public:

PGconnection(Client *c,

int flags = 0,

int memory = 0,

char *foreignBuffer = NULL);

/*

int setDbLogin(IPAddress server,

const char *user,

const char *passwd = NULL,

const char *db = NULL,

const char *charset = NULL,

int port = 5432);

/*

int status(void);

/*

void close(void);

/*

int execute(const char *query, int progmem = 0);

/* should be called periodically in idle state

int getData(void);

/*

char *getColumn(int n);

/*

char *getValue(int);

/*

char *getMessage(void);

int dataStatus(void) {

return result_status;

};

int nfields(void) {

return _nfields;

};

int ntuples(void) {

return _ntuples;

};

/*

int escapeString(const char *inbuf, char *outbuf);

/*

int escapeName(const char *inbuf, char *outbuf);

/*

int executeFormat(int progmem, const char *format, ...);

private:

Client *client;

int pqPacketSend(char pack_type, const char *buf, int buf_len, int progmem = 0);

int pqGetc(char *);

int pqGetInt4(int32_t *result);

int pqGetInt2(int16_t *result);

int pqGetnchar(char *s, int len);

int pqSkipnchar(int len);

int pqGets(char *s, int maxlen);

int pqGetRowDescriptions(void);

int pqGetRow(void);

void setMsg(const char *, int);

void setMsg_P(const char *, int);

int pqGetNotice(int);

int pqGetNotify(int32_t);

char *_user;

char *_passwd;

char *Buffer;

int bufSize;

int bufPos;

int writeMsgPart(const char *s, int len, int fine);

int writeMsgPart_P(const char *s, int len, int fine);

int32_t writeFormattedQuery(int32_t length, int progmem, const char *format, va_list va);

int build_startup_packet(char *packet, const char *db, const char *charset);

byte conn_status;

byte attempts;

int16_t _nfields;

int16_t _ntuples;

#ifdef ESP32

uint64_t _formats;

uint64_t _null;

#else

uint32_t _formats;

uint32_t _null;

#endif

byte _binary;

byte _flags;

int result_status;