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MySQL 5.1: SEL_TREE Class Reference

SEL_TREE Class Reference

Inheritance diagram for SEL_TREE:

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Collaboration diagram for SEL_TREE:

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List of all members.

Public Types

 IMPOSSIBLE
 ALWAYS
 MAYBE
 KEY
 KEY_SMALLER
enum  Type {
  IMPOSSIBLE, ALWAYS, MAYBE, KEY,
  KEY_SMALLER
}

Public Member Functions

 SEL_TREE (enum Type type_arg)
 SEL_TREE ()

Public Attributes

enum SEL_TREE::Type type
SEL_ARG * keys [MAX_KEY]
key_map keys_map
List< SEL_IMERGE > merges
key_map ror_scans_map
uint n_ror_scans
st_ror_scan_info ** ror_scans
st_ror_scan_info ** ror_scans_end

Detailed Description

Definition at line 463 of file opt_range.cc.

Member Enumeration Documentation

enum SEL_TREE::Type

Enumerator:
IMPOSSIBLE 
ALWAYS 
MAYBE 
KEY 
KEY_SMALLER 

Definition at line 471 of file opt_range.cc.

00471 { IMPOSSIBLE, ALWAYS, MAYBE, KEY, KEY_SMALLER } type;

Constructor & Destructor Documentation

SEL_TREE::SEL_TREE ( enum Type  type_arg  )  [inline]

Definition at line 472 of file opt_range.cc.

00472 :type(type_arg) {}

SEL_TREE::SEL_TREE (  )  [inline]

Definition at line 473 of file opt_range.cc.

References bzero, Bitmap< 64 >::clear_all(), keys, and keys_map.

00473              :type(KEY)
00474   {
00475     keys_map.clear_all();
00476     bzero((char*) keys,sizeof(keys));
00477   }

Here is the call graph for this function:

Member Data Documentation

SEL_ARG* SEL_TREE::keys[MAX_KEY]

Definition at line 484 of file opt_range.cc.

Referenced by get_best_ror_intersect(), get_func_mm_tree(), get_index_range_tree(), get_key_scans_params(), get_mm_parts(), print_sel_tree(), remove_nonrange_trees(), SEL_TREE(), and sel_trees_can_be_ored().

key_map SEL_TREE::keys_map

Definition at line 485 of file opt_range.cc.

Referenced by get_best_disjunct_quick(), get_key_scans_params(), get_mm_parts(), remove_nonrange_trees(), SEL_TREE(), sel_trees_can_be_ored(), and tree_or().

List<SEL_IMERGE> SEL_TREE::merges

Definition at line 491 of file opt_range.cc.

Referenced by SQL_SELECT::test_quick_select(), and tree_or().

uint SEL_TREE::n_ror_scans

Definition at line 495 of file opt_range.cc.

Referenced by get_best_ror_intersect(), and get_key_scans_params().

struct st_ror_scan_info** SEL_TREE::ror_scans

Definition at line 497 of file opt_range.cc.

Referenced by get_best_covering_ror_intersect(), and get_best_ror_intersect().

struct st_ror_scan_info** SEL_TREE::ror_scans_end

Definition at line 498 of file opt_range.cc.

Referenced by get_best_covering_ror_intersect(), and get_best_ror_intersect().

key_map SEL_TREE::ror_scans_map

Definition at line 494 of file opt_range.cc.

Referenced by get_best_ror_intersect(), and get_key_scans_params().

enum SEL_TREE::Type SEL_TREE::type

Referenced by get_func_mm_tree(), get_mm_parts(), get_mm_tree(), SQL_SELECT::test_quick_select(), and tree_or().

The documentation for this class was generated from the following file:
Generated on Sat Sep 9 23:02:50 2006 for MySQL 5.1 by  doxygen 1.4.7