\name{buildSelectQuery}
\alias{buildSelectQuery}
\title{
 Internal function to builds up the SELECT clause of the query.  
}
\usage{ 
buildSelectQuery(parameter)
}

\arguments{
  \item{parameter}{}
}
\description{
  Creates a list of column names for the \code{SELECT} clause of the
  query. If parameter is a single string, just return it.  If it is a
  vector of strings turn it into a comma separated string.  If it is empty,
  return appropriate wildcard character.
}
\seealso{
    \code{\link{pQuery}},\code{\link{vQuery}}
}
\keyword{database}