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dplyr-union.R
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dplyr-union.R
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# 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
union.arrow_dplyr_query <- function(x, y, ...) {
x <- as_adq(x)
y <- as_adq(y)
dplyr::distinct(dplyr::union_all(x, y))
}
union.Dataset <- union.ArrowTabular <- union.RecordBatchReader <- union.arrow_dplyr_query
union_all.arrow_dplyr_query <- function(x, y, ...) {
x <- as_adq(x)
y <- as_adq(y)
x$union_all <- list(right_data = y)
collapse.arrow_dplyr_query(x)
}
union_all.Dataset <- union_all.ArrowTabular <- union_all.RecordBatchReader <- union_all.arrow_dplyr_query