nealrichardson commented on a change in pull request #11306: URL: https://github.com/apache/arrow/pull/11306#discussion_r721500799
########## File path: r/R/dplyr-count-tally.R ########## @@ -0,0 +1,57 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. + +# The following S3 methods are registered on load if dplyr is present + +count.arrow_dplyr_query <- function(x, ..., wt = NULL, sort = FALSE, name = NULL) { + if (!missing(...)) { + out <- group_by(x, ..., .add = TRUE, .drop = .drop) + } else { + out <- x + } + + out <- tally(out, wt = !!enquo(wt), sort = sort, name = name) + + # Restore original group vars + gv <- dplyr::group_vars(x) + if (length(gv)) { + out$group_by_vars <- gv + } + + out +} + +count.Dataset <- count.ArrowTabular <- count.arrow_dplyr_query + +tally.arrow_dplyr_query <- function(x, wt = NULL, sort = FALSE, name = NULL) { + n <- dplyr:::tally_n(x, {{ wt }}) Review comment: Honestly it looks like a simple function (particularly if you ignore the deprecation warning check) so I'd just implement the logic below ########## File path: r/R/dplyr-count-tally.R ########## @@ -0,0 +1,57 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. + +# The following S3 methods are registered on load if dplyr is present + +count.arrow_dplyr_query <- function(x, ..., wt = NULL, sort = FALSE, name = NULL) { + if (!missing(...)) { + out <- group_by(x, ..., .add = TRUE, .drop = .drop) Review comment: .drop isn't in the signature, so that will fail won't it? Also, if you move `gv <- dplyr::group_vars(x)` before here, you can just overwrite `x` and not need the `else` case ```suggestion out <- group_by(x, ..., .add = TRUE) ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
