Method SetQuery

IO/MySQL/vtkMySQLQuery.cxx:316–347

//------------------------------------------------------------------------------

bool vtkMySQLQueryInternals::SetQuery(
  const char* queryString, MYSQL* db, std::string& error_message)
{
  this->FreeStatement();
  this->FreeUserParameterList();
  this->FreeBoundParameters();

  if (!this->ValidPreparedStatementSQL(queryString))
  {
    return true; // we'll have to handle this query in immediate mode
  }

  this->Statement = mysql_stmt_init(db);
  if (this->Statement == nullptr)
  {
    error_message = "vtkMySQLQuery: mysql_stmt_init returned out of memory error";
    return false;
  }

  int status = mysql_stmt_prepare(this->Statement, queryString, strlen(queryString));

  if (status == 0)
  {
    this->UserParameterList.resize(mysql_stmt_param_count(this->Statement), nullptr);
    return true;
  }
  else
  {
    error_message = mysql_stmt_error(this->Statement);
    return false;
  }
}

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