92 lines
2.9 KiB
Plaintext
92 lines
2.9 KiB
Plaintext
/*****************************************************************************
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Copyright (c) 2010, 2019, Oracle and/or its affiliates. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License, version 2.0, as published by the
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Free Software Foundation.
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This program is also distributed with certain software (including but not
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limited to OpenSSL) that is licensed under separate terms, as designated in a
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particular file or component or in included license documentation. The authors
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of MySQL hereby grant you an additional permission to link the program and
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your derivative works with the separately licensed software that they have
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included with MySQL.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
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for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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/** @file include/dict0priv.ic
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Data dictionary system private include file
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Created Wed 13 Oct 2010 16:10:14 EST Sunny Bains
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***********************************************************************/
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#include "dict0dict.h"
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#include "dict0load.h"
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#include "dict0priv.h"
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/** Gets a table; loads it to the dictionary cache if necessary. A low-level
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function.
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@return table, NULL if not found */
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UNIV_INLINE
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dict_table_t *dict_table_get_low(const char *table_name) /*!< in: table name */
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{
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dict_table_t *table;
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ut_ad(table_name);
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ut_ad(mutex_own(&dict_sys->mutex));
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table = dict_table_check_if_in_cache_low(table_name);
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if (table && table->is_corrupted()) {
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ib::error error(ER_IB_MSG_1229);
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error << "Table " << table->name << "is corrupted";
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if (srv_load_corrupted) {
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error << ", but innodb_force_load_corrupted is set";
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} else {
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return (NULL);
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}
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}
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if (table == NULL) {
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table = dict_load_table(table_name, true, DICT_ERR_IGNORE_NONE);
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}
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ut_ad(!table || table->cached);
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return (table);
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}
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/** Checks if a table is in the dictionary cache.
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@return table, NULL if not found */
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UNIV_INLINE
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dict_table_t *dict_table_check_if_in_cache_low(
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const char *table_name) /*!< in: table name */
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{
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dict_table_t *table;
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ulint table_fold;
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DBUG_TRACE;
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DBUG_PRINT("dict_table_check_if_in_cache_low", ("table: '%s'", table_name));
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ut_ad(table_name);
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ut_ad(mutex_own(&dict_sys->mutex));
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/* Look for the table name in the hash table */
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table_fold = ut_fold_string(table_name);
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HASH_SEARCH(name_hash, dict_sys->table_hash, table_fold, dict_table_t *,
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table, ut_ad(table->cached),
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!strcmp(table->name.m_name, table_name));
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return table;
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}
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