[R] Rmysql - dbWritetable

[stephen sefick]

I don't have much experience with SQL, but I suspect that it is
something like CHARACTER or NUMERIC... maybe.

On Tue, Oct 12, 2010 at 7:47 PM, Nilza BARROS <nilzabarros at gmail.com> wrote:
> Dear Rusers,
>
> I am trying to feed my database with data from a file.
>
> But since my file (2010101000.txt) there`s no headers I am facing problem
> because the
> result data.frame is not separated my columns.
>
> How could I set variables names for each columns in *dbWriteTable*? I have
> tried the command below but I don`t know how to fill the *field.type*option.
>
>
> dbWriteTable(con, "b20101010", "./2010101000.txt", overwrite = T, sep =
> "\t",row.names=c("V01", "V02", "V03", "V04", "V05", "V06"," V07","V08",
> "V09", "V10", "V11", "V12", "V13", "V14"),field.type=????)
>
> ===Below what I have been used. I need to know how to set the column names
> to xx (my dataframe).
>
>> drv=dbDriver("MySQL")
>> con <- dbConnect(drv,dbname='buoy',user="xx",password="xxx")
>> dbWriteTable(con, "b20101010", "./2010101000.txt", overwrite = T, sep =
> "\t", head = F)
> [1] TRUE
>>
>> *xx*<- dbGetQuery(con, "SELECT * FROM b20101010  ")
>> xx
>
> *  V1
> *1 00859 2010 10 10 00 50  -41.51   6.83  -9999   1016  -9999 -9999.0
> -9999.0 -9999.0
> 2 00859 2010 10 09 22 50  -41.51   6.81  -9999   1015  -9999 -9999.0 -9999.0
> -9999.0
> 3 00707 2010 10 09 23 00  -34.04 -37.63  -9999   1025  -9999 -9999.0 -9999.0
> -9999.0
> 4 00005 2010 10 09 23 00  -34.69 -18.89  -9999   1017    207     7.2   297.1
> -9999.0
> 5 00859 2010 10 09 23 50  -41.51   6.81  -9999   1015  -9999 -9999.0 -9999.0
> -9999.0
> 6 00005 2010 10 09 23 00  -34.69 -18.89  -9999   1017    207     7.2   297.1
> -9999.0
> 7 00617 2010 10 09 23 20  -18.43 -23.09  -9999   1023  -9999 -9999.0 -9999.0
> -9999.0
> 8 00707 2010 10 10 00 00  -34.03 -37.62  -9999   1025  -9999 -9999.0 -9999.0
> -9999.0
> 9 00707 2010 10 10 01 00  -34.03 -37.62  -9999   1025  -9999 -9999.0 -9999.0
> -9999.0
> *> length(xx)
> [1] 1
> *
> --
> Abraço,
> Nilza Barros
>
>        [[alternative HTML version deleted]]
>
>
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>
>



-- 
Stephen Sefick
____________________________________
| Auburn University                                   |
| Department of Biological Sciences           |
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| 36849                                                    |
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| sas0025 at auburn.edu                             |
| http://www.auburn.edu/~sas0025             |
|___________________________________|

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