mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-30 05:30:51 +00:00
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
#pragma once
|
|
|
|
#include <Processors/IProcessor.h>
|
|
#include <IO/Operators.h>
|
|
|
|
namespace DB
|
|
{
|
|
|
|
/** Print pipeline in "dot" format for GraphViz.
|
|
* You can render it with:
|
|
* dot -T png < pipeline.dot > pipeline.png
|
|
*/
|
|
|
|
template <typename Processors, typename Statuses>
|
|
void printPipeline(const Processors & processors, const Statuses & statuses, WriteBuffer & out)
|
|
{
|
|
out << "digraph\n{\n";
|
|
|
|
auto get_proc_id = [](const IProcessor & proc) -> UInt64
|
|
{
|
|
return reinterpret_cast<std::uintptr_t>(&proc);
|
|
};
|
|
|
|
auto statuses_iter = statuses.begin();
|
|
|
|
/// Nodes // TODO quoting and escaping
|
|
for (const auto & processor : processors)
|
|
{
|
|
out << "n" << get_proc_id(*processor) << "[label=\"" << processor->getName() << processor->getDescription();
|
|
|
|
if (statuses_iter != statuses.end())
|
|
{
|
|
out << " (" << IProcessor::statusToName(*statuses_iter) << ")";
|
|
++statuses_iter;
|
|
}
|
|
|
|
out << "\"];\n";
|
|
}
|
|
|
|
/// Edges
|
|
for (const auto & processor : processors)
|
|
{
|
|
for (const auto & port : processor->getOutputs())
|
|
{
|
|
if (!port.isConnected())
|
|
continue;
|
|
|
|
const IProcessor & curr = *processor;
|
|
const IProcessor & next = port.getInputPort().getProcessor();
|
|
|
|
out << "n" << get_proc_id(curr) << " -> " << "n" << get_proc_id(next) << ";\n";
|
|
}
|
|
}
|
|
out << "}\n";
|
|
}
|
|
|
|
template <typename Processors>
|
|
void printPipeline(const Processors & processors, WriteBuffer & out)
|
|
{
|
|
printPipeline(processors, std::vector<IProcessor::Status>(), out);
|
|
}
|
|
|
|
}
|