<div dir="ltr">Got an error from MonetDB.R on select:<div><simpleError in monetdbRtype(info$types[i]): Unknown DB type MONTH_INTERVAL></div><div><br></div><div>You can get this just by doing:</div><div><div>dbGetQuery(conn, "select cast('2015-03-02' as date) - cast('2015-03-01' as date)")</div><div><br></div><div>May be it should be integer number:</div><div>dbGetQuery(conn, "select cast(cast('2015-03-02' as date) - cast('2015-03-01' as date) as integer)")<br></div><div><br></div><div><br></div>--
</div><div>Roman Kislenok</div></div>