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Top Forums Programming MySQL: calculating when query ready Post 303029615 by jim mcnamara on Tuesday 29th of January 2019 02:31:01 PM
Old 01-29-2019
A question: can you not place your data temporarily in a file and use command line tools to get your answer, since the query runs for potentially a very long time? What table contains "data"? Then you can use a subquery.

Plus, having been an admin and system programmer for a long time I would commend code like this to help from a very senior techie. Quadratic time queries may have system wide impacts that affect other processes and users. This is a polite way of me saying if you did this you would incur the wrath of a lot of people. Just saying. If it is your desktop, okay, maybe.
 

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MYSQL2DLF.IN(1) 					  LogReport's Lire Documentation					   MYSQL2DLF.IN(1)

NAME
mysql2dlf - convert mysql logfiles to dlf format SYNOPSIS
mysql2dlf DESCRIPTION
mysql2dlf converts a MySQL query log file to DLF format. Information on MySQL can be found on http://www.mysql.org/. The query log file is defined by the --log[=file] option of mysqld, or the log=file setting in MySQL configuration file. Such a log file looks like e.g. /usr/sbin/mysqld, Version: 3.23.43-debug-log, started with: Tcp port: 3306 Unix socket: /var/run/mysqld/mysqld.sock Time Id Command Argument 011218 15:02:58 1 Connect root@localhost on 1 Query SHOW VARIABLES LIKE 'pid_file' 1 Shutdown 011226 21:35:59 6 Connect joe@localhost on 6 Init DB nmrshiftdb 6 Query SHOW VARIABLES or 42401 Query SELECT bannerID, banner, format, width, height, alt, url FROM banners WHERE act = 'true' AND (keyw = 'fullsize' OR keyw = 'global') The generic database dlf format is described in database.xml. EXAMPLES
To process a log as produced by MySQL: $ mysql2dlf < mysql-log mysql2dlf will be rarely used on its own, but is more likely called by lr_log2report: $ lr_log2report mysql < /var/log/mysql-log NOTES
The parser has been tested for query log files for MySQL 3.23.46 only. BUGS
This converter stores all log files information in one big nested array in memory, before writing. Therefore, memory consumption is linear with the size of the log. SEE ALSO
mysql(1), mysqld(1) VERSION
$Id: mysql2dlf.in,v 1.12 2010/12/05 20:36:45 wraay Exp $ COPYRIGHT
Copyright (C) 2001, 2002 Stichting LogReport Foundation LogReport@LogReport.org This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program (see COPYING); if not, check with http://www.gnu.org/copyleft/gpl.html. AUTHOR
Egon Willighagen <egonw@logreport.org> Lire 2.1.1 2011-12-31 MYSQL2DLF.IN(1)
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