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  • Committer: Monty Taylor
  • Date: 2009-06-08 13:39:05 UTC
  • mto: This revision was merged to the branch mainline in revision 1060.
  • Revision ID: mordred@inaugust.com-20090608133905-3hogrrafmfg6e5hs
Removed CHARSET_INFO stuff from protocol plugin interface - it makes no sense.

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drizzled/sql_base.h
 
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 
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 *
 
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 *  Copyright (C) 2008 Sun Microsystems
 
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 *
 
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 *  This program is free software; you can redistribute it and/or modify
 
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 *  it under the terms of the GNU General Public License as published by
 
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 *  the Free Software Foundation; version 2 of the License.
 
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 *
 
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 *  This program is distributed in the hope that it will be useful,
 
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *  GNU General Public License for more details.
 
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 *
 
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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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 */
 
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#ifndef DRIZZLED_SQL_BASE_H
 
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#define DRIZZLED_SQL_BASE_H
 
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#include <stdint.h>
 
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#include <drizzled/table.h>
 
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class TableShare;
 
27
 
 
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void table_cache_free(void);
 
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bool table_cache_init(void);
 
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bool table_def_init(void);
 
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void table_def_free(void);
 
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void assign_new_table_id(TableShare *share);
 
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uint32_t cached_open_tables(void);
 
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uint32_t cached_table_definitions(void);
 
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void kill_drizzle(void);
 
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/* sql_base.cc */
 
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void set_item_name(Item *item,char *pos,uint32_t length);
 
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bool add_field_to_list(Session *session, LEX_STRING *field_name, enum enum_field_types type,
 
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                       char *length, char *decimal,
 
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                       uint32_t type_modifier,
 
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           enum column_format_type column_format,
 
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                       Item *default_value, Item *on_update_value,
 
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                       LEX_STRING *comment,
 
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                       char *change, List<String> *interval_list,
 
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                       const CHARSET_INFO * const cs);
 
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Create_field * new_create_field(Session *session, char *field_name, enum_field_types type,
 
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                                char *length, char *decimals,
 
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                                uint32_t type_modifier,
 
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                                Item *default_value, Item *on_update_value,
 
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                                LEX_STRING *comment, char *change,
 
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                                List<String> *interval_list, CHARSET_INFO *cs);
 
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void store_position_for_column(const char *name);
 
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bool add_to_list(Session *session, SQL_LIST &list,Item *group,bool asc);
 
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bool push_new_name_resolution_context(Session *session,
 
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                                      TableList *left_op,
 
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                                      TableList *right_op);
 
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void add_join_on(TableList *b,Item *expr);
 
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void add_join_natural(TableList *a,TableList *b,List<String> *using_fields,
 
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                      Select_Lex *lex);
 
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void unlink_open_table(Session *session, Table *find, bool unlock);
 
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void drop_open_table(Session *session, Table *table, const char *db_name,
 
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                     const char *table_name);
 
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void update_non_unique_table_error(TableList *update,
 
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                                   const char *operation,
 
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                                   TableList *duplicate);
 
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SQL_SELECT *make_select(Table *head, table_map const_tables,
 
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                        table_map read_tables, COND *conds,
 
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                        bool allow_null_cond,  int *error);
 
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extern Item **not_found_item;
 
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/*
 
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  A set of constants used for checking non aggregated fields and sum
 
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  functions mixture in the ONLY_FULL_GROUP_BY_MODE.
 
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*/
 
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#define NON_AGG_FIELD_USED  1
 
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#define SUM_FUNC_USED       2
 
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/*
 
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  This enumeration type is used only by the function find_item_in_list
 
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  to return the info on how an item has been resolved against a list
 
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  of possibly aliased items.
 
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  The item can be resolved:
 
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   - against an alias name of the list's element (RESOLVED_AGAINST_ALIAS)
 
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   - against non-aliased field name of the list  (RESOLVED_WITH_NO_ALIAS)
 
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   - against an aliased field name of the list   (RESOLVED_BEHIND_ALIAS)
 
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   - ignoring the alias name in cases when SQL requires to ignore aliases
 
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     (e.g. when the resolved field reference contains a table name or
 
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     when the resolved item is an expression)   (RESOLVED_IGNORING_ALIAS)
 
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*/
 
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enum enum_resolution_type {
 
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  NOT_RESOLVED=0,
 
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  RESOLVED_IGNORING_ALIAS,
 
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  RESOLVED_BEHIND_ALIAS,
 
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  RESOLVED_WITH_NO_ALIAS,
 
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  RESOLVED_AGAINST_ALIAS
 
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};
 
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Item ** find_item_in_list(Item *item, List<Item> &items, uint32_t *counter,
 
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                          find_item_error_report_type report_error,
 
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                          enum_resolution_type *resolution);
 
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bool get_key_map_from_key_list(key_map *map, Table *table,
 
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                               List<String> *index_list);
 
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bool insert_fields(Session *session, Name_resolution_context *context,
 
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                   const char *db_name, const char *table_name,
 
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                   List_iterator<Item> *it, bool any_privileges);
 
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bool setup_tables(Session *session, Name_resolution_context *context,
 
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                  List<TableList> *from_clause, TableList *tables,
 
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                  TableList **leaves, bool select_insert);
 
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bool setup_tables_and_check_access(Session *session,
 
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                                   Name_resolution_context *context,
 
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                                   List<TableList> *from_clause,
 
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                                   TableList *tables,
 
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                                   TableList **leaves,
 
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                                   bool select_insert);
 
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int setup_wild(Session *session, List<Item> &fields,
 
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               List<Item> *sum_func_list,
 
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               uint32_t wild_num);
 
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bool setup_fields(Session *session, Item** ref_pointer_array,
 
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                  List<Item> &item, enum_mark_columns mark_used_columns,
 
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                  List<Item> *sum_func_list, bool allow_sum_func);
 
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inline bool setup_fields_with_no_wrap(Session *session, Item **ref_pointer_array,
 
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                                      List<Item> &item,
 
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                                      enum_mark_columns mark_used_columns,
 
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                                      List<Item> *sum_func_list,
 
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                                      bool allow_sum_func)
 
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{
 
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  bool res;
 
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  res= setup_fields(session, ref_pointer_array, item, mark_used_columns, sum_func_list,
 
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                    allow_sum_func);
 
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  return res;
 
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}
 
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int setup_conds(Session *session, TableList *leaves, COND **conds);
 
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int setup_ftfuncs(Select_Lex* select);
 
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int init_ftfuncs(Session *session, Select_Lex* select, bool no_order);
 
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void wait_for_condition(Session *session, pthread_mutex_t *mutex,
 
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                        pthread_cond_t *cond);
 
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int open_tables(Session *session, TableList **tables, uint32_t *counter, uint32_t flags);
 
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/* open_and_lock_tables with optional derived handling */
 
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int open_and_lock_tables_derived(Session *session, TableList *tables, bool derived);
 
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/* simple open_and_lock_tables without derived handling */
 
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inline int simple_open_n_lock_tables(Session *session, TableList *tables)
 
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{
 
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  return open_and_lock_tables_derived(session, tables, false);
 
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}
 
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/* open_and_lock_tables with derived handling */
 
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inline int open_and_lock_tables(Session *session, TableList *tables)
 
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{
 
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  return open_and_lock_tables_derived(session, tables, true);
 
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}
 
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bool open_normal_and_derived_tables(Session *session, TableList *tables, uint32_t flags);
 
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int lock_tables(Session *session, TableList *tables, uint32_t counter, bool *need_reopen);
 
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int decide_logging_format(Session *session);
 
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Table *open_temporary_table(Session *session, const char *path, const char *db,
 
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                            const char *table_name, bool link_in_list,
 
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                            open_table_mode open_mode);
 
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bool rm_temporary_table(StorageEngine *base, char *path);
 
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void free_io_cache(Table *entry);
 
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void intern_close_table(Table *entry);
 
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void close_temporary_tables(Session *session);
 
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void close_tables_for_reopen(Session *session, TableList **tables);
 
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TableList *find_table_in_list(TableList *table,
 
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                               TableList *TableList::*link,
 
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                               const char *db_name,
 
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                               const char *table_name);
 
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TableList *unique_table(Session *session, TableList *table, TableList *table_list,
 
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                         bool check_alias);
 
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Table *find_temporary_table(Session *session, const char *db, const char *table_name);
 
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Table *find_temporary_table(Session *session, TableList *table_list);
 
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int drop_temporary_table(Session *session, TableList *table_list);
 
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void close_temporary_table(Session *session, Table *table, bool free_share,
 
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                           bool delete_table);
 
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void close_temporary(Table *table, bool free_share, bool delete_table);
 
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bool rename_temporary_table(Table *table, const char *new_db, const char *table_name);
 
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void remove_db_from_cache(const char *db);
 
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bool is_equal(const LEX_STRING *a, const LEX_STRING *b);
 
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/* bits for last argument to remove_table_from_cache() */
 
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#define RTFC_NO_FLAG                0x0000
 
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#define RTFC_OWNED_BY_Session_FLAG      0x0001
 
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#define RTFC_WAIT_OTHER_THREAD_FLAG 0x0002
 
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#define RTFC_CHECK_KILLED_FLAG      0x0004
 
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bool remove_table_from_cache(Session *session, const char *db, const char *table,
 
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                             uint32_t flags);
 
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#define NORMAL_PART_NAME 0
 
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#define TEMP_PART_NAME 1
 
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#define RENAMED_PART_NAME 2
 
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void mem_alloc_error(size_t size);
 
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#define WFRM_WRITE_SHADOW 1
 
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#define WFRM_INSTALL_SHADOW 2
 
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#define WFRM_PACK_FRM 4
 
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#define WFRM_KEEP_SHARE 8
 
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bool close_cached_tables(Session *session, TableList *tables,
 
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                         bool wait_for_refresh, bool wait_for_placeholders);
 
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void copy_field_from_tmp_record(Field *field,int offset);
 
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bool fill_record(Session * session, List<Item> &fields, List<Item> &values, bool ignore_errors);
 
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bool fill_record(Session *session, Field **field, List<Item> &values, bool ignore_errors);
 
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OPEN_TableList *list_open_tables(const char *db, const char *wild);
 
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205
inline TableList *find_table_in_global_list(TableList *table,
 
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                                             const char *db_name,
 
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                                             const char *table_name)
 
208
{
 
209
  return find_table_in_list(table, &TableList::next_global,
 
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                            db_name, table_name);
 
211
}
 
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inline TableList *find_table_in_local_list(TableList *table,
 
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                                            const char *db_name,
 
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                                            const char *table_name)
 
216
{
 
217
  return find_table_in_list(table, &TableList::next_local,
 
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                            db_name, table_name);
 
219
}
 
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#endif /* DRIZZLED_SQL_BASE_H */