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#ifndef MYGRATE_OUTPUT_PQ_PQCONN_H
#define MYGRATE_OUTPUT_PQ_PQCONN_H
#include <cstddef>
#include <cstdio>
#include <dbConn.h>
#include <functional>
#include <initializer_list>
#include <libpq-fe.h>
#include <map>
#include <memory>
#include <string>
namespace MyGrate {
class DbValue;
}
namespace MyGrate::Output::Pq {
class PqErr : public std::runtime_error {
public:
PqErr(const std::string & when, PGconn *);
PqErr(const std::string & when, PGresult *);
};
class PqConn : public DbConn {
public:
static constexpr auto paramMode {ParamMode::DollarNum};
explicit PqConn(const char * const str);
virtual ~PqConn() = default;
void query(const char * const) override;
void query(const char * const, const std::initializer_list<DbValue> &) override;
DbPrepStmtPtr prepare(const char * const, std::size_t nParams) override;
void beginTx() override;
void commitTx() override;
void rollbackTx() override;
FILE * beginBulkUpload(const char * schema, const char * table);
void endBulkUpload(const char * errormsg);
const std::string connstr;
private:
static void notice_processor(void *, const char *);
virtual void notice_processor(const char *) const;
std::unique_ptr<PGconn, decltype(&PQfinish)> const conn;
friend class PqPrepStmt;
std::map<std::string, std::string, std::less<>> stmts;
};
}
#endif
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