Hi John, Thanks for the reply. I'm using fastbit 1.3.0.
-gaurav On Wed, Jul 4, 2012 at 12:37 AM, K. John Wu <[email protected]> wrote: > Hi, Gaurav, > > Thanks for the interest in FastBit. Looks like there might be some > issue with the reading of text fields. I will need some time to look > into this further. I will let you know as soon as I able to determine > the source of the problem. > > In the mean time, would you mind tell me which version of FastBit you > are using? > > John > > > On 7/2/12 10:40 AM, Gaurav Agarwal wrote: >> Hi, >> >> (first of all thank you for creating such a useful tool!!) >> >> I am an absolute beginner to FastBit; I am playing with fastbit to get >> an initial understanding. I am noticing something weird which I cannot >> seem to understand: >> When I use ardea to load a csv file into fastbit's columnar format, I >> sometimes see a .msk file being created for the last column. I cannot >> understand why is this file being created only for last column. >> Reading the help pages, it appears that this file will be created for >> columns having 'null' values but the file I'm trying to load >> definitely does not have 'null' values. The file has just 5 rows and 3 >> columns. >> >> Here is the console output of what I'm doing- (any insight will be >> greatly appreciated) >> >> -------------------------------------------- >> Gauravs-MacBook-Pro:tests gaurav$ cat test.csv >> 1,a,p >> 2,b,q >> 3,c,r >> 4,d,s >> 5,e,t >> >> Gauravs-MacBook-Pro:tests gaurav$ ardea -d tmp -m "a:int, b:text, >> c:text" -t test.csv >> ardea: verbose level 0 >> Will attempt to parse 1 CSV file >> test.csv >> with the following column names and types >> a:int, b:text, c:text >> >> >> ardea to read CSV file test.csv ... >> ardea read 5 rows from test.csv >> >> Gauravs-MacBook-Pro:tests gaurav$ ls tmp/ >> -part.txtabcc.msk >> Gauravs-MacBook-Pro:tests gaurav$ cat tmp/-part.txt >> # meta data for data partition tmp written by ibis::tafel::write on >> Mon Jul 2 23:07:16 2012 >> >> BEGIN HEADER >> Name = tmp >> Description = ardea -d tmp -m a:int, b:text, c:text -t test.csv >> Number_of_rows = 5 >> Number_of_columns = 3 >> Timestamp = 1341250636 >> END HEADER >> >> Begin Column >> name = a >> data_type = INT >> End Column >> >> Begin Column >> name = b >> data_type = TEXT >> index=none >> End Column >> >> Begin Column >> name = c >> data_type = TEXT >> index=none >> End Column >> >> >> cheers, >> gaurav >> >> >> >> >> _______________________________________________ >> FastBit-users mailing list >> [email protected] >> https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users >> > _______________________________________________ FastBit-users mailing list [email protected] https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users
