dplyr integration; src interface improvements

- Bring dplyr integration back (#4). See

https://groups.google.com/forum/#!topic/manipulatr/9QrAEMt-9jc/discussion
- src_sqlserver interface improved to match dbConnect for
SQLServerDriver and improved documentation
- Improve performance of printing tbl objects (#12)

DESCRIPTION

@@ -24,7 +24,8 @@ Imports:
     DBI (>= 0.3.1),
     RJDBC (>= 0.2-4),
     assertthat (>= 0.1),
-    yaml
+    yaml,
+    dplyr
 Enhances: dplyr (>= 0.3.0.2)
 SystemRequirements: Java (>= 1.3), Windows (>= 6.1)
 URL: https://github.com/imanuelcostigan/RSQLServer
@@ -38,3 +39,4 @@ Collate:
     'RSQLServer.R'
     'Utils.R'
     'onLoad.R'
+    'src-sqlserver.R'

NAMESPACE

@@ -1,7 +1,23 @@
 # Generated by roxygen2 (4.1.1): do not edit by hand
 
+S3method(compute,tbl_sqlserver)
+S3method(db_explain,SQLServerConnection)
+S3method(db_has_table,SQLServerConnection)
+S3method(db_list_tables,SQLServerConnection)
+S3method(db_query_fields,SQLServerConnection)
+S3method(db_query_rows,SQLServerConnection)
+S3method(db_save_query,SQLServerConnection)
+S3method(sql_join,SQLServerConnection)
+S3method(sql_select,SQLServerConnection)
+S3method(src_desc,src_sqlserver)
+S3method(src_translate_env,src_sqlserver)
+S3method(tbl,src_sqlserver)
 export(SQLServer)
 export(have_test_server)
+export(head.tbl_sqlserver)
+export(intersect.tbl_sqlserver)
+export(setdiff.tbl_sqlserver)
+export(src_sqlserver)
 exportClasses(SQLServerConnection)
 exportClasses(SQLServerDriver)
 exportClasses(SQLServerResult)
@@ -15,3 +31,15 @@ import(DBI)
 import(RJDBC)
 import(methods)
 import(rJava)
+importFrom(dplyr,compute)
+importFrom(dplyr,db_explain)
+importFrom(dplyr,db_has_table)
+importFrom(dplyr,db_list_tables)
+importFrom(dplyr,db_query_fields)
+importFrom(dplyr,db_query_rows)
+importFrom(dplyr,db_save_query)
+importFrom(dplyr,sql_join)
+importFrom(dplyr,sql_select)
+importFrom(dplyr,src_desc)
+importFrom(dplyr,src_translate_env)
+importFrom(dplyr,tbl)

R/DBConnection.R

@@ -20,33 +20,7 @@ setClass("SQLServerConnection", contains = 'JDBCConnection')
 #' @param drv An objected of class \code{\linkS4class{SQLServerDriver}}, or an
 #' existing \code{\linkS4class{SQLServerConnection}}. If a connection,
 #' the connection will be cloned.
-#' @param server the server address or recognised alias thereof.
-#' @param file defaults to using the server details file in
-#' \code{$HOME/sql.yaml}. The server details including \code{type}, \code{port}
-#' and any optional \code{properties} can be sourced from this file. If the
-#' \code{server} name is found in \code{file}, the details therein are used
-#' (and in particular, those provided in other arguments to this function are
-#' ignored). The connection method prefers server details to be provided in
-#' a \code{"sql.yaml"} file rather than provided as arguments to this function.
-#' If you wish to specify the details as parameters, ensure that the \code{file}
-#' argument is missing from the call.
-#' @param type the server type. Must be either \code{"sqlserver"} or
-#' \code{"sybase"}. Defaults to \code{"sqlserver"}.
-#' @param port the TCP/IP default port. This will be coerced to a string. Defaults
-#' to \code{1433} if an empty string.
-#' @param database the name of the database hosted on the \code{server}. If an
-#' empty string, a connection to the default database on \code{server} is
-#' assumed.
-#' @param properties One or more \href{http://jtds.sourceforge.net/faq.html}{optional connection properties.}
-#' in a named list. Note if you intend to set the \code{useNTLMv2} property to \code{'true'}
-#' from the default API value of \code{'false'}, you will need to make a specific
-#' authentication driver available to the SQL Server driver, although this hasn't
-#' worked particularly well in testing. See \code{\link{RSQLServer}} for more
-#' details. Should you wish to use Windows authentication to connect to the server,
-#' I recommend you set the following optional parameters: set \code{useNTLMv2} to
-#' \code{'true'}, \code{domain} to your domain and \code{user} and
-#' \code{password} to your username and password on \code{domain}. jTDS'
-#' SSO functionality is flaky.
+#' @template sqlserver-parameters
 #' @return a \code{\linkS4class{SQLServerConnection}}
 #' @examples
 #' # View sql.yaml file bundled in package