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exduckdb

0.9.0
0.9.0

An Elixir DuckDB library

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exduckdb c_src duckdb src function scalar generic alias.cpp
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c_src/duckdb/src/function/scalar/generic/alias.cpp 

#include "duckdb/function/scalar/generic_functions.hpp"

#include "duckdb/planner/expression/bound_function_expression.hpp"



namespace duckdb {



static void AliasFunction(DataChunk &args, ExpressionState &state, Vector &result) {

	auto &func_expr = (BoundFunctionExpression &)state.expr;

	Value v(state.expr.alias.empty() ? func_expr.children[0]->GetName() : state.expr.alias);

	result.Reference(v);

}



void AliasFun::RegisterFunction(BuiltinFunctions &set) {

	set.AddFunction(ScalarFunction("alias", {LogicalType::ANY}, LogicalType::VARCHAR, AliasFunction));

}



} // namespace duckdb