online 9li~ *j"T 3p/)F hai~ *j"T 3pMF4:49 +li~C]q@pN jbѿ e^{_I|+?/* Copyright (c) 2000, 2026, Oracle and/or its affiliates. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2.0, as published by the Free Software Foundation. This program is designed to work with certain software (including but not limited to OpenSSL) that is licensed under separate terms, as designated in a particular file or component or in included license documentation. The authors of MySQL hereby grant you an additional permission to link the program and your derivative works with the separately licensed software that they have either included with the program or referenced in the documentation. Without limiting anything contained in the foregoing, this file, which is part of C Driver for MySQL (Connector/C), is also subject to the Universal FOSS Exception, version 1.0, a copy of which can be found at http://oss.oracle.com/licenses/universal-foss-exception. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0, for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /** @file include/mysql_com.h Common definition between mysql server & client. */ #ifndef _mysql_com_h #define _mysql_com_h #ifndef MYSQL_ABI_CHECK #include #include #endif #include "my_command.h" #include "my_compress.h" /* We need a definition for my_socket. On the client, already provides it, but on the server side, we need to get it from a header. */ #ifndef my_socket_defined #include "my_io.h" #include "mysql/components/services/bits/my_io_bits.h" #endif #ifndef MYSQL_ABI_CHECK #include #endif #define SYSTEM_CHARSET_MBMAXLEN 3 #define FILENAME_CHARSET_MBMAXLEN 5 #define NAME_CHAR_LEN 64 /**< Field/table name length */ #define PARTITION_EXPR_CHAR_LEN \ 2048 /**< Maximum expression length in chars \ */ #define USERNAME_CHAR_LENGTH 32 #define USERNAME_CHAR_LENGTH_STR "32" #ifndef NAME_LEN #define NAME_LEN (NAME_CHAR_LEN * SYSTEM_CHARSET_MBMAXLEN) #endif #define USERNAME_LENGTH (USERNAME_CHAR_LENGTH * SYSTEM_CHARSET_MBMAXLEN) #define CONNECT_STRING_MAXLEN 1024 #define MYSQL_AUTODETECT_CHARSET_NAME "auto" #define SERVER_VERSION_LENGTH 60 #define SQLSTATE_LENGTH 5 /* In FIDO terminology, relying party is the server where required services are running. Relying party ID is unique name given to server. */ #define RELYING_PARTY_ID_LENGTH 255 /* Length of random salt sent during fido registration */ #define CHALLENGE_LENGTH 32 /* Maximum authentication factors server supports */ #define MAX_AUTH_FACTORS 3 /** Maximum length of comments pre 5.6: 60 characters */ #define TABLE_COMMENT_INLINE_MAXLEN 180 #define TABLE_COMMENT_MAXLEN 2048 #define COLUMN_COMMENT_MAXLEN 1024 #define INDEX_COMMENT_MAXLEN 1024 #define TABLE_PARTITION_COMMENT_MAXLEN 1024 #define TABLESPACE_COMMENT_MAXLEN 2048 /** Maximum length of protocol packet. @ref page_protocol_basic_ok_packet length limit also restricted to this value as any length greater than this value will have first byte of @ref page_protocol_basic_ok_packet to be 254 thus does not provide a means to identify if this is @ref page_protocol_basic_ok_packet or @ref page_protocol_basic_eof_packet. */ #define MAX_PACKET_LENGTH (256L * 256L * 256L - 1) #define LOCAL_HOST "localhost" #define LOCAL_HOST_NAMEDPIPE "." #if defined(_WIN32) #define MYSQL_NAMEDPIPE "MySQL" #define MYSQL_SERVICENAME "MySQL" #endif /* _WIN32 */ /** The length of the header part for each generated column in the .frm f