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#include "GatherUtils.h"
#include "Selectors.h"
#include "Algorithms.h"
namespace DB::GatherUtils
{
namespace
{
struct ArrayPush : public ArrayAndValueSourceSelectorBySink<ArrayPush>
{
template <typename ArraySource, typename ValueSource, typename Sink>
static void selectArrayAndValueSourceBySink(
ArraySource && array_source, ValueSource && value_source, Sink && sink, bool push_front)
{
if (push_front)
concat(value_source, array_source, sink);
else
concat(array_source, value_source, sink);
}
};
}
void push(IArraySource & array_source, IValueSource & value_source, IArraySink & sink, bool push_front)
{
ArrayPush::select(sink, array_source, value_source, push_front);
}
}
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