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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 DEBIAN

mongoexport

MONGOEXPORT(1)							  Mongo Database						    MONGOEXPORT(1)

NAME

       mongoexport - the Mongo export tool

SYNOPSIS

       mongoexport [OPTIONS]

DESCRIPTION

       mongoexport  is a tool to export a MongoDB collection to either JSON or CSV. The query can be filtered or a list of fields to output can be
       given.

       If the output is CSV, the fields must be specified in order.

EXAMPLES

       mongoexport -d test -c test1 --csv -f name,num
	      export documents from test.test1 in CSV format

OPTIONS

       --help show usage information

       -h, --host HOST
	      server to connect to (default HOST=localhost)

       -d, --db DATABASE
	      database to use

       -c, --c COLLECTION
	      collection to use

       -q, --query QUERY
	      query filter

       -f, --fields FIELDS
	      comma-separated list of field names

       --csv  export to CSV instead of JSON

       -o, --out FILE
	      output file, if not specified, stdout is used

       --dbpath PATH
	      directly access mongod data files in this path, instead of connecting to a mongod instance

COPYRIGHT

       Copyright 2007-2009 10gen

SEE ALSO

       For more information, please refer to the MongoDB wiki, available at http://www.mongodb.org.

AUTHOR

       Kristina Chodorow

10gen								     June 2009							    MONGOEXPORT(1)
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