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#' Join Spark tbls.
#'
#' These functions are wrappers around their `dplyr` equivalents that set
#' Spark SQL-compliant values for the `suffix` argument by replacing dots (`.`)
#' with underscores (`_`). See [join] for a description of the general purpose
#' of the functions.
#'
#' @inheritParams dbplyr::join.tbl_sql
#'
#' @name join.tbl_spark
NULL
join_tbl_spark_impl <- function(x, y, by = NULL, copy = FALSE,
suffix = c("_x", "_y"), auto_index = FALSE,
..., sql_on = NULL
) {
if (any(grepl("\\.", suffix))) {
suffix <- gsub("\\.", "_", suffix)
message(
"Replacing '.' with '_' in suffixes. New suffixes: ",
paste(suffix, collapse = ", ")
)
}
NextMethod(suffix = suffix)
}
#' @rdname join.tbl_spark
#' @export
#' @importFrom dplyr inner_join
inner_join.tbl_spark <- join_tbl_spark_impl
#' @rdname join.tbl_spark
#' @export
#' @importFrom dplyr left_join
left_join.tbl_spark <- join_tbl_spark_impl
#' @rdname join.tbl_spark
#' @export
#' @importFrom dplyr right_join
right_join.tbl_spark <- join_tbl_spark_impl
#' @rdname join.tbl_spark
#' @export
#' @importFrom dplyr full_join
full_join.tbl_spark <- join_tbl_spark_impl
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