ClickHouse/programs/odbc-bridge/MainHandler.h

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#pragma once
#include <Interpreters/Context_fwd.h>
#include <Server/HTTP/HTTPRequestHandler.h>
#include <Poco/Logger.h>
#include <mutex>
#include <unordered_map>
namespace DB
{
/** Main handler for requests to ODBC driver
* requires connection_string and columns in request params
* and also query in request body
* response in RowBinary format
*/
class ODBCHandler : public HTTPRequestHandler, WithContext
{
public:
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ODBCHandler(
size_t keep_alive_timeout_,
ContextPtr context_,
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const String & mode_)
: WithContext(context_)
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, log(getLogger("ODBCHandler"))
, keep_alive_timeout(keep_alive_timeout_)
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, mode(mode_)
{
}
void handleRequest(HTTPServerRequest & request, HTTPServerResponse & response, const ProfileEvents::Event & write_event) override;
private:
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LoggerPtr log;
size_t keep_alive_timeout;
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String mode;
static inline std::mutex mutex;
void processError(HTTPServerResponse & response, const std::string & message);
};
}