Method GetTable

storage/connect/tabjson.cpp:685–809

/ GetTable: makes a new Table Description Block. */ /

/*  GetTable: makes a new Table Description Block.                     */
/***********************************************************************/
PTDB JSONDEF::GetTable(PGLOBAL g, MODE m)
{
  if (trace(1))
    htrc("JSON GetTable Pretty=%d Uri=%s\n", Pretty, SVP(Uri));

  if (Catfunc == FNC_COL)
    return new(g)TDBJCL(this);

  PTDBASE tdbp;
  PTXF    txfp = NULL;

  // JSN not used for pretty=1 for insert or delete
  if (Pretty <= 0 || (Pretty == 1 && (m == MODE_READ || m == MODE_UPDATE))) {
    USETEMP tmp = UseTemp();
    bool    map = Mapped && Pretty >= 0 && m != MODE_INSERT &&
                !(tmp != TMP_NO && m == MODE_UPDATE) &&
                !(tmp == TMP_FORCE &&
                (m == MODE_UPDATE || m == MODE_DELETE));

    if (Uri) {
      if (Driver && toupper(*Driver) == 'C') {
#if defined(CMGO_SUPPORT)
      txfp = new(g) CMGFAM(this);
#else
      snprintf(g->Message, sizeof(g->Message), "Mongo %s Driver not available", "C");
      return NULL;
#endif
      } else if (Driver && toupper(*Driver) == 'J') {
#if defined(JAVA_SUPPORT)
        txfp = new(g) JMGFAM(this);
#else
        snprintf(g->Message, sizeof(g->Message), "Mongo %s Driver not available", "Java");
        return NULL;
#endif
      } else {             // Driver not specified
#if defined(CMGO_SUPPORT)
        txfp = new(g) CMGFAM(this);
#elif defined(JAVA_SUPPORT)
        txfp = new(g) JMGFAM(this);
#else   // !MONGO_SUPPORT
        snprintf(g->Message, sizeof(g->Message), MSG(NO_FEAT_SUPPORT), "MONGO");
        return NULL;
#endif  // !MONGO_SUPPORT
      } // endif Driver

      Pretty = 4;   // Not a file
    } else if (Zipped) {
#if defined(ZIP_SUPPORT)
      if (m == MODE_READ || m == MODE_ANY || m == MODE_ALTER) {
        txfp = new(g) UNZFAM(this);
      } else if (m == MODE_INSERT) {
        txfp = new(g) ZIPFAM(this);
      } else {
        safe_strcpy(g->Message, sizeof(g->Message), "UPDATE/DELETE not supported for ZIP");
        return NULL;
      } // endif's m
#else   // !ZIP_SUPPORT
      snprintf(g->Message, sizeof(g->Message), MSG(NO_FEAT_SUPPORT), "ZIP");