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  • Committer: Monty Taylor
  • Date: 2009-12-14 22:00:27 UTC
  • mto: (1241.9.10 out-of-tree)
  • mto: This revision was merged to the branch mainline in revision 1250.
  • Revision ID: mordred@inaugust.com-20091214220027-kpmfbl452nctzc0g
pandora-build v0.85 - Fixed C++ standard setting.

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drizzled/sql_derived.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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  Derived tables
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  These were introduced by Sinisa <sinisa@mysql.com>
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*/
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#include "config.h"
 
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#include "drizzled/server_includes.h"
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#include "drizzled/sql_select.h"
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namespace drizzled
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{
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/*
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  Call given derived table processor (preparing or filling tables)
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          Force join->join_tmp creation, because we will use this JOIN
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          twice for EXPLAIN and we have to have unchanged join for EXPLAINing
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        */
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        sl->uncacheable.set(UNCACHEABLE_EXPLAIN);
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        sl->master_unit()->uncacheable.set(UNCACHEABLE_EXPLAIN);
 
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        sl->uncacheable|= UNCACHEABLE_EXPLAIN;
 
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        sl->master_unit()->uncacheable|= UNCACHEABLE_EXPLAIN;
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      }
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    }
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  }
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    */
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    if ((res= derived_result->create_result_table(session, &unit->types, false,
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                                                  create_options,
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                                                  orig_table_list->alias)))
 
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                                                  orig_table_list->alias,
 
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                                                  false)))
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      goto exit;
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    table= derived_result->table;
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    if (res)
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    {
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      if (table)
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      {
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        table= 0;
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      }
 
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        table->free_tmp_table(session);
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      delete derived_result;
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    }
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    else
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    {
 
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      if (! session->fill_derived_tables())
 
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      {
 
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        delete derived_result;
 
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        derived_result= NULL;
 
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      }
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      orig_table_list->derived_result= derived_result;
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      orig_table_list->table= table;
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      orig_table_list->setTableName(const_cast<char *>(table->getShare()->getTableName()));
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      orig_table_list->table_name_length= table->getShare()->getTableNameSize();
 
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      orig_table_list->table_name=        table->s->table_name.str;
 
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      orig_table_list->table_name_length= table->s->table_name.length;
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      table->derived_select_number= first_select->select_number;
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      orig_table_list->setSchemaName((char *)"");
 
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      table->s->tmp_table= TEMP_TABLE;
 
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      orig_table_list->db= (char *)"";
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      orig_table_list->db_length= 0;
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      /* Force read of table stats in the optimizer */
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      table->cursor->info(HA_STATUS_VARIABLE);
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      /* Add new temporary table to list of open derived tables */
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      table->setNext(session->getDerivedTables());
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      session->setDerivedTables(table);
 
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      table->next= session->derived_tables;
 
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      session->derived_tables= table;
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    }
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  }
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                        first_select->item_list, first_select->where,
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                        (first_select->order_list.elements+
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                        first_select->group_list.elements),
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                        (Order *) first_select->order_list.first,
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                        (Order *) first_select->group_list.first,
 
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                        (order_st *) first_select->order_list.first,
 
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                        (order_st *) first_select->group_list.first,
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                        first_select->having,
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                        (first_select->options | session->options | SELECT_NO_UNLOCK),
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                        derived_result, unit, first_select);
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  }
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  return res;
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}
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} /* namespace drizzled */