Instantiate a Redshift client

Description

This function creates and initializes a PostgreSQL client with class RedshiftSQLDriver which is simply a superclass of PostgreSQLDriver

Usage

RedshiftSQL()

Examples

## Not run: 
con <- dbConnect(RedshiftSQL(), user="u", password = "p", host="h", dbname="n", port = "5439")
query <- dbSendQuery(con, "SELECT * FROM table")

## End(Not run)