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Full Discussion: bash mysql export to file
Top Forums Shell Programming and Scripting bash mysql export to file Post 302424522 by unclecameron on Tuesday 25th of May 2010 03:27:37 PM
Old 05-25-2010
bash mysql export to file
I'm trying to export a mysql query to a .csv file, right now I'm running a successful query like:
Code:
us_id=`mysql -u $USER_NAME --password=$PASSWORD -D "databasename" \
        -e "SELECT * \
        FROM databasename.table \
        WHERE somefield >0 AND otherfield ='$ctry' \
        ORDER BY users \
        DESC LIMIT 0,100";`

but I want to export it to a file, which I've tried by using:
Code:
us_id=`mysql -u $USER_NAME --password=$PASSWORD -D "databasename" \
        -e "SELECT * \
        FROM databasename.table \
        WHERE somefield >0 AND otherfield ='$ctry' \
        ORDER BY users \
        DESC LIMIT 0,100 TO OUTFILE 'somefile.csv' ";`

but then I get a db access denied error. I've also tried piping the output to sed ’s/\t/”,”/g;s/^/”/;s/$/”/;s/\n//g’, which also didn't work. If I could get TO OUTFILE to work I'd hopefully add this code to make the fields formatted:
Code:
FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' ESCAPED BY ‘\\’ LINES TERMINATED BY '\n'

but I can't get the OUTFILE function to work. I could also use mysqldump I guess, but I don't know how to combine the query with a mysqldump. my output file exists and I chmod'ed it to 777 (for testing purposes).

---------- Post updated at 12:27 PM ---------- Previous update was at 10:10 AM ----------

got it, well really never got the TO OUTFILE working, but this worked:
Code:
echo "SELECT * \
        FROM somedb.sometable \
        WHERE field1 >0 AND field2 ='whatever' \
        ORDER BY field3 \
        DESC LIMIT 0,100 ;" > tmp
mysql -sN -u $USER_NAME --password=$PASSWORD -D "somedb" < tmp > temp_to_turn_into_csv_later.csv

now I have to parse the temp csv file into a csv using awk, there's probably an easier way though.
 

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LEARN ABOUT SUSE

mysql_fix_privilege_tables

MYSQL_FIX_PRIVILE(1)					       MySQL Database System					      MYSQL_FIX_PRIVILE(1)

NAME

       mysql_fix_privilege_tables - upgrade MySQL system tables

SYNOPSIS

       mysql_fix_privilege_tables --password=root_password

DESCRIPTION

	   Note
	   In MySQL 5.1.7, mysql_fix_privilege_tables was superseded by mysql_upgrade, which should be used instead. See mysql_upgrade(1).

       Some releases of MySQL introduce changes to the structure of the system tables in the mysql database to add new privileges or support new
       features. When you update to a new version of MySQL, you should update your system tables as well to make sure that their structure is up
       to date. Otherwise, there might be capabilities that you cannot take advantage of.

       mysql_fix_privilege_tables is an older script that previously was used to uprade the system tables in the mysql database after a MySQL
       upgrade.

       Before running mysql_fix_privilege_tables, make a backup of your mysql database.

       On Unix or Unix-like systems, update the system tables by running the mysql_fix_privilege_tables script:

	   shell> mysql_fix_privilege_tables

       You must run this script while the server is running. It attempts to connect to the server running on the local host as root. If your root
       account requires a password, indicate the password on the command line like this:

	   shell> mysql_fix_privilege_tables --password=root_password

       The mysql_fix_privilege_tables script performs any actions necessary to convert your system tables to the current format. You might see
       some Duplicate column name warnings as it runs; you can ignore them.

       After running the script, stop the server and restart it so that any changes made to the system tables take effect.

       On Windows systems, MySQL distributions include a mysql_fix_privilege_tables.sql SQL script that you can run using the mysql client. For
       example, if your MySQL installation is located at C:Program FilesMySQLMySQL Server 5.1, the commands look like this:

	   C:> cd "C:Program FilesMySQLMySQL Server 5.1"
	   C:> binmysql -u root -p mysql
	   mysql> SOURCE share/mysql_fix_privilege_tables.sql

	   Note
	   Prior to version 5.1.17, the mysql_fix_privilege_tables.sql script is found in the scripts directory.

       The mysql command will prompt you for the root password; enter it when prompted.

       If your installation is located in some other directory, adjust the path names appropriately.

       As with the Unix procedure, you might see some Duplicate column name warnings as mysql processes the statements in the
       mysql_fix_privilege_tables.sql script; you can ignore them.

       After running the script, stop the server and restart it.

COPYRIGHT

       Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc.

       This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as
       published by the Free Software Foundation; version 2 of the License.

       This documentation 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 the program; if not, write to the Free Software Foundation,
       Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.

SEE ALSO

       For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online
       at http://dev.mysql.com/doc/.

AUTHOR

       Sun Microsystems, Inc. (http://www.mysql.com/).

MySQL 5.1							    04/06/2010						      MYSQL_FIX_PRIVILE(1)
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