RODBC and Microsoft SQL Server: Truncating Long Character Strings

Question

I am trying to query a variable from a Microsoft SQL Server database using R/RODBC. RODBC is truncating the character string at 8000 characters.

Original code: trun

Answer 1

Maybe this has changed recently, but with the following query format getting varchar(MAX) fields longer then 8000 character can be queried from SQL Server into R

query_string <- "SELECT CAST(text_var AS text) AS text_var FROM table_name"