84 lines
3.2 KiB
R
84 lines
3.2 KiB
R
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# Copyright 2019 Observational Health Data Sciences and Informatics
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#
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# This file is part of CdmDdlBase
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#' Create a DDL script from a two csv files that detail the OMOP CDM Specifications. These files also form the basis of the CDM documentation and the Data Quality
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#' Dashboard.
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#'
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#' @param cdmVersionNum The version of the CDM you are creating
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#'
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#' @param cdmTableCsvLoc The location of the csv file with the high-level CDM table information. This is defaulted to "inst/csv/OMOP_CDMv5.3.1_Table_Level.csv".
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#' If a new version of this file was committed to the CDM repository the package automatically will grab it and place it in "inst/csv/".
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#' @param cdmFieldCsvLoc The location of the csv file with the CDM field information. This is defaulted to "inst/csv/OMOP_CDMv5.3.1_Field_Level.csv".
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#' If a new version of this file was committed to the CDM repository the package automatically will grab it and place it in "inst/csv/".
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#' @param outputFile The name of the output ddl sql file. This is defaulted to a location in the inst/sql/sql server folder and named with today's date and the CDM version.
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#' @export
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createDdlFromFile <- function(cdmVersionNum = cdmVersion,
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cdmTableCsvLoc = "inst/csv/OMOP_CDMv5.3.1_Table_Level.csv",
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cdmFieldCsvLoc = "inst/csv/OMOP_CDMv5.3.1_Field_Level.csv",
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outputFile = paste0("inst/sql/sql_server/OMOP CDM ddl ", cdmVersion, " ", Sys.Date(), ".sql")){
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tableSpecs <- read.csv(cdmTableCsvLoc, stringsAsFactors = FALSE)
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cdmSpecs <- read.csv(cdmFieldCsvLoc, stringsAsFactors = FALSE)
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tableList <- tableSpecs$cdmTableName
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s <- c()
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s <- c(paste0("--@targetdialect CDM DDL Specification for OMOP Common Data Model ",cdmVersionNum))
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for (t in tableList){
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table <- subset(cdmSpecs, cdmTableName == t)
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fields <- table$cdmFieldName
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if ('person_id' %in% fields){
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q <- "\n\n--HINT DISTRIBUTE ON KEY (person_id)\n"
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} else {
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q <- "\n\n--HINT DISTRIBUTE ON RANDOM\n"
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}
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s <- c(s, q, paste0("CREATE TABLE @cdmDatabaseSchema.", t, " (\n"))
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end <- length(fields)
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a <- c()
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for(f in fields) {
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if (subset(table, cdmFieldName == f, isRequired) == "Yes") {
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r <- (" NOT NULL")
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} else {
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r <- (" NULL")
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}
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if (f == fields[[end]]) {
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e <- (" );")
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} else {
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e <- (",")
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}
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if (f=="offset") {
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field <- paste0('"',f,'"')
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} else {
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field <- f
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}
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a <- c(a, paste0("\n\t\t\t",field," ",subset(table, cdmFieldName == f, cdmDatatype),r,e))
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}
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s <- c(s, a, "")
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}
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SqlRender::writeSql(s, targetFile = outputFile)
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return(s)
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}
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