Drizzled Public API Documentation

quick_ror_union_select.h
1 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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4  * Copyright (C) 2008-2009 Sun Microsystems, Inc.
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13  * GNU General Public License for more details.
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15  * You should have received a copy of the GNU General Public License
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17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 #pragma once
21 
22 #include <drizzled/optimizer/range.h>
23 
24 #include <vector>
25 
26 namespace drizzled {
27 namespace optimizer {
28 
42 {
43 public:
46 
56  int init();
57 
67  int reset(void);
68 
83  int get_next();
84 
85  bool reverse_sorted() const
86  {
87  return false;
88  }
89 
90  bool unique_key_range() const
91  {
92  return false;
93  }
94 
95  int get_type() const
96  {
97  return QS_TYPE_ROR_UNION;
98  }
99 
100  void add_keys_and_lengths(std::string *key_names, std::string *used_lengths);
101  void add_info_string(std::string *str);
102  bool is_keys_used(const boost::dynamic_bitset<>& fields);
103 
104  void push_quick_back(QuickSelectInterface *quick_sel_range);
105 
106  std::vector<QuickSelectInterface *> quick_selects;
109  std::priority_queue<QuickSelectInterface *, std::vector<QuickSelectInterface *>, compare_functor > *queue;
113  unsigned char *cur_rowid;
114  unsigned char *prev_rowid;
116  uint32_t rowid_length;
117 private:
118  bool scans_inited;
119 };
120 
121 } /* namespace optimizer */
122 
123 } /* namespace drizzled */
124 
std::vector< QuickSelectInterface * > quick_selects
TODO: Rename this file - func.h is stupid.
bool is_keys_used(const boost::dynamic_bitset<> &fields)
std::priority_queue< QuickSelectInterface *, std::vector< QuickSelectInterface * >, compare_functor > * queue
void add_keys_and_lengths(std::string *key_names, std::string *used_lengths)