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# Changing this file requires running update_embedded_sources.R to rebuild sources and jars.
arrow_write_record_batch <- function(df, spark_version_number = NULL) {
arrow_env_vars <- list()
if (!is.null(spark_version_number) && spark_version_number < "3.0") {
# Spark < 3 uses an old version of Arrow, so send data in the legacy format
arrow_env_vars$ARROW_PRE_0_15_IPC_FORMAT <- 1
}
withr::with_envvar(arrow_env_vars, {
# Set the local timezone to any POSIXt columns that don't have one set
# https://github.com/sparklyr/sparklyr/issues/2439
df[] <- lapply(df, function(x) {
if (inherits(x, "POSIXt") && is.null(attr(x, "tzone"))) {
attr(x, "tzone") <- Sys.timezone()
}
x
})
arrow::write_to_raw(df, format = "stream")
})
}
arrow_record_stream_reader <- function(stream) {
arrow::RecordBatchStreamReader$create(stream)
}
arrow_read_record_batch <- function(reader) reader$read_next_batch()
arrow_as_tibble <- function(record) as.data.frame(record)
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