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# SPDX-Copyright: Copyright (c) Capital One Services, LLC
# SPDX-License-Identifier: Apache-2.0
# Copyright 2017 Capital One Services, LLC
#
# Licensed 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.
#' rcompObjItemLength: return length of an item, returning 0 if null, and handling the fact that
#' we might have a data frames or a vector
#'
#' @param x an object
#' @return length, numeric
rcompObjItemLength <- function(x){
if (isNotNull(x)) {
if(is.data.frame(x)) {
len <- nrow(x)
} else {
len <- length(x)
}
} else {
len <- 0
}
return(len)
}
#' colsWithUnequalValues: a dataframe summarising a column with unequal values
#'
#' @param x the column to be considered
#' @param mismatches - a mismatches object from an dataCompareR object
#' @return data frame with a summary of the mismatching column
colsWithUnequalValues <- function(x, mismatches){
if (isNotNull(x)) {
colName <- names(mismatches[x])
colTypeA <- unlist(unique(mismatches[[x]]['typeA']))
colTypeB <- unlist(unique(mismatches[[x]]['typeB']))
nDif <- unlist(nrow(mismatches[[x]]))
maxDif <- as.character(suppressWarnings(unlist(
apply(mismatches[[x]]['diffAB'], 2, function(x) {
if (is.numeric(x) & length(x) > 0) {
max(abs(x), na.rm = TRUE)
} else {
NA
}
}))))
maxDif[maxDif == "-Inf"] <- ""
missDif <- unlist(sum(is.na(mismatches[[x]]['diffAB'])))
data.frame(colName, colTypeA, colTypeB, nDif, maxDif ,missDif,
row.names = NULL)
}
}
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