1 | #include "GatherUtils.h" |
2 | #include "Selectors.h" |
3 | #include "Algorithms.h" |
4 | |
5 | namespace DB::GatherUtils |
6 | { |
7 | |
8 | struct ArrayPush : public ArrayAndValueSourceSelectorBySink<ArrayPush> |
9 | { |
10 | template <typename ArraySource, typename ValueSource, typename Sink> |
11 | static void selectArrayAndValueSourceBySink( |
12 | ArraySource && array_source, ValueSource && value_source, Sink && sink, bool push_front) |
13 | { |
14 | if (push_front) |
15 | concat(value_source, array_source, sink); |
16 | else |
17 | concat(array_source, value_source, sink); |
18 | } |
19 | }; |
20 | |
21 | |
22 | void push(IArraySource & array_source, IValueSource & value_source, IArraySink & sink, bool push_front) |
23 | { |
24 | ArrayPush::select(sink, array_source, value_source, push_front); |
25 | } |
26 | } |
27 | |