Using SQL "IN" with RJDBC or RMySQL
On Wed, Oct 19, 2011 at 12:35 AM, David Epstein <davideps at umich.edu> wrote:
Hello, The code below works fine up until I try to use the "IN" statement in the last line. The proper SQL format is: SELECT * FROM this_table WHERE this_column IN (1,2,3,4,5) But, I think I may be getting something like: SELECT * FROM this_table WHERE this_column IN c(1,2,3,4,5) Which makes no sense in SQL. I think it may be just a matter of string massaging, but I'm not certain. I've tried to build the query using sprintf statements with no luck. I could not get RMySQL to do it either. Any suggestions?
With gsubfn if you preface your function with fn$ as shown below then it turns on a quasi-perl style string interpolation: library(gsubfn) organization <- 3 org_table <- fn$dbGetQuery(conn,""SELECT id,organization_name FROM civicrm_contact WHERE contact_type=$organization") See ?fn and the gsubfn home page (http://gsubfn.googlecode.com) for details.
Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com