Mysql Error Verbose
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Verifying System Support for IPv6 Configuring the 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 http://dev.mysql.com/doc/mysql/en/error-log.html 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 Logging Format for Changes to mysql Database Tables The Slow Query Log https://dev.mysql.com/doc/refman/5.5/en/error-log.html 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 Probes Network Probes Keycache Probes Security Backup and Recovery Optimization Language Structure Globalization Data Types Functions and Operators SQL Statement Syntax The InnoDB Storage Engine Alternative Storage Engines High Availability and Scalability Replication MySQL Cluster NDB 7.2 Partitioning Stored Programs and Views INFORMATION_SCHEMA Tables MySQL Performance Schema Connectors and APIs Extending MySQL MySQL Enterprise Edition MySQL Workbench MySQL 5.5 Frequently Asked Questions Errors, Error Codes, and Common Problems Restrictions and Limits Indexes MySQL Glossary Related Documenta
CI MySQL Sandbox MariaDB data chef Adtech Twitter GitHub RSS Capturing Errors and Warnings From LOAD DATA INFILE MySQL makes it easy to bulk load multiple rows of data from a flat file into a MySQL table using the LOAD DATA INFILE http://mechanics.flite.com/blog/2013/02/05/capturing-errors-and-warnings-from-load-data-infile/ command, but that command can quickly get you into trouble if you are not careful about capturing the warnings and errors it produces. Running LOAD DATA INFILE commands at the mysql prompt gives you pretty good output, but if you run the same command at the terminal or in a shell script you have to do a little bit of extra work to capture the errors and warnings. Here are mysql error a few techniques I use when I run LOAD DATA INFILE at the terminal or in a shell script: Use double-verbose mode (--v) to capture the high level counts of Records, Deleted, Skipped, Warnings, etc. Use --init-command to set session variables (sql_mode, sql_log_bin, foreign_key_checks, etc) Use --show warnings to get all of the warnings, even if they exceed the value of max_error_count Use user-defined variables and SET statements to explicitly handle mysql error log NULL values and defaults. Below I will provide more detail on each of those techniques, using the sakila database for my code examples: 1. Use double-verbose mode (--v) to capture the high level counts of Records, Deleted, Skipped, Warnings, etc. For my first example, I'll dump all of the rows from a table with a primary key into a flat file on disk, and then try to load that flat file into the table again and see what happens. If I do a straightforward LOAD DATA INFILE I get an error: 1 2 3 4 5 mysql> select * into outfile '/tmp/rental.txt' from sakila.rental; Query OK, 16044 rows affected (0.02 sec) mysql> load data infile '/tmp/rental.txt' into table sakila.rental; ERROR 1062 (23000): Duplicate entry '1' for key 'PRIMARY' If I add the IGNORE keyword I can avoid that error, and MySQL tells me that all 16044 rows were skipped as duplicates: 1 2 3 mysql> load data infile '/tmp/rental.txt' ignore into table sakila.rental; Query OK, 0 rows affected (0.23 sec) Records: 16044 Deleted: 0 Skipped: 16044 Warnings: 0 The IGNORE keyword is also useful if your file contains some duplicates and some new rows. To illustrate this I delete 1