blob: 1029c16494176b1ddc8034eb98fa626417f9550c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
#pragma once
#include <Processors/ISource.h>
#include <Interpreters/AsynchronousInsertQueue.h>
namespace DB
{
namespace ErrorCodes
{
extern const int TIMEOUT_EXCEEDED;
extern const int LOGICAL_ERROR;
}
/// Source, that allow to wait until processing of
/// asynchronous insert for specified query_id will be finished.
class WaitForAsyncInsertSource : public ISource, WithContext
{
public:
WaitForAsyncInsertSource(
std::future<void> insert_future_, size_t timeout_ms_)
: ISource(Block())
, insert_future(std::move(insert_future_))
, timeout_ms(timeout_ms_)
{
assert(insert_future.valid());
}
String getName() const override { return "WaitForAsyncInsert"; }
protected:
Chunk generate() override
{
auto status = insert_future.wait_for(std::chrono::milliseconds(timeout_ms));
if (status == std::future_status::deferred)
throw Exception(ErrorCodes::LOGICAL_ERROR, "Logical error: got future in deferred state");
if (status == std::future_status::timeout)
throw Exception(ErrorCodes::TIMEOUT_EXCEEDED, "Wait for async insert timeout ({} ms) exceeded)", timeout_ms);
insert_future.get();
return Chunk();
}
private:
std::future<void> insert_future;
size_t timeout_ms;
};
}
|
