Use Arc all the way down#6
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Omega359 merged 1 commit intoOmega359:udf_config_optionsfrom Aug 1, 2025
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alamb
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Jul 31, 2025
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| /// return the configuration options | ||
| pub fn config_options(&self) -> &ConfigOptions { | ||
| pub fn config_options(&self) -> &Arc<ConfigOptions> { |
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The major idea is to return &Arc rather and then use that directly
alamb
commented
Jul 31, 2025
| unsafe extern "C" fn clone_fn_wrapper(config: &FFI_SessionConfig) -> FFI_SessionConfig { | ||
| let old_private_data = config.private_data as *mut SessionConfigPrivateData; | ||
| let old_config = &(*old_private_data).config; | ||
| let old_config = Arc::clone(&(*old_private_data).config); |
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here is a good example of where it caught a deep copy of the config options which isn't necessary -- instead we can just clone the arc
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Arc<ConfigOptions>toScalarFunctionArgs, don't copyConfigOptionson each query apache/datafusion#16970It shows what is needed if we switch to using
&Arc<ConfigOptions>in most placesIt is technically a larger API change but I think it is eaiser to use and guides people to the correct usage