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Viewing changes to drizzled/sql_union.cc

  • Committer: Siddharth Prakash Singh
  • Date: 2010-03-26 17:24:57 UTC
  • mto: This revision was merged to the branch mainline in revision 1425.
  • Revision ID: spsneo@spsneo-laptop-20100326172457-vni09y22ktvvefmn
some more sprintf --> snprintf

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drizzled/sql_union.cc
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */
 
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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
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/*
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  UNION  of select's
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    unit->offset_limit_cnt--;
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    return 0;
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  }
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  fill_record(session, table->getFields(), values, true);
 
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  fill_record(session, table->field, values, true);
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  if (session->is_error())
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    return 1;
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  if ((error= table->cursor->insertRecord(table->getInsertRecord())))
 
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  if ((error= table->cursor->ha_write_row(table->record[0])))
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  {
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    /* create_myisam_from_heap will generate error if needed */
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    if (table->cursor->is_fatal_error(error, HA_CHECK_DUP))
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    {
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      my_error(ER_USE_SQL_BIG_RESULT, MYF(0));
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      return true;
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    }
 
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    if (table->cursor->is_fatal_error(error, HA_CHECK_DUP) &&
 
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        create_myisam_from_heap(session, table, tmp_table_param.start_recinfo,
 
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                                &tmp_table_param.recinfo, error, 1))
 
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      return 1;
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  }
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  return 0;
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}
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  tmp_table_param.field_count= column_types->elements;
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  if (! (table= create_tmp_table(session_arg, &tmp_table_param, *column_types,
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                                 (Order*) NULL, is_union_distinct, 1,
 
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                                 (order_st*) NULL, is_union_distinct, 1,
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                                 options, HA_POS_ERROR, (char*) table_alias)))
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  {
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    return true;
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  }
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  table->cursor->extra(HA_EXTRA_WRITE_CACHE);
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  table->cursor->extra(HA_EXTRA_IGNORE_DUP_KEY);
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  return false;
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}
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    fake_select_lex->context.first_name_resolution_table=
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    fake_select_lex->get_table_list();
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  for (Order *order= (Order *) global_parameters->order_list.first;
 
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  for (order_st *order= (order_st *) global_parameters->order_list.first;
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       order;
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       order= order->next)
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    order->item= &order->item_ptr;
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  for (Order *order= (Order *)global_parameters->order_list.first;
 
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  for (order_st *order= (order_st *)global_parameters->order_list.first;
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       order;
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       order=order->next)
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  {
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  {
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    bool can_skip_order_by;
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    sl->options|=  SELECT_NO_UNLOCK;
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    Join *join= new Join(session_arg, sl->item_list,
 
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    JOIN *join= new JOIN(session_arg, sl->item_list,
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                         sl->options | session_arg->options | additional_options,
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                         tmp_result);
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    /*
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                                sl->order_list.elements) +
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                               sl->group_list.elements,
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                               can_skip_order_by ?
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                               (Order*) NULL : (Order *)sl->order_list.first,
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                               (Order*) sl->group_list.first,
 
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                               (order_st*) NULL : (order_st *)sl->order_list.first,
 
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                               (order_st*) sl->group_list.first,
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                               sl->having,
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                               sl, this);
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    /* There are no * in the statement anymore (for PS) */
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                                          create_options, ""))
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      goto err;
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    memset(&result_table_list, 0, sizeof(result_table_list));
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    result_table_list.setSchemaName((char*) "");
 
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    result_table_list.db= (char*) "";
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    result_table_list.alias= "union";
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    result_table_list.setTableName((char *) "union");
 
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    result_table_list.table_name= (char *) "union";
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    result_table_list.table= table= union_result->table;
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    session_arg->lex->current_select= lex_select_save;
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  uint64_t add_rows=0;
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  ha_rows examined_rows= 0;
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  if (executed && uncacheable.none() && ! describe)
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    return false;
 
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  if (executed && !uncacheable && !describe)
 
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    return(false);
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  executed= 1;
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  if (uncacheable.any() || ! item || ! item->assigned() || describe)
 
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  if (uncacheable || !item || !item->assigned() || describe)
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  {
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    if (item)
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      item->reset_value_registration();
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    {
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      set_limit(global_parameters);
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      init_prepare_fake_select_lex(session);
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      Join *join= fake_select_lex->join;
 
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      JOIN *join= fake_select_lex->join;
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      if (!join)
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      {
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        /*
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          don't let it allocate the join. Perhaps this is because we need
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          some special parameter values passed to join constructor?
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        */
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        if (!(fake_select_lex->join= new Join(session, item_list,
 
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        if (!(fake_select_lex->join= new JOIN(session, item_list,
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                                              fake_select_lex->options, result)))
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        {
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          fake_select_lex->table_list.empty();
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                              &result_table_list,
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                              0, item_list, NULL,
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                              global_parameters->order_list.elements,
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                              (Order*)global_parameters->order_list.first,
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                              (Order*) NULL, NULL,
 
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                              (order_st*)global_parameters->order_list.first,
 
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                              (order_st*) NULL, NULL,
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                              fake_select_lex->options | SELECT_NO_UNLOCK,
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                              result, this, fake_select_lex);
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      }
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                                &result_table_list,
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                                0, item_list, NULL,
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                                global_parameters->order_list.elements,
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                                (Order*)global_parameters->order_list.first,
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                                (Order*) NULL, NULL,
 
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                                (order_st*)global_parameters->order_list.first,
 
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                                (order_st*) NULL, NULL,
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                                fake_select_lex->options | SELECT_NO_UNLOCK,
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                                result, this, fake_select_lex);
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        }
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  {
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    delete union_result;
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    union_result=0; // Safety
 
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    if (table)
 
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      table->free_tmp_table(session);
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    table= 0; // Safety
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  }
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  if (fake_select_lex)
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  {
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    Join *join;
 
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    JOIN *join;
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    if ((join= fake_select_lex->join))
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    {
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      join->tables_list= 0;
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    error|= fake_select_lex->cleanup();
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    if (fake_select_lex->order_list.elements)
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    {
628
 
      Order *ord;
629
 
      for (ord= (Order*)fake_select_lex->order_list.first; ord; ord= ord->next)
 
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      order_st *ord;
 
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      for (ord= (order_st*)fake_select_lex->order_list.first; ord; ord= ord->next)
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        (*ord->item)->cleanup();
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    }
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  }