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Viewing changes to drizzled/sql_select.h

  • Committer: Brian Aker
  • Date: 2008-08-18 22:20:43 UTC
  • mto: This revision was merged to the branch mainline in revision 352.
  • Revision ID: brian@tangent.org-20080818222043-et6zf93ogrgx1cz9
Refactoring table.h

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drizzled/sql_select.h
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    Embedding SJ-nest (may be not the direct parent), or NULL if none.
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    This variable holds the result of table pullout.
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  */
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  TABLE_LIST    *emb_sj_nest;
 
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  TableList    *emb_sj_nest;
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  /* Variables for semi-join duplicate elimination */
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  SJ_TMP_TABLE  *flush_weedout_table;
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  order_st *order, *group_list, *proc_param; //hold parameters of mysql_select
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  COND *conds;                            // ---"---
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  Item *conds_history;                    // store WHERE for explain
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  TABLE_LIST *tables_list;           ///<hold 'tables' parameter of mysql_select
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  List<TABLE_LIST> *join_list;       ///< list of joined tables in reverse order
 
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  TableList *tables_list;           ///<hold 'tables' parameter of mysql_select
 
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  List<TableList> *join_list;       ///< list of joined tables in reverse order
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  COND_EQUAL *cond_equal;
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  SQL_SELECT *select;                ///<created in optimisation phase
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  JOIN_TAB *return_tab;              ///<used only for outer joins
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    no_const_tables= false;
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  }
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  int prepare(Item ***rref_pointer_array, TABLE_LIST *tables, uint wind_num,
 
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  int prepare(Item ***rref_pointer_array, TableList *tables, uint wind_num,
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              COND *conds, uint og_num, order_st *order, order_st *group,
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              Item *having, order_st *proc_param, SELECT_LEX *select,
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              SELECT_LEX_UNIT *unit);
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/* functions from opt_sum.cc */
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bool simple_pred(Item_func *func_item, Item **args, bool *inv_order);
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int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds);
 
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int opt_sum_query(TableList *tables, List<Item> &all_fields,COND *conds);
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/* from sql_delete.cc, used by opt_range.cc */
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extern "C" int refpos_order_cmp(void* arg, const void *a,const void *b);