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d2eba35653
The existing syntax for CREATE SERVER
CREATE [OR REPLACE] SERVER [IF NOT EXISTS] server_name
FOREIGN DATA WRAPPER wrapper_name
OPTIONS (option [, option] ...)
option:
{ HOST character-literal
| DATABASE character-literal
| USER character-literal
| PASSWORD character-literal
| SOCKET character-literal
| OWNER character-literal
| PORT numeric-literal }
With this change we have:
option:
{ HOST character-literal
| DATABASE character-literal
| USER character-literal
| PASSWORD character-literal
| SOCKET character-literal
| OWNER character-literal
| PORT numeric-literal
| PORT quoted-numerical-literal
| identifier character-literal}
We store these options as a JSON field in the mysql.servers system
table. We retain the restriction that PORT needs to be a number, but
also allow it to be a quoted number, so that SHOW CREATE SERVER can be
used for dumping. Without an accompanied implementation of SHOW CREATE
SERVER, some mysqldump tests will fail. Therefore this commit should
be immediately followed by the one implementating SHOW CREATE SERVER,
with testing covering both.
124 lines
4.4 KiB
C++
124 lines
4.4 KiB
C++
/* Copyright (C) 2010, 2021, MariaDB Corporation.
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
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/**
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@file
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Engine defined options of tables/fields/keys in CREATE/ALTER TABLE.
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*/
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#ifndef SQL_CREATE_OPTIONS_INCLUDED
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#define SQL_CREATE_OPTIONS_INCLUDED
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#include "sql_class.h"
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enum { ENGINE_OPTION_MAX_LENGTH=32767 };
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/*
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Key-value list. Used for engine-defined options in CREATE TABLE
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and OPTIONS in CREATE SERVER.
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*/
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class engine_option_value: public Sql_alloc
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{
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public:
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class Name: public Lex_ident_ci
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{
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public:
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using Lex_ident_ci::Lex_ident_ci;
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};
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class Value: public Lex_cstring
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{
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public:
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using Lex_cstring::Lex_cstring;
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bool streq(const LEX_CSTRING &rhs) const
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{
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return my_charset_utf8mb3_general1400_as_ci.streq(*this, rhs);
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}
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};
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public:
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Name name;
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Value value;
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engine_option_value *next; ///< parser puts them in a FIFO linked list
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bool parsed; ///< to detect unrecognized options
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bool quoted_value; ///< option=VAL vs. option='VAL'
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engine_option_value(engine_option_value *src) :
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name(src->name), value(src->value),
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next(NULL), parsed(src->parsed), quoted_value(src->quoted_value)
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{
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}
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engine_option_value(const Name &name_arg,
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const Value &value_arg,
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bool quoted) :
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name(name_arg), value(value_arg),
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next(NULL), parsed(false), quoted_value(quoted)
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{
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}
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engine_option_value(const Name &name_arg):
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name(name_arg), value(null_clex_str),
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next(NULL), parsed(false), quoted_value(false)
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{
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}
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engine_option_value(const Name &name_arg,
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ulonglong value_arg,
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MEM_ROOT *root) :
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name(name_arg), next(NULL), parsed(false), quoted_value(false)
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{
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char *str;
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if (likely((value.str= str= (char *)alloc_root(root, 22))))
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{
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value.length= longlong10_to_str(value_arg, str, 10) - str;
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}
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}
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static uchar *frm_read(const uchar *buff, const uchar *buff_end,
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engine_option_value **start,
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engine_option_value **end, MEM_ROOT *root);
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void link(engine_option_value **start, engine_option_value **end);
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uint frm_length();
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uchar *frm_image(uchar *buff);
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};
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typedef struct st_key KEY;
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class Create_field;
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bool resolve_sysvar_table_options(handlerton *hton);
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void free_sysvar_table_options(handlerton *hton);
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bool parse_engine_table_options(THD *thd, handlerton *ht, TABLE_SHARE *share);
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#ifdef WITH_PARTITION_STORAGE_ENGINE
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bool parse_engine_part_options(THD *thd, TABLE *table);
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#endif
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bool parse_option_list(THD* thd, handlerton *hton, void *option_struct,
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engine_option_value **option_list,
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ha_create_table_option *rules,
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bool suppress_warning, MEM_ROOT *root);
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bool engine_table_options_frm_read(const uchar *buff, size_t length,
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TABLE_SHARE *share);
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bool merge_engine_options(engine_option_value *source,
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engine_option_value *changes,
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engine_option_value **out, MEM_ROOT *root);
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uint engine_table_options_frm_length(engine_option_value *table_option_list,
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List<Create_field> &create_fields,
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uint keys, KEY *key_info);
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uchar *engine_table_options_frm_image(uchar *buff,
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engine_option_value *table_option_list,
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List<Create_field> &create_fields,
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uint keys, KEY *key_info);
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bool engine_options_differ(void *old_struct, void *new_struct,
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ha_create_table_option *rules);
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bool is_engine_option_known(engine_option_value *opt,
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ha_create_table_option *rules);
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#endif
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