Question

My SQL Load data infile

Asked by: cmistre

I have an issue where there are null values in a txt csv file and they error out and won't populate the field as either null, or in this case since an integer, it should autofill it as zero.

I had this working on 2 other servers just fine, but recently moved to another server and setup the identical programs on the identical OS - (windows server 2003) and in this case it is giving me errors on an integer saying that '' is an incorrect integer value.

The same exact text file on my other server, just loads a zero where there is a blank... what setting do I need to mess with in order to correct this new server?

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Asked On
2009-10-26 at 20:23:27ID24846006
Tags

mysql 5.0 - 5.1

Topics

MySQL Server

,

SQL Query Syntax

Participating Experts
2
Points
0
Comments
6

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Answers

 

by: andre23Posted on 2009-10-26 at 20:30:58ID: 25668937

maybe you have a different table declaration? So the default value is different?

Hope to help.

Regards,
Andre

 

by: HainKurtPosted on 2009-10-26 at 20:30:59ID: 25668938

can you please post your format file, command line, the related lines (one good one bad) from input file, and output (table, again one good and one bad one)

 

by: cmistrePosted on 2009-10-26 at 20:50:58ID: 25669021

I have tried changing the default value of the field that needs to be an integer to zero even though on the other server its set as null and imports null values as zero anyhow.

The new server keeps erroring out.  Here is the code I use to import... identical on both servers...

LOAD DATA INFILE 'c:/myfile.txt'
INTO TABLE mytable
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\r\n'
IGNORE 1 LINES

The file itself is fine because when I change the field type to varchar it imports everything where it should be.  The file is huge and will hard for me to single out the line as its somewhere deep in the file, but as an example...

 if the headers were this..

Name, Age, email

values

chris,35,myemail@email.com
jane,,jane@jane.com

the 2nd record imports as a zero on the old server, but errors out with
"INCORRECT INTEGER VALUE '' FOR ROW 2" on the new server

I'm thinking there has to be some master setting that I maybe forgot to check on install or something that would make the behavior treat the empty field as zero for integer, or null for a string as I even read in the mysql docs that is supposed to be the default behavior


 

by: HainKurtPosted on 2009-10-26 at 21:13:25ID: 25669086

check your table structure, make it nullable, and put a default value 0
maybe it solves...

 

by: cmistrePosted on 2009-10-26 at 21:22:06ID: 25669116

I did all that since I had it working perfect on another server, structure and everything else was EXACT, so I'm sure its something to do with a configuration of MYSQL setup, but can't find it... however...

I just solved the problem by googling it and found that changing the table structure to MyISAM instead of INNOdb made it work, even though the other server was innodb...  I noticed it made it go lightning fast compared to INNODB.  Is MyISAM the faster of the 2 because I always thought it was the other way around for some reason?

Can someone just tell me whats the diff between the 2 storage engines? whats more commonly used?

Thanks

 

by: cmistrePosted on 2009-10-26 at 21:39:19ID: 25669178

googled that too, seems if you are using foreign keys & need alot of simultaneous updating on the same table then go with innodb, and myisam may be a little faster, but locks the whole table opposed to just a row when it updates...  guess i'm done for now.  thanks anyhow.

20120131-EE-VQP-002

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