ClickHouse/dbms/include/DB/Functions/Conditional/StringEvaluator.h
2016-08-18 17:25:02 +03:00

23 lines
382 B
C++

#pragma once
#include <DB/Core/Block.h>
#include <DB/Core/ColumnNumbers.h>
namespace DB
{
namespace Conditional
{
class NullMapBuilder;
struct StringEvaluator final
{
/// For the meaning of the builder parameter, see the FunctionMultiIf::perform() declaration.
static bool perform(Block & block, const ColumnNumbers & args, size_t result, NullMapBuilder & builder);
};
}
}