Repository: spark Updated Branches: refs/heads/branch-2.0 29ac2f62e -> d4ae35d02
[SPARKR][DOC] regexp_extract should doc that it returns empty string when match fails ## What changes were proposed in this pull request? Doc change - see https://issues.apache.org/jira/browse/SPARK-16324 ## How was this patch tested? manual check Author: Felix Cheung <felixcheun...@hotmail.com> Closes #14934 from felixcheung/regexpextractdoc. (cherry picked from commit 419eefd811a4e29a73bc309157f150751e478db5) Signed-off-by: Shivaram Venkataraman <shiva...@cs.berkeley.edu> Project: http://git-wip-us.apache.org/repos/asf/spark/repo Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/d4ae35d0 Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/d4ae35d0 Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/d4ae35d0 Branch: refs/heads/branch-2.0 Commit: d4ae35d02f92df407e54b65c2d6b48388448f031 Parents: 29ac2f6 Author: Felix Cheung <felixcheun...@hotmail.com> Authored: Fri Sep 2 10:28:37 2016 -0700 Committer: Shivaram Venkataraman <shiva...@cs.berkeley.edu> Committed: Fri Sep 2 10:28:57 2016 -0700 ---------------------------------------------------------------------- R/pkg/R/functions.R | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/spark/blob/d4ae35d0/R/pkg/R/functions.R ---------------------------------------------------------------------- diff --git a/R/pkg/R/functions.R b/R/pkg/R/functions.R index dbf8dd8..369b1d0 100644 --- a/R/pkg/R/functions.R +++ b/R/pkg/R/functions.R @@ -2876,7 +2876,8 @@ setMethod("randn", signature(seed = "numeric"), #' regexp_extract #' -#' Extract a specific(idx) group identified by a java regex, from the specified string column. +#' Extract a specific \code{idx} group identified by a Java regex, from the specified string column. +#' If the regex did not match, or the specified group did not match, an empty string is returned. #' #' @param x a string Column. #' @param pattern a regular expression. --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@spark.apache.org For additional commands, e-mail: commits-h...@spark.apache.org
