Omega359 commented on code in PR #11403:
URL: https://github.com/apache/datafusion/pull/11403#discussion_r1675940838
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datafusion/core/src/execution/session_state.rs:
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@@ -976,6 +837,482 @@ impl SessionState {
}
}
+/// A builder to be used for building [`SessionState`]'s. Defaults will be
used for all values
+/// unless explicitly provided. Note that there is no `Default` or `new()` for
SessionState,
+/// to avoid accidentally running queries or other operations without passing
through
+/// the [`SessionConfig`] or [`RuntimeEnv`].
+pub struct SessionStateBuilder {
+ state: SessionState,
+ use_defaults: bool,
+}
+
+impl SessionStateBuilder {
+ /// Returns new [`SessionStateBuilder`] using the provided
+ /// [`SessionConfig`] and [`RuntimeEnv`].
+ pub fn new_with_config_rt(
Review Comment:
I had that originally however I decided to switch just to mirror the
existing behavior. It's a simple change, just would need to document that
.build() will fail if config and runtime_env are not provided (assuming that we
don't just use defaults there)
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