~drizzle-trunk/drizzle/development

« back to all changes in this revision

Viewing changes to drizzled/sql_base.h

  • Committer: mark
  • Date: 2008-07-01 01:26:01 UTC
  • Revision ID: mark@domu-12-31-38-00-78-33-20080701012601-hx5v7hk1ehtt1wig
strip out some autoconf cruft that was preventing building

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
 
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2
 
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3
 
 *
4
 
 *  Copyright (C) 2008 Sun Microsystems
5
 
 *
6
 
 *  This program is free software; you can redistribute it and/or modify
7
 
 *  it under the terms of the GNU General Public License as published by
8
 
 *  the Free Software Foundation; version 2 of the License.
9
 
 *
10
 
 *  This program is distributed in the hope that it will be useful,
11
 
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12
 
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
 
 *  GNU General Public License for more details.
14
 
 *
15
 
 *  You should have received a copy of the GNU General Public License
16
 
 *  along with this program; if not, write to the Free Software
17
 
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18
 
 */
19
 
 
20
 
#ifndef DRIZZLED_SQL_BASE_H
21
 
#define DRIZZLED_SQL_BASE_H
22
 
 
23
 
#include <stdint.h>
24
 
#include <drizzled/table.h>
25
 
 
26
 
class TableShare;
27
 
 
28
 
void table_cache_free(void);
29
 
bool table_cache_init(void);
30
 
bool table_def_init(void);
31
 
void table_def_free(void);
32
 
void assign_new_table_id(TableShare *share);
33
 
uint32_t cached_open_tables(void);
34
 
uint32_t cached_table_definitions(void);
35
 
 
36
 
void kill_drizzle(void);
37
 
 
38
 
/* sql_base.cc */
39
 
void set_item_name(Item *item,char *pos,uint32_t length);
40
 
bool add_field_to_list(Session *session, LEX_STRING *field_name, enum enum_field_types type,
41
 
                       char *length, char *decimal,
42
 
                       uint32_t type_modifier,
43
 
           enum column_format_type column_format,
44
 
                       Item *default_value, Item *on_update_value,
45
 
                       LEX_STRING *comment,
46
 
                       char *change, List<String> *interval_list,
47
 
                       const CHARSET_INFO * const cs);
48
 
CreateField * new_create_field(Session *session, char *field_name, enum_field_types type,
49
 
                                char *length, char *decimals,
50
 
                                uint32_t type_modifier,
51
 
                                Item *default_value, Item *on_update_value,
52
 
                                LEX_STRING *comment, char *change,
53
 
                                List<String> *interval_list, CHARSET_INFO *cs);
54
 
void store_position_for_column(const char *name);
55
 
bool add_to_list(Session *session, SQL_LIST &list,Item *group,bool asc);
56
 
bool push_new_name_resolution_context(Session *session,
57
 
                                      TableList *left_op,
58
 
                                      TableList *right_op);
59
 
void add_join_on(TableList *b,Item *expr);
60
 
void add_join_natural(TableList *a,TableList *b,List<String> *using_fields,
61
 
                      Select_Lex *lex);
62
 
void unlink_open_table(Session *session, Table *find);
63
 
void drop_open_table(Session *session, Table *table, const char *db_name,
64
 
                     const char *table_name);
65
 
 
66
 
SQL_SELECT *make_select(Table *head, table_map const_tables,
67
 
                        table_map read_tables, COND *conds,
68
 
                        bool allow_null_cond,  int *error);
69
 
extern Item **not_found_item;
70
 
 
71
 
/**
72
 
  A set of constants used for checking non aggregated fields and sum
73
 
  functions mixture in the ONLY_FULL_GROUP_BY_MODE.
74
 
*/
75
 
#define NON_AGG_FIELD_USED  1
76
 
#define SUM_FUNC_USED       2
77
 
 
78
 
/**
79
 
  This enumeration type is used only by the function find_item_in_list
80
 
  to return the info on how an item has been resolved against a list
81
 
  of possibly aliased items.
82
 
  The item can be resolved:
83
 
   - against an alias name of the list's element (RESOLVED_AGAINST_ALIAS)
84
 
   - against non-aliased field name of the list  (RESOLVED_WITH_NO_ALIAS)
85
 
   - against an aliased field name of the list   (RESOLVED_BEHIND_ALIAS)
86
 
   - ignoring the alias name in cases when SQL requires to ignore aliases
87
 
     (e.g. when the resolved field reference contains a table name or
88
 
     when the resolved item is an expression)   (RESOLVED_IGNORING_ALIAS)
89
 
*/
90
 
enum enum_resolution_type {
91
 
  NOT_RESOLVED=0,
92
 
  RESOLVED_IGNORING_ALIAS,
93
 
  RESOLVED_BEHIND_ALIAS,
94
 
  RESOLVED_WITH_NO_ALIAS,
95
 
  RESOLVED_AGAINST_ALIAS
96
 
};
97
 
Item ** find_item_in_list(Item *item, List<Item> &items, uint32_t *counter,
98
 
                          find_item_error_report_type report_error,
99
 
                          enum_resolution_type *resolution);
100
 
bool get_key_map_from_key_list(key_map *map, Table *table,
101
 
                               List<String> *index_list);
102
 
bool insert_fields(Session *session, Name_resolution_context *context,
103
 
                   const char *db_name, const char *table_name,
104
 
                   List_iterator<Item> *it, bool any_privileges);
105
 
bool setup_tables(Session *session, Name_resolution_context *context,
106
 
                  List<TableList> *from_clause, TableList *tables,
107
 
                  TableList **leaves, bool select_insert);
108
 
bool setup_tables_and_check_access(Session *session,
109
 
                                   Name_resolution_context *context,
110
 
                                   List<TableList> *from_clause,
111
 
                                   TableList *tables,
112
 
                                   TableList **leaves,
113
 
                                   bool select_insert);
114
 
int setup_wild(Session *session, List<Item> &fields,
115
 
               List<Item> *sum_func_list,
116
 
               uint32_t wild_num);
117
 
bool setup_fields(Session *session, Item** ref_pointer_array,
118
 
                  List<Item> &item, enum_mark_columns mark_used_columns,
119
 
                  List<Item> *sum_func_list, bool allow_sum_func);
120
 
inline bool setup_fields_with_no_wrap(Session *session, Item **ref_pointer_array,
121
 
                                      List<Item> &item,
122
 
                                      enum_mark_columns mark_used_columns,
123
 
                                      List<Item> *sum_func_list,
124
 
                                      bool allow_sum_func)
125
 
{
126
 
  bool res;
127
 
  res= setup_fields(session, ref_pointer_array, item, mark_used_columns, sum_func_list,
128
 
                    allow_sum_func);
129
 
  return res;
130
 
}
131
 
int setup_conds(Session *session, TableList *leaves, COND **conds);
132
 
int setup_ftfuncs(Select_Lex* select);
133
 
int init_ftfuncs(Session *session, Select_Lex* select, bool no_order);
134
 
void wait_for_condition(Session *session, pthread_mutex_t *mutex,
135
 
                        pthread_cond_t *cond);
136
 
int open_tables_from_list(Session *session, TableList **tables, uint32_t *counter, uint32_t flags);
137
 
/* open_and_lock_tables with optional derived handling */
138
 
int open_and_lock_tables_derived(Session *session, TableList *tables, bool derived);
139
 
bool open_normal_and_derived_tables(Session *session, TableList *tables, uint32_t flags);
140
 
int lock_tables(Session *session, TableList *tables, uint32_t counter, bool *need_reopen);
141
 
int decide_logging_format(Session *session);
142
 
Table *open_temporary_table(Session *session, const char *path, const char *db,
143
 
                            const char *table_name, bool link_in_list,
144
 
                            open_table_mode open_mode);
145
 
bool rm_temporary_table(StorageEngine *base, char *path);
146
 
void free_io_cache(Table *entry);
147
 
void intern_close_table(Table *entry);
148
 
void close_temporary_tables(Session *session);
149
 
void close_tables_for_reopen(Session *session, TableList **tables);
150
 
TableList *find_table_in_list(TableList *table,
151
 
                               TableList *TableList::*link,
152
 
                               const char *db_name,
153
 
                               const char *table_name);
154
 
TableList *unique_table(Session *session, TableList *table, TableList *table_list,
155
 
                         bool check_alias);
156
 
Table *find_temporary_table(Session *session, const char *db, const char *table_name);
157
 
Table *find_temporary_table(Session *session, TableList *table_list);
158
 
int drop_temporary_table(Session *session, TableList *table_list);
159
 
void close_temporary_table(Session *session, Table *table, bool free_share,
160
 
                           bool delete_table);
161
 
void close_temporary(Table *table, bool free_share, bool delete_table);
162
 
bool rename_temporary_table(Table *table, const char *new_db, const char *table_name);
163
 
void remove_db_from_cache(const char *db);
164
 
bool is_equal(const LEX_STRING *a, const LEX_STRING *b);
165
 
 
166
 
/* bits for last argument to remove_table_from_cache() */
167
 
#define RTFC_NO_FLAG                0x0000
168
 
#define RTFC_OWNED_BY_Session_FLAG      0x0001
169
 
#define RTFC_WAIT_OTHER_THREAD_FLAG 0x0002
170
 
#define RTFC_CHECK_KILLED_FLAG      0x0004
171
 
bool remove_table_from_cache(Session *session, const char *db, const char *table,
172
 
                             uint32_t flags);
173
 
 
174
 
#define NORMAL_PART_NAME 0
175
 
#define TEMP_PART_NAME 1
176
 
#define RENAMED_PART_NAME 2
177
 
 
178
 
void mem_alloc_error(size_t size);
179
 
 
180
 
#define WFRM_WRITE_SHADOW 1
181
 
#define WFRM_INSTALL_SHADOW 2
182
 
#define WFRM_PACK_FRM 4
183
 
#define WFRM_KEEP_SHARE 8
184
 
 
185
 
bool close_cached_tables(Session *session, TableList *tables,
186
 
                         bool wait_for_refresh, bool wait_for_placeholders);
187
 
void copy_field_from_tmp_record(Field *field,int offset);
188
 
bool fill_record(Session * session, List<Item> &fields, List<Item> &values, bool ignore_errors);
189
 
bool fill_record(Session *session, Field **field, List<Item> &values, bool ignore_errors);
190
 
OPEN_TableList *list_open_tables(const char *db, const char *wild);
191
 
 
192
 
inline TableList *find_table_in_global_list(TableList *table,
193
 
                                             const char *db_name,
194
 
                                             const char *table_name)
195
 
{
196
 
  return find_table_in_list(table, &TableList::next_global,
197
 
                            db_name, table_name);
198
 
}
199
 
 
200
 
inline TableList *find_table_in_local_list(TableList *table,
201
 
                                            const char *db_name,
202
 
                                            const char *table_name)
203
 
{
204
 
  return find_table_in_list(table, &TableList::next_local,
205
 
                            db_name, table_name);
206
 
}
207
 
#endif /* DRIZZLED_SQL_BASE_H */