selectSingleColumn
inline suspend fun <ColumnT, DataT> DatabaseClient<*>.selectSingleColumn(columnSet: ColumnSet, column: Column<ColumnT>, buildQuery: FieldSet.() -> Query, crossinline mapper: ColumnT.() -> DataT): RowSet<DataT>(source)
suspend fun <T> DatabaseClient<*>.selectSingleColumn(columnSet: ColumnSet, column: Column<T>, buildQuery: FieldSet.() -> Query): RowSet<T>(source)