Re: [R] Issues with RPostgres

On 08/27/2015 02:19 PM, Abraham Mathew wrote:
>
> "test" is not in the postgres database. In fact, there is no table or
> column named "test"
>
> The user is "postgres" and the dbname is also "postgres"
>

The only part of your original post that hit the list was what John
excerpted in his reply. Not sure what that covered. You might want to
restate what your issue is, in order to facilitate an answer.

>
>
> On Thu, Aug 27, 2015 at 4:13 PM, John McKown
> <john.archie.mckown@gmail.com <mailto:john.archie.mckown@gmail.com>> wrote:
>
>     On Thu, Aug 27, 2015 at 3:50 PM, Abraham Mathew
>     <mathewanalytics@gmail.com <mailto:mathewanalytics@gmail.com>>wrote:
>
>
>         Yeah, thought that could be an issue. Unfortunately, I've had
>         issues setting a normal user id and then having postgres
>         identify the password
>         associated with it. Using postgres was the only thing that worked.
>
>         ## CONNECT TO LOCALHOST DATABASE:
>         drv <- dbDriver("PostgreSQL")
>         con <- dbConnect(drv, dbname="postgres", host='localhost',
>                           port='5432', user='postgres', password='brothers')
>         dbDisconnect(con)
>
>
>
>     ​OK. So, looking at the above, you are saying that the user is
>     "postgres" and that the table "test" is in the database "postgres"
>     (which is likely also owned by "postgres"). I'm unsure from your
>     response that this is correct. Is "test" in the "postgres" data
>     base? If not, you might get away with:
>
>     # replace proper-database in the following with the correct data
>     base name, which contains the "test" table
>     con <- dbConnect(drv, dbname="proper-database", host="localhost",
>     port='5432', user='postgres', password='brothers')
>
>
>     Normally, when I am logged in a myself, my code usually looks a bit
>     like:
>
>     dbname <- Sys.info['user']; # the data base name in PostgreSQL is
>     the same as my login id
>     con <- dbConnect(drv,dbname​=dbname); # connect to PostgreSQL on the
>     local host as myself (implicit).
>       ds_summary(con, "test", vars=c("Age"), y=c("Class"))
>
>     In my pg_hba.conf file, I have a line like:
>
>     local   all             all                                     trust
>
>     Which says that everyone coming in who are on the local host are
>     automatically logged in as their Linux (in my case) id.
>
>     Your code is connecting via TCPIP because you have the host= & port=
>     parameters. This is not normally needed for users running on the
>     same physical machine as the PostgreSQL data base server. So I'm too
>     lazy to do it [grin].
>
>     --
>
>     Schrodinger's backup: The condition of any backup is unknown until a
>     restore is attempted.
>
>     Yoda of Borg, we are. Futile, resistance is, yes. Assimilated, you
>     will be.
>
>     He's about as useful as a wax frying pan.
>
>     10 to the 12th power microphones = 1 Megaphone
>
>     Maranatha! <><
>     John McKown
>
>
>
>
> --
> *Abraham Mathew
> Data Ninja and Statistical Modeler
> *
> *Minneapolis, MN
> 720-648-0108
> @abmathewks
> Analytics_Blog <https://mathewanalytics.wordpress.com/>*


--
Adrian Klaver
adrian.klaver@aklaver.com