xushiyan commented on code in PR #570:
URL: https://github.com/apache/hudi-rs/pull/570#discussion_r3013081250
##########
cpp/src/lib.rs:
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@@ -23,6 +23,19 @@ use cxx::{CxxString, CxxVector};
use hudi::file_group::FileGroup;
use hudi::file_group::file_slice::FileSlice;
use hudi::file_group::reader::FileGroupReader;
+use std::sync::OnceLock;
+
+static LOGGER: OnceLock<()> = OnceLock::new();
+
+/// Initialize env_logger exactly once for the lifetime of the loaded shared
library.
+///
+/// Reads RUST_LOG from the environment at the time the first FileGroupReader
is created.
+/// Example: RUST_LOG=hudi_core=debug enables all hudi-core debug logs.
Review Comment:
can we split the changes into separate PR pls? the title suggests it's about
support "ordering fields" as alias, so let's separate out logger changes?
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