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MDEV-34716 Fix mysql.servers socket max length too short

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The limit of socket length on unix according to libc is 108, see
sockaddr_un::sun_path, but in the table it is a string of max length
64, which results in truncation of socket and failure to connect by
plugins using servers such as spider.
This commit is contained in:
Yuchen Pei
2024-08-07 17:27:15 +10:00
parent 84df8d7275
commit 2345407b8c
16 changed files with 90 additions and 14 deletions
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scripts/mariadb_system_tables.sql
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@@ -109,7 +109,7 @@ CREATE TABLE IF NOT EXISTS func ( name char(64) binary DEFAULT '' NOT NULL, ret
CREATE TABLE IF NOT EXISTS plugin ( name varchar(64) DEFAULT '' NOT NULL, dl varchar(128) DEFAULT '' NOT NULL, PRIMARY KEY (name) ) engine=Aria transactional=1 CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci comment='MySQL plugins';
CREATE TABLE IF NOT EXISTS servers ( Server_name char(64) NOT NULL DEFAULT '', Host varchar(2048) NOT NULL DEFAULT '', Db char(64) NOT NULL DEFAULT '', Username char(128) NOT NULL DEFAULT '', Password char(64) NOT NULL DEFAULT '', Port INT(4) NOT NULL DEFAULT '0', Socket char(64) NOT NULL DEFAULT '', Wrapper char(64) NOT NULL DEFAULT '', Owner varchar(512) NOT NULL DEFAULT '', PRIMARY KEY (Server_name)) engine=Aria transactional=1 CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci comment='MySQL Foreign Servers table';
CREATE TABLE IF NOT EXISTS servers ( Server_name char(64) NOT NULL DEFAULT '', Host varchar(2048) NOT NULL DEFAULT '', Db char(64) NOT NULL DEFAULT '', Username char(128) NOT NULL DEFAULT '', Password char(64) NOT NULL DEFAULT '', Port INT(4) NOT NULL DEFAULT '0', Socket char(108) NOT NULL DEFAULT '', Wrapper char(64) NOT NULL DEFAULT '', Owner varchar(512) NOT NULL DEFAULT '', PRIMARY KEY (Server_name)) engine=Aria transactional=1 CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci comment='MySQL Foreign Servers table';
CREATE TABLE IF NOT EXISTS tables_priv ( Host char(255) binary DEFAULT '' NOT NULL, Db char(64) binary DEFAULT '' NOT NULL, User char(128) binary DEFAULT '' NOT NULL, Table_name char(64) binary DEFAULT '' NOT NULL, Grantor varchar(384) DEFAULT '' NOT NULL, Timestamp timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, Table_priv set('Select','Insert','Update','Delete','Create','Drop','Grant','References','Index','Alter','Create View','Show view','Trigger','Delete versioning rows') COLLATE utf8mb3_general_ci DEFAULT '' NOT NULL, Column_priv set('Select','Insert','Update','References') COLLATE utf8mb3_general_ci DEFAULT '' NOT NULL, PRIMARY KEY (Host,Db,User,Table_name), KEY Grantor (Grantor) ) engine=Aria transactional=1 CHARACTER SET utf8mb3 COLLATE utf8mb3_bin comment='Table privileges';