| Server IP : 88.99.149.37 / Your IP : 216.73.216.141 Web Server : nginx/1.31.2 System : Linux server-88-99-149-37 6.12.0-124.56.5.el10_1.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 15 06:12:08 EDT 2026 x86_64 User : muralimurth ( 1015) PHP Version : 8.4.23 Disable Function : exec,system,passthru,shell_exec,proc_close,proc_open,dl,popen,show_source,posix_kill,posix_mkfifo,posix_getpwuid,posix_setpgid,posix_setsid,posix_setuid,posix_setgid,posix_seteuid,posix_setegid,posix_uname MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/local/mysql/mysql-test/main/ |
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# # MDEV-7285 SERVER: CREATE OR REPLACE and CREATE IF NOT EXISTS # CREATE SERVER IF NOT EXISTS server1 FOREIGN DATA WRAPPER mysql OPTIONS (USER 'user1', HOST 'localhost', DATABASE 'test0'); SELECT server_name, username, db FROM mysql.servers; server_name username db server1 user1 test0 CREATE SERVER IF NOT EXISTS server1 FOREIGN DATA WRAPPER mysql OPTIONS (USER 'user2', HOST 'localhost', DATABASE 'test1'); Warnings: Note 1476 Cannot create foreign server 'server1' as it already exists SELECT server_name, username, db FROM mysql.servers; server_name username db server1 user1 test0 CREATE OR REPLACE SERVER server1 FOREIGN DATA WRAPPER mysql OPTIONS (USER 'user3', HOST 'localhost', DATABASE 'test2'); SELECT server_name, username, db FROM mysql.servers; server_name username db server1 user3 test2 DROP SERVER IF EXISTS server1; SELECT server_name, username, db FROM mysql.servers; server_name username db DROP SERVER IF EXISTS server1; CREATE SERVER server_1 FOREIGN DATA WRAPPER mysql OPTIONS (USER 'mysqltest_1', HOST 'localhost', DATABASE 'test0'); CREATE SERVER server_1 FOREIGN DATA WRAPPER mysql OPTIONS (USER 'mysqltest_1', HOST 'localhost', DATABASE 'test1'); ERROR HY000: Cannot create foreign server 'server_1' as it already exists CREATE SERVER IF NOT EXISTS server_1 FOREIGN DATA WRAPPER mysql OPTIONS (USER 'mysqltest_1', HOST 'localhost', DATABASE 'test2'); Warnings: Note 1476 Cannot create foreign server 'server_1' as it already exists SELECT server_name, username, db FROM mysql.servers; server_name username db server_1 mysqltest_1 test0 CREATE OR REPLACE SERVER IF NOT EXISTS server_1 FOREIGN DATA WRAPPER mysql OPTIONS (USER 'mysqltest_1', HOST 'localhost', DATABASE 'test3'); ERROR HY000: Incorrect usage of OR REPLACE and IF NOT EXISTS CREATE OR REPLACE SERVER server_1 FOREIGN DATA WRAPPER mysql OPTIONS (USER 'mysqltest_1', HOST 'localhost', DATABASE 'test4'); SELECT server_name, username, db FROM mysql.servers; server_name username db server_1 mysqltest_1 test4 DROP SERVER server_1; CREATE SERVER server_1 FOREIGN DATA WRAPPER mysql OPTIONS (USER 'Remote', HOST 'Server.Example.Com', DATABASE 'test'); SELECT Host FROM mysql.servers WHERE Server_Name = 'server_1'; Host Server.Example.Com ALTER SERVER server_1 OPTIONS(HOST 'Server.Example.Org'); SELECT Host FROM mysql.servers WHERE Server_Name = 'server_1'; Host Server.Example.Org DROP SERVER server_1;