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107 lines
3.4 KiB
107 lines
3.4 KiB
5 months ago
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#ifndef DD_TABLE_SHARE_INCLUDED
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#define DD_TABLE_SHARE_INCLUDED
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/* Copyright (c) 2014, 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
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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, version 2.0, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include <sys/types.h>
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#include "m_ctype.h"
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#include "my_inttypes.h"
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#include "my_sys.h" // get_charset
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#include "sql/dd/object_id.h" // dd::Object_id
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class Field;
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class KEY_PART_INFO;
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class THD;
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struct TABLE_SHARE;
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enum enum_field_types : int;
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namespace dd {
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class Table;
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enum class enum_column_types;
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} // namespace dd
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/**
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Read the table definition from the data-dictionary.
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@param thd Thread handler
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@param share Fill this with table definition
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@param table_def A data-dictionary Table-object describing
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table to be used for opening, instead of reading
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information from DD.
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@note
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This function is called when the table definition is not cached in
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table_def_cache.
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The data is returned in 'share', which is alloced by
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alloc_table_share().. The code assumes that share is initialized.
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@returns
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false OK
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true Error
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*/
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bool open_table_def(THD *thd, TABLE_SHARE *share, const dd::Table &table_def);
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/**
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Read the table definition from the data-dictionary.
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@param thd Thread handler
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@param share Fill this with table definition
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@param table_def A data-dictionary Table-object describing
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table to be used for opening.
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@note
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This function is called from InnoDB, and will suppress errors
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due to:
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Invalid collations.
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Missing FTS parser.
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@returns
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false OK
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true Error
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*/
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bool open_table_def_suppress_invalid_meta_data(THD *thd, TABLE_SHARE *share,
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const dd::Table &table_def);
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/* Map from new to old field type. */
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enum_field_types dd_get_old_field_type(dd::enum_column_types type);
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static inline CHARSET_INFO *dd_get_mysql_charset(dd::Object_id dd_cs_id) {
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return get_charset(static_cast<uint>(dd_cs_id), MYF(0));
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}
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/**
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Check if the given key_part is suitable to be promoted as part of
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primary key.
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@param key_part - pointer to KEY_PART_INTO which we are checking.
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@param table_field - Pointer to Field of column used by key_part.
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@returns
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true - Is suitable for primary key.
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false - if not.
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*/
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bool is_suitable_for_primary_key(KEY_PART_INFO *key_part, Field *table_field);
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#endif // DD_TABLE_SHARE_INCLUDED
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