Omega359 commented on code in PR #18017:
URL: https://github.com/apache/datafusion/pull/18017#discussion_r2429706593
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datafusion/core/src/execution/context/mod.rs:
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@@ -1072,6 +1074,16 @@ impl SessionContext {
} else {
let mut state = self.state.write();
state.config_mut().options_mut().set(&variable, &value)?;
+
+ // Register UDFs that return values based on session configuration
+ // e.g. now() which depends on the time_zone configuration option
+ if variable == "datafusion.execution.time_zone" {
Review Comment:
Hardcoding the variable and the function here I don't think is the correct
approach. It may work for the few functions provided by DF that require this
but it won't help any custom functions that might require this ability.
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