Method DropDatabase

IO/PostgreSQL/vtkPostgreSQLDatabase.cxx:600–644

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool vtkPostgreSQLDatabase::DropDatabase(const char* dbName)
{
  if (!dbName || strlen(dbName) == 0)
  {
    vtkErrorMacro("DropDatabase called with an empty database name");
    return false;
  }

  if (!strcmp(dbName, this->DatabaseName))
  {
    // Can't drop database we're connected to... connect to the default db.
    this->SetDatabaseName("template1");
  }

  if (!this->Connection)
  {
    bool err = true;
    if (this->DatabaseName && this->HostName)
    {
      err = !this->Open();
    }
    if (err)
    {
      vtkErrorMacro("Must be connected to a server to create a database.");
      return false;
    }
  }

  std::string qstr("DROP DATABASE IF EXISTS \"");
  qstr += dbName;
  qstr += "\"";
  vtkSQLQuery* query = this->GetQueryInstance();
  query->SetQuery(qstr.c_str());
  if (!query->Execute())
  {
    this->SetLastErrorText(query->GetLastErrorText());
    vtkErrorMacro(<< "Could not drop database \"" << dbName << "\".  "
                  << query->GetLastErrorText());
    query->Delete();
    return false;
  }
  this->SetLastErrorText(nullptr);
  query->Delete();
  return true;
}

void vtkPostgreSQLDatabase::NullTrailingWhitespace(char* msg)
{