ClickHouse/dbms/src/Interpreters/tests/select_query.cpp
2017-07-13 08:59:01 +03:00

60 lines
1.6 KiB
C++

#include <iostream>
#include <iomanip>
#include <common/DateLUT.h>
#include <Poco/ConsoleChannel.h>
#include <IO/ReadBufferFromFileDescriptor.h>
#include <IO/WriteBufferFromFileDescriptor.h>
#include <Storages/StorageLog.h>
#include <Storages/System/attachSystemTables.h>
#include <Interpreters/Context.h>
#include <Interpreters/loadMetadata.h>
#include <Interpreters/executeQuery.h>
#include <Databases/IDatabase.h>
#include <Databases/DatabaseOrdinary.h>
using namespace DB;
int main(int argc, char ** argv)
try
{
Poco::AutoPtr<Poco::ConsoleChannel> channel = new Poco::ConsoleChannel(std::cerr);
Logger::root().setChannel(channel);
Logger::root().setLevel("trace");
/// Pre-initialize the `DateLUT` so that the first initialization does not affect the measured execution speed.
DateLUT::instance();
Context context = Context::createGlobal();
context.setPath("./");
loadMetadata(context);
DatabasePtr system = std::make_shared<DatabaseOrdinary>("system", "./metadata/system/");
context.addDatabase("system", system);
system->loadTables(context, nullptr, false);
attachSystemTablesLocal(*context.getDatabase("system"));
context.setCurrentDatabase("default");
ReadBufferFromFileDescriptor in(STDIN_FILENO);
WriteBufferFromFileDescriptor out(STDOUT_FILENO);
executeQuery(in, out, /* allow_into_outfile = */ false, context, {});
return 0;
}
catch (const Exception & e)
{
std::cerr << e.what() << ", " << e.displayText() << std::endl
<< std::endl
<< "Stack trace:" << std::endl
<< e.getStackTrace().toString();
return 1;
}