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#ifndef PQ_CONNECTION_H
#define PQ_CONNECTION_H
#include <connection.h>
#include <set>
#include <libpq-fe.h>
#include <visibility.h>
#include "pq-error.h"
namespace PQ {
class ConnectionError : public virtual Error, public virtual DB::ConnectionError {
public:
ConnectionError(const PGconn *);
};
class DLL_PUBLIC Connection : public DB::Connection {
public:
typedef std::size_t StatementHash;
typedef std::map<StatementHash, std::string> PreparedStatements;
Connection(const std::string & info);
~Connection();
void beginTxInt() override;
void commitTxInt() override;
void rollbackTxInt() override;
void ping() const override;
void execute(const std::string & sql, const DB::CommandOptionsCPtr & = nullptr) override;
DB::BulkDeleteStyle bulkDeleteStyle() const override;
DB::BulkUpdateStyle bulkUpdateStyle() const override;
DB::SelectCommandPtr select(const std::string & sql, const DB::CommandOptionsCPtr & = nullptr) override;
DB::ModifyCommandPtr modify(const std::string & sql, const DB::CommandOptionsCPtr & = nullptr) override;
int64_t insertId() override;
int serverVersion() const;
void beginBulkUpload(const char *, const char *) override;
void endBulkUpload(const char *) override;
size_t bulkUploadData(const char *, size_t) const override;
PGresult * checkResult(PGresult * res, int expected, int alternative = -1) const;
void checkResultFree(PGresult * res, int expected, int alternative = -1) const;
PGconn * conn;
mutable PreparedStatements preparedStatements;
private:
static bool checkResultInt(PGresult * res, int expected, int alternative);
};
}
#endif
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