring the MySQL Server to Permit IPv6 Connections Connecting Using the IPv6 Local Host Address Connecting Using http://stackoverflow.com/questions/12227626/how-to-display-mysql-error-in-php IPv6 Nonlocal Host Addresses Obtaining an IPv6 Address from a Broker Server-Side Help Server Response to Signals The Server Shutdown Process The MySQL Data Directory The mysql System Database MySQL Server Logs Selecting General Query and Slow Query Log Output Destinations The Error Log The General Query Log The Binary Log Binary Logging Formats Setting The Binary Log Format Mixed Binary Logging Format http://dev.mysql.com/doc/mysql/en/error-log.html Logging Format for Changes to mysql Database Tables The Slow Query Log The DDL Log Server Log Maintenance MySQL Server Plugins Server Plugins Available Installing and Uninstalling Plugins Obtaining Server Plugin Information MySQL Enterprise Thread Pool Thread Pool Components Thread Pool Installation Thread Pool Operation Thread Pool Tuning The Rewriter Query Rewrite Plugin Installing or uninstalling the Rewriter Query Rewrite Plugin Using the Rewriter Query Rewrite Plugin Rewriter Query Rewrite Plugin Reference Version Tokens Version Tokens Components Installing or Uninstalling Version Tokens Using Version Tokens Version Tokens Reference Running Multiple MySQL Instances on One Machine Setting Up Multiple Data Directories Running Multiple MySQL Instances on Windows Starting Multiple MySQL Instances at the Windows Command Line Starting Multiple MySQL Instances as Windows Services Running Multiple MySQL Instances on Unix Using Client Programs in a Multiple-Server Environment Tracing mysqld Using DTrace mysqld DTrace Probe Reference Connection Probes Command Probes Query Probes Query Parsing Probes Query Cache Probes Query Execution Probes Row-Level Probes Read Row Probes Index Probes Lock Probes Filesort Probes Statement Probes Network Probes Keycache Probes Security Backup and Recovery Optimization Language Structure Globalization Data Types Functions and Operators
Connectors More MySQL.com Downloads Developer Zone Section Menu: Documentation Home MySQL 5.5 Reference Manual Preface and Legal Notices General Information Installing and https://dev.mysql.com/doc/refman/5.5/en/error-log.html Upgrading MySQL Tutorial MySQL Programs MySQL Server Administration The MySQL http://unix.stackexchange.com/questions/102587/redirect-error-out-to-standard-output Server Configuring the Server Server Configuration Defaults Server Option and Variable Reference Server Command Options Server System Variables Using System Variables Structured System Variables Dynamic System Variables Server Status Variables Server SQL Modes IPv6 Support Verifying System Support for IPv6 Configuring the mysql error MySQL Server to Permit IPv6 Connections Connecting Using the IPv6 Local Host Address Connecting Using IPv6 Nonlocal Host Addresses Obtaining an IPv6 Address from a Broker Server-Side Help Server Response to Signals The Server Shutdown Process The MySQL Data Directory The mysql System Database MySQL Server Logs Selecting General Query and Slow Query mysql error output Log Output Destinations The Error Log The General Query Log The Binary Log Binary Logging Formats Setting The Binary Log Format Mixed Binary Logging Format Logging Format for Changes to mysql Database Tables The Slow Query Log The DDL Log Server Log Maintenance MySQL Server Plugins Server Plugins Available Installing and Uninstalling Plugins Obtaining Server Plugin Information MySQL Enterprise Thread Pool Thread Pool Components Thread Pool Installation Thread Pool Operation Thread Pool Tuning Running Multiple MySQL Instances on One Machine Setting Up Multiple Data Directories Running Multiple MySQL Instances on Windows Starting Multiple MySQL Instances at the Windows Command Line Starting Multiple MySQL Instances as Windows Services Running Multiple MySQL Instances on Unix Using Client Programs in a Multiple-Server Environment Tracing mysqld Using DTrace mysqld DTrace Probe Reference Connection Probes Command Probes Query Probes Query Parsing Probes Query Cache Probes Query Execution Probes Row-Level Probes Read Row Probes Index Probes Lock Probes Filesort Probes Statement Probe
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 Business Learn more about hiring developers or posting ads with us Unix & Linux Questions Tags Users Badges Unanswered Ask Question _ Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top redirect error out to standard output up vote 3 down vote favorite I can save the error out in the same file as standard out. I have used this method below. The problem is that the error out is "always" shown at the top. In the example given below the error relates to the second last sql command where value "india" can not be saved. The error message should be shown next to that statement and not at the top of the file. # cat import.txt drop table if exists testme; create table testme (id int , name varchar(255)); insert into testme values (1, 'abc'); insert into testme values (2, 'abc', 'india'); insert into testme values (3, 'xyz'); # mysql test -vvf < import.txt >standard.txt 2>&1 # cat standard.txt ERROR 1136 (21S01) at line 5: Column count doesn't match value count at row 1 -------------- drop table if exists testme -------------- Query OK, 0 rows affected -------------- create table testme (id int , name varchar(255)) -------------- Query OK, 0 rows affected -------------- insert into testme values (1, 'abc') -------------- Query OK, 1 row affected -------------- insert into testme values (2, 'abc', 'india') -------------- -------------- insert into testme values (3, 'xyz') -------------- Query OK, 1 row affected The expected output will look something like this... # mysql test -vvf < import.txt -------------- drop table if exists testme -------------- Query OK, 0 rows affected -------------- create table testme (id int , name varchar(255)) -------------- Query OK, 0 rows affected -------------- insert into testme values (1, 'abc') -------------- Query OK,