bool PDOPgSqlStatement::getColumnMeta(int64_t colno, Array &return_value){
        if (!m_result){
            return false;
        }

        if(colno < 0 || colno >= column_count){
            return false;
        }

        Oid coltype = m_pgsql_column_types[colno];

        return_value.add(String("pgsql:oid"), (long)coltype);

        std::string q = strprintf("SELECT TYPNAME FROM PG_TYPE WHERE OID=%u", coltype);

        PQ::Result res = m_server->exec(q);

        ExecStatusType status = res.status();

        if(status != PGRES_TUPLES_OK){
            return true;
        }

        if(res.numTuples() != 1){
            return true;
        }

        return_value.add(String("native_type"), String(res.getValue(0, 0)));

        return true;
    }
Esempio n. 2
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String PDOPgSqlConnection::lastId(const char *name){
  if (name == nullptr || strlen(name) == 0){
    // This branch of code doesn't seem to ever do anything useful
    // however it does pretty much the same as the zend implementation
    // and that doesn't seem to provide anything useful either
    if(this->pgoid == InvalidOid){
      return empty_string();
    }
    return String((long)this->pgoid);
  } else {
    const char *values[1];
    values[0] = name;
    PQ::Result res = m_server->exec("SELECT CURRVAL($1)", 1, values);

    ExecStatusType status = res.status();

    if(res && (status == PGRES_TUPLES_OK)){
      return String(res.getValue(0, 0), CopyString);
    } else {
      HANDLE_ERROR(nullptr, res);
      return empty_string();
    }
  }
}
Esempio n. 3
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int PDOPgSqlConnection::getAttribute(int64_t attr, Variant &value){
  switch(attr){
    case PDO_ATTR_CLIENT_VERSION:
      value = String(PG_VERSION);
      break;
    case PDO_ATTR_SERVER_VERSION:
      if(m_server->protocolVersion() >= 3){ // Postgres 7.4 or later
        value = String(m_server->parameterStatus("server_version"), CopyString);
      } else {
        PQ::Result res = m_server->exec("SELECT VERSION()");
        if(res && res.status() == PGRES_TUPLES_OK){
          value = String((char *)res.getValue(0, 0), CopyString);
        }
      }
      break;
    case PDO_ATTR_CONNECTION_STATUS:
      switch(m_server->status()){
        case CONNECTION_STARTED:
          value = String("Waiting for connection to be made.", CopyString);
          break;

        case CONNECTION_MADE:
        case CONNECTION_OK:
          value = String("Connection OK; waiting to send.", CopyString);
          break;

        case CONNECTION_AWAITING_RESPONSE:
          value = String("Waiting for a response from the server.", CopyString);
          break;

        case CONNECTION_AUTH_OK:
          value = String(
            "Received authentication; waiting for backend start-up to finish.",
            CopyString
          );
          break;
#ifdef CONNECTION_SSL_STARTUP
        case CONNECTION_SSL_STARTUP:
          value = String("Negotiating SSL encryption.", CopyString);
          break;
#endif
        case CONNECTION_SETENV:
          value = String(
            "Negotiating environment-driven parameter settings.", CopyString
          );
          break;

        case CONNECTION_BAD:
        default:
          value = String("Bad connection.", CopyString);
          break;
      }
      break;
    case PDO_ATTR_SERVER_INFO:
      {
        int spid = m_server->backendPID();

        std::stringstream result;
        result << "PID: ";
        result << spid;
        result << "; Client Encoding: ";
        result << m_server->parameterStatus("client_encoding");
        result << "; Is Superusser: ";
        result << m_server->parameterStatus("is_superuser");
        result << "; Session Authorization: ";
        result << m_server->parameterStatus("session_authorization");
        result << "; Date Style: ";
        result << m_server->parameterStatus("DateStyle");

        value = String(result.str());
      }
      break;
    default:
      return 0;
  }

  return 1;
}