Chenzhou Cui wrote:
The file is in fix column width format. If it is in CSV format, I
don't need a program to read it.
'load data infile' can import from a fixed-width format. Check the
documentation. I've set up a number of these imports, and they're a
little messy to set up ( you have to p
The file is in fix column width format. If it is in CSV format, I don't
need a program to read it.
The first few lines are as following:
---
usnob_read: no zone specified, read from South Pole
#USNOB (whole)
#USNO-B1.0 Tycho-2RA (J2000) Dec
Also, if the file looks anything like a CSV file, I recommend using
LOAD DATA INFILE
http://dev.mysql.com/doc/refman/4.1/en/load-data.html
You'll probably load that data in half to a quarter of the time.
On 11/30/05, Daniel Kasak <[EMAIL PROTECTED]> wrote:
> Chenzhou Cui wrote:
>
> > I didn't us
Chenzhou Cui wrote:
I didn't use multiple insert statements and "LOAD DATA INFILE", but
only "insert into" statement. The Java program reads one line from the
source file, and then execute an "insert" statement.
I can't comment on the speed of 5.0.x vs 4.1.x, but I can suggest that
you optim
After 4 days and a half, my program finished last night. The 1045175762
rows costed the Java program 109 hours to load. The speed is about 9.6
million per hour.
I didn't use multiple insert statements and "LOAD DATA INFILE", but only
"insert into" statement. The Java program reads one line fr
Are you doing single insert statements, multiple insert statements or
LOAD DATA INFILE statements?
On 12/4/05, Chenzhou Cui <[EMAIL PROTECTED]> wrote:
> Dear MySQL fans,
>
> I have a 260 GB huge file with 1045175762 rows. Two weeks ago, I wrote a
> Java program to read the huge plain text file in
