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#ifndef PQ_CONNECTION_H
#define PQ_CONNECTION_H
#include <connection.h>
#include <libpq-fe.h>
namespace PQ {
class Connection : public DB::Connection {
public:
Connection(const std::string & info);
~Connection();
void finish() const override;
int beginTx() const override;
int commitTx() const override;
int rollbackTx() const override;
bool inTx() const override;
void ping() const override;
void execute(const std::string & sql) const override;
DB::BulkDeleteStyle bulkDeleteStyle() const override;
DB::BulkUpdateStyle bulkUpdateStyle() const override;
DB::SelectCommand * newSelectCommand(const std::string & sql) const override;
DB::ModifyCommand * newModifyCommand(const std::string & sql) const override;
void beginBulkUpload(const char *, const char *) const override;
void endBulkUpload(const char *) const 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;
private:
static bool checkResultInt(PGresult * res, int expected, int alternative);
mutable unsigned int txDepth;
mutable unsigned int pstmntNo;
mutable bool rolledback;
};
}
#endif
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