Hi, Gaurav, I have located the cause of the problem with unexpected mask file. A fix has been checked in with SVN revision 522. Please give it a try when you get the chance.
Thanks. John On 7/3/12 5:58 PM, Gaurav Agarwal wrote: > 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
