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#' @title Export a CDM (Vocabulary and Event tables) into a SQLite Database. | ||
#' | ||
#' @description This function fetches (pruned) table data into R dataframes and writes them to a SQLite DB. (Eunomia support) | ||
#' | ||
#' @param connectionDetails An R object of type\cr\code{connectionDetails} created using the | ||
#' function \code{createConnectionDetails} in the | ||
#' \code{DatabaseConnector} package. | ||
#' | ||
#' @param cdmSchema The name of the database schema that contains the CDM. | ||
#' Requires read and write permissions to this database. On SQL | ||
#' Server, this should specifiy both the database and the schema, | ||
#' so for example 'cdm_instance.dbo'. | ||
#' | ||
#' @param SQLiteDbName The name of the SQLite Database File. | ||
#' | ||
#'@export | ||
|
||
exportToSQLite <- | ||
function(connectionDetails, | ||
cdmSchema, | ||
SQLiteDbName = "cdm.sqlite") | ||
{ | ||
conn <- DatabaseConnector::connect(connectionDetails) | ||
sqliteCD <- | ||
DatabaseConnector::createConnectionDetails(dbms = "sqlite", server = SQLiteDbName) | ||
sqliteCon <- DatabaseConnector::connect(sqliteCD) | ||
|
||
eventTable <- c( | ||
"care_site", | ||
"cdm_source", | ||
"cohort", | ||
"cohort_attribute", | ||
"condition_era", | ||
"condition_occurrence", | ||
"cost", | ||
"death", | ||
"device_exposure", | ||
"dose_era", | ||
"drug_era", | ||
"drug_exposure", | ||
"fact_relationship", | ||
"location", | ||
"measurement", | ||
"metadata", | ||
"note", | ||
"note_nlp", | ||
"observation", | ||
"observation_period", | ||
"payer_plan_period", | ||
"person", | ||
"procedure_occurrence", | ||
"provider", | ||
"specimen", | ||
"visit_detail", | ||
"visit_occurrence" | ||
) | ||
|
||
vocabTable <- c( | ||
"concept", | ||
"concept_ancestor", | ||
"concept_class", | ||
"concept_relationship", | ||
"concept_synonym", | ||
"domain", | ||
"drug_strength", | ||
"relationship", | ||
"source_to_concept_map", | ||
"vocabulary" | ||
) | ||
|
||
for (tableName in c(eventTable, vocabTable)) { | ||
sqlQuery <- | ||
paste0("select * from ", paste0(cdmSchema, ".", tableName), ";") | ||
translatedSql <- | ||
SqlRender::translate(sqlQuery, targetDialect = connectionDetails$dbms) | ||
writeLines(paste0("Fetching: ", tableName)) | ||
tableData <- DatabaseConnector::querySql(conn, translatedSql) | ||
DatabaseConnector::insertTable( | ||
connection = sqliteCon, | ||
tableName = toupper(tableName), | ||
data = tableData | ||
) | ||
} | ||
|
||
DatabaseConnector::disconnect(conn) | ||
DatabaseConnector::disconnect(sqliteCon) | ||
} | ||
#' @title Export a CDM (Vocabulary and Event tables) into a SQLite Database. | ||
#' | ||
#' @description This function fetches (pruned) table data into R dataframes and writes them to a SQLite DB. (Eunomia support) | ||
#' | ||
#' @param connectionDetails An R object of type\cr\code{connectionDetails} created using the | ||
#' function \code{createConnectionDetails} in the | ||
#' \code{DatabaseConnector} package. | ||
#' | ||
#' @param cdmSchema The name of the database schema that contains the CDM. | ||
#' Requires read and write permissions to this database. On SQL | ||
#' Server, this should specifiy both the database and the schema, | ||
#' so for example 'cdm_instance.dbo'. | ||
#' | ||
#' @param SQLiteDbName The name of the SQLite Database File. | ||
#' | ||
#'@export | ||
|
||
exportToSQLite <- | ||
function(connectionDetails, | ||
cdmSchema, | ||
SQLiteDbName = "cdm.sqlite") | ||
{ | ||
conn <- DatabaseConnector::connect(connectionDetails) | ||
sqliteCD <- | ||
DatabaseConnector::createConnectionDetails(dbms = "sqlite", server = SQLiteDbName) | ||
sqliteCon <- DatabaseConnector::connect(sqliteCD) | ||
|
||
eventTable <- c( | ||
"care_site", | ||
"cdm_source", | ||
"cohort", | ||
"cohort_attribute", | ||
"condition_era", | ||
"condition_occurrence", | ||
"cost", | ||
"death", | ||
"device_exposure", | ||
"dose_era", | ||
"drug_era", | ||
"drug_exposure", | ||
"fact_relationship", | ||
"location", | ||
"measurement", | ||
"metadata", | ||
"note", | ||
"note_nlp", | ||
"observation", | ||
"observation_period", | ||
"payer_plan_period", | ||
"person", | ||
"procedure_occurrence", | ||
"provider", | ||
"specimen", | ||
"visit_detail", | ||
"visit_occurrence" | ||
) | ||
|
||
vocabTable <- c( | ||
"concept", | ||
"concept_ancestor", | ||
"concept_class", | ||
"concept_relationship", | ||
"concept_synonym", | ||
"domain", | ||
"drug_strength", | ||
"relationship", | ||
"source_to_concept_map", | ||
"vocabulary" | ||
) | ||
|
||
for (tableName in c(eventTable, vocabTable)) { | ||
sqlQuery <- | ||
paste0("select * from ", paste0(cdmSchema, ".", tableName), ";") | ||
translatedSql <- | ||
SqlRender::translate(sqlQuery, targetDialect = connectionDetails$dbms) | ||
writeLines(paste0("Fetching: ", tableName)) | ||
tableData <- DatabaseConnector::querySql(conn, translatedSql) | ||
DatabaseConnector::insertTable( | ||
connection = sqliteCon, | ||
tableName = toupper(tableName), | ||
data = tableData | ||
) | ||
} | ||
|
||
DatabaseConnector::disconnect(conn) | ||
DatabaseConnector::disconnect(sqliteCon) | ||
} |