contrib/udf/src/udf_samples/udf_sample.h

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
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#pragma once

#include "udf.h"

namespace doris_udf {

IntVal AddUdf(FunctionContext* context, const IntVal& arg1, const IntVal& arg2);

/// --- Prepare / Close Functions ---
/// ---------------------------------

/// The UDF can optionally include a prepare function. The prepare function is called
/// before any calls to the UDF to evaluate values.
void AddUdfPrepare(FunctionContext* context, FunctionContext::FunctionStateScope scope);

/// The UDF can also optionally include a close function. The close function is called 
/// after all calls to the UDF have completed.
void AddUdfClose(FunctionContext* context, FunctionContext::FunctionStateScope scope);

}