Mysql Database Error Error Writing File Errcode 28
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28) up vote 5 down vote favorite I am trying to execute a query to return the number of records (which is around 4 millions). SELECT COUNT(DISTINCT col) FROM table; I am getting this error: mysql Error Code: 3 error writing file 'C:\Winows\temp\Myffd3.tmp' (Errcode: 28). What is the cause of the problem. How to fix it? I tried t search, It might seems a disk space issue mysql errcode 28 linux ? But I have 21 GB free space in the C. Does count command fro one columns require more than this ? EDIT: : The temp file name is not permanent. Each time I execute the command, I get different name in the error message. mysql share|improve this question edited Aug 16 '12 at 16:10 asked Aug 16 '12 at 15:57 Jury A 3,268124868 Well, COUNT by itself rarely makes such noise; but you need to count DISTINCT values... By the way, is col column indexed? And what's its type? –raina77ow Aug 16 '12 at 16:00 BTW, try this query: SELECT COUNT(*) FROM (SELECT DISTINCT col from table) AS c;, does it make a difference? And, last but not the least, which version of MySQL is used? –raina77ow Aug 16 '12 at 16:04 I'm using MySQL workbench 5.2.41 & also have tried the same command with SQLyog. Both of them give the same error. –Jury A Aug 16 '12 at 16:09 MySQL workbench is a client software; what version of MySQL server is used? And, again, is col column covered by index? Can you show the result of EXPLAIN for this q
Community Podcasts MySQL.com Downloads Documentation Section Menu: MySQL Forums :: General :: Error Code: 3. Error writing file (Errcode: 28) New Topic Advanced Search Re: Error Code: 3. Error writing file (Errcode: 28) Posted by: sdgbfdsg fdhgfdhds () sql error: 3, sqlstate: hy000 Date: May 02, 2014 04:28AM sdgbfdsg fdhgfdhds Wrote: ------------------------------------------------------- > Rick James Wrote: > -------------------------------------------------- can't change size of file (errcode: 28) > ----- > > Is /tmp on a different filesystem? > > Run df. > > > > You can change mysql tmp full the MySQL VARIABLE tmpdir to put > it > > somewhere on the main filesystem. > > > I thought I posted it, I apologize. > > DiskStationVM> df > Filesystem 1K-blocks Used Available > Use% http://stackoverflow.com/questions/11991129/mysql-error-code-3-error-writing-file-errcode-28 Mounted on > /dev/md0 2451064 497612 1851052 > 21% / > /dev/md0 2451064 497612 1851052 > 21% /proc/bus/pci > /tmp 253548 312 253236 > 0% /tmp > /dev/vg1000/lv 11857064 596096 11158568 > 5% /volume1 > /volume1/@optware 11857064 596096 11158568 > 5% /opt I cant seem to find the confg file for MySQL because I cant directly change the variable right? Navigate:Previous Message•Next Message Options:Reply•Quote Subject Written By Posted Error Code: 3. http://forums.mysql.com/read.php?20,613508,613589 Error writing file (Errcode: 28) sdgbfdsg fdhgfdhds 04/30/2014 07:16AM Re: Error Code: 3. Error writing file (Errcode: 28) Rick James 05/01/2014 11:53PM Re: Error Code: 3. Error writing file (Errcode: 28) sdgbfdsg fdhgfdhds 05/02/2014 04:10AM Re: Error Code: 3. Error writing file (Errcode: 28) sdgbfdsg fdhgfdhds 05/02/2014 04:28AM Re: Error Code: 3. Error writing file (Errcode: 28) Rick James 05/03/2014 10:09AM Sorry, you can't reply to this topic. It has been closed. powered by phorum Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party. Contact Sales USA: +1-866-221-0634 Canada: +1-866-221-0634 Germany: +49 89 143 01280 France: +33 1 57 60 83 57 Italy: +39 02 249 59 120 UK: +44 207 553 8447 Japan: 0120-065556 China: 10800-811-0823 India: 0008001005870 More Countries» Contact Us Online» Products MySQL Enterprise Edition MySQL Standard Edition MySQL Classic Edition MySQL Cluster CGE MySQL Embedded (OEM/ISV) Services Training Certification Consulting Support Downloads MySQL Community Server MySQL Cluster MySQL Fabric MySQL Utilities MySQL Workbench About MySQL Contact Us How to Buy Partners Job Opportunities Site Map Documentation MySQL Reference Manuals MySQL Workbench Expert Guides Topic Guides MySQL Cluster Legal Legal Policies Your Privacy Rights T
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 error writing Learn more about hiring developers or posting ads with us Magento Questions Tags Users Badges Unanswered Ask Question _ Magento Stack Exchange is a question and answer site for users of the Magento e-Commerce platform. Join them; error writing file 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 Getting SQLSTATE[HY000]: General error: 3 Error writing file '/tmp/MYgahdeW' (Errcode: 28) error while searching products up vote 0 down vote favorite I am getting following error while searching products. Getting SQLSTATE[HY000]: General error: 3 Error writing file '/tmp/MYgahdeW' (Errcode: 28) error while searching products Trace: #0 /home/cpanelusername/public_html/catalog/lib/Varien/Db/Statement/Pdo/Mysql.php(110): Zend_Db_Statement_Pdo->_execute(Array) #1 /home/cpanelusername/public_html/catalog/app/code/core/Zend/Db/Statement.php(291): Varien_Db_Statement_Pdo_Mysql->_execute(Array) #2 /home/cpanelusername/public_html/catalog/lib/Zend/Db/Adapter/Abstract.php(479): Zend_Db_Statement->execute(Array) #3 /home/cpanelusername/public_html/catalog/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SELECT `_oc_o`....', Array) #4 /home/cpanelusername/public_html/catalog/lib/Varien/Db/Adapter/Pdo/Mysql.php(428): Zend_Db_Adapter_Pdo_Abstract->query('SELECT `_oc_o`....', Array) #5 /home/cpanelusername/public_html/catalog/lib/Zend/Db/Adapter/Abstract.php(734): Varien_Db_Adapter_Pdo_Mysql->query(Object(Varien_Db_Select), Array) #6 /home/cpanelusername/public_html/catalog/app/code/local/Mana/Filters/Resource/Filter/Attribute.php(93): Zend_Db_Adapter_Abstract->fetchAll(Object(Varien_Db_Select)) #7 /home/cpanelusername/public_html/catalog/app/code/local/Mana/Filters/Model/Filter/Attribute.php(229): Mana_Filters_Resource_Filter_Attribute->optimizedCountOnCollection(Object(Mage_CatalogSearch_Model_Resource_Fulltext_Collection), Object(Mana_Filters_Model_Filter_Attribute), Array) #8 /home/cpanelusername/public_html/catalog/app/code/local/Mana/Filters/Model/Query.php(230): Mana_Filters_Model_Filter_Attribute->optimizedCountOnCo