R/Support.R

In CohortAlgebra: Use of Interval Algebra to Create New Cohort(s) from Existing Cohorts

# Copyright 2025 Observational Health Data Sciences and Informatics
#
# This file is part of CohortAlgebra
#
# 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.
# See the License for the specific language governing permissions and
# limitations under the License.

generateRandomString <- function() {
  randomStringTableName <-
    tolower(paste0(
      "tmp_",
      paste0(sample(
        x = c(LETTERS, 0:9),
        size = 12,
        replace = TRUE
      ), collapse = "")
    ))
  return(randomStringTableName)
}

tableNameIsCompatibleWithTempTableName <- function(tableName) {
  grepl(
    pattern = "#",
    x = tableName,
    fixed = TRUE
  )
}