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MDEV-7285 SERVER: CREATE OR REPLACE and CREATE IF NOT EXISTS

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Alexander Barkov
2014-12-10 13:41:14 +04:00
parent 14cfb0acb8
commit 822eb6ca3d
7 changed files with 151 additions and 25 deletions
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37
mysql-test/r/create_drop_server.result Normal file
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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 The foreign server, server1, you are trying to create 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: The foreign server, server_1, you are trying to create already exists.
CREATE SERVER IF NOT EXISTS server_1 FOREIGN DATA WRAPPER mysql OPTIONS (USER 'mysqltest_1', HOST 'localhost', DATABASE 'test2');
Warnings:
Note 1476 The foreign server, server_1, you are trying to create 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;