build-cran-binaries/R/metadata-query.R
2024-09-21 08:19:04 +02:00

52 lines
1.7 KiB
R

#' Query a specific table in the Postgres database containing the metadata
#' @param table Table name. See [list_metadata_tables()] for valid tables.
#' @importFrom DBI dbConnect dbGetQuery
#' @importFrom RPostgres Postgres
#' @importFrom dplyr tbl
#' @export
query_metadata_table <- function(table = "single_builds") {
con <- DBI::dbConnect(RPostgres::Postgres(),
dbname = "build_metadata", host = "r-binaries.devxy.io",
port = 15432, user = "r_binaries", password = Sys.getenv("PGPASS")
)
metadata <- tbl(con, table)
return(metadata)
}
#' List existing database tables
#' @export
list_metadata_tables <- function() {
con <- DBI::dbConnect(RPostgres::Postgres(),
dbname = "build_metadata", host = "r-binaries.devxy.io",
port = 15432, user = "r_binaries", password = Sys.getenv("PGPASS")
)
dbListTables(con)
}
query_metadata_summary <- function(package_name = NULL, platform = NULL) {
# s3 <- paws.storage::s3(config = list(
# endpoint = "https://s3.eu-central-003.backblazeb2.com",
# region = "eu-central-003"
# ))
# db_local <- s3$get_object(Bucket = "devxy-arm64-r-binaries-db", Key = "metadata.sqlite")
# writeBin(db_local$Body, "/tmp/metadata.sqlite")
# Create a new SQLite connection
con <- dbcon_mem()
# If both package_name and platform are NULL, return the full table
if (is.null(package_name) && is.null(platform)) {
summary <- dbGetQuery(con, "SELECT * FROM metadata_summary")
} else {
# Query the metadata_summary table for the specified package and platform
summary <- dbGetQuery(con, paste0(
"SELECT * FROM metadata_summary WHERE package_name = '",
package_name, "' AND platform = '", platform, "'"
))
}
# Close the SQLite connection
dbDisconnect(con)
return(summary)
}