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c20afa6d49
---------------------------------------------------------- revno: 2617.69.24 committer: Konstantin Osipov <kostja@sun.com> branch nick: 5.4-42546 timestamp: Fri 2009-08-14 19:22:05 +0400 message: A pre-requisite for a fix for Bug#42546 "Backup: RESTORE fails, thinking it finds an existing table" Back-port from WL 148 "Foreign keys" feature tree a patch that introduced Prelocking_strategy class -- a way to parameterize open_tables() behaviour, implemented by Dmitry Lenev. (Part of WL#4284).
116 lines
3.7 KiB
C++
116 lines
3.7 KiB
C++
/* -*- C++ -*- */
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/* Copyright (C) 2002 MySQL AB
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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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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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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef _SP_H_
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#define _SP_H_
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/* Tells what SP_DEFAULT_ACCESS should be mapped to */
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#define SP_DEFAULT_ACCESS_MAPPING SP_CONTAINS_SQL
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// Return codes from sp_create_*, sp_drop_*, and sp_show_*:
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#define SP_OK 0
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#define SP_KEY_NOT_FOUND -1
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#define SP_OPEN_TABLE_FAILED -2
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#define SP_WRITE_ROW_FAILED -3
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#define SP_DELETE_ROW_FAILED -4
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#define SP_GET_FIELD_FAILED -5
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#define SP_PARSE_ERROR -6
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#define SP_INTERNAL_ERROR -7
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#define SP_NO_DB_ERROR -8
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#define SP_BAD_IDENTIFIER -9
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#define SP_BODY_TOO_LONG -10
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#define SP_FLD_STORE_FAILED -11
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/* Drop all routines in database 'db' */
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int
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sp_drop_db_routines(THD *thd, char *db);
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sp_head *
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sp_find_routine(THD *thd, int type, sp_name *name,
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sp_cache **cp, bool cache_only);
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int
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sp_cache_routine(THD *thd, int type, sp_name *name, sp_head **sp);
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bool
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sp_exist_routines(THD *thd, TABLE_LIST *procs, bool any);
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int
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sp_routine_exists_in_table(THD *thd, int type, sp_name *name);
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bool
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sp_show_create_routine(THD *thd, int type, sp_name *name);
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int
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sp_create_routine(THD *thd, int type, sp_head *sp);
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int
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sp_update_routine(THD *thd, int type, sp_name *name, st_sp_chistics *chistics);
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int
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sp_drop_routine(THD *thd, int type, sp_name *name);
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/**
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Structure that represents element in the set of stored routines
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used by statement or routine.
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*/
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struct Sroutine_hash_entry
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{
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/**
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Set key consisting of one-byte routine type and quoted routine name.
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*/
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LEX_STRING key;
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/**
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Next element in list linking all routines in set. See also comments
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for LEX::sroutine/sroutine_list and sp_head::m_sroutines.
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*/
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Sroutine_hash_entry *next;
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/**
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Uppermost view which directly or indirectly uses this routine.
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0 if routine is not used in view. Note that it also can be 0 if
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statement uses routine both via view and directly.
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*/
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TABLE_LIST *belong_to_view;
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};
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/*
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Procedures for handling sets of stored routines used by statement or routine.
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*/
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void sp_add_used_routine(Query_tables_list *prelocking_ctx, Query_arena *arena,
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sp_name *rt, char rt_type);
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bool sp_add_used_routine(Query_tables_list *prelocking_ctx, Query_arena *arena,
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const LEX_STRING *key, TABLE_LIST *belong_to_view);
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void sp_remove_not_own_routines(Query_tables_list *prelocking_ctx);
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void sp_update_sp_used_routines(HASH *dst, HASH *src);
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void sp_update_stmt_used_routines(THD *thd, Query_tables_list *prelocking_ctx,
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HASH *src, TABLE_LIST *belong_to_view);
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void sp_update_stmt_used_routines(THD *thd, Query_tables_list *prelocking_ctx,
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SQL_LIST *src, TABLE_LIST *belong_to_view);
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extern "C" uchar* sp_sroutine_key(const uchar *ptr, size_t *plen,
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my_bool first);
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/*
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Routines which allow open/lock and close mysql.proc table even when
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we already have some tables open and locked.
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*/
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TABLE *open_proc_table_for_read(THD *thd, Open_tables_state *backup);
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#endif /* _SP_H_ */
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