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56 lines
2.9 KiB
Text
56 lines
2.9 KiB
Text
# Create a stored procedure which calls the different functions to retrieve the user
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CREATE FUNCTION test.func_session_user() RETURNS CHAR(80) SQL SECURITY DEFINER RETURN CONCAT(USER(), '; ', CURRENT_USER(), '; ', SESSION_USER());
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# Create a view which calls the different functions to retrieve the user
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CREATE SQL SECURITY DEFINER VIEW test.view_session_user AS SELECT USER(), CURRENT_USER(), SESSION_USER();
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# Create test_user
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CREATE USER 'test_user'@'%';
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GRANT EXECUTE, CREATE, DROP, SELECT ON test.* TO 'test_user'@'%';
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# Connect as test_user
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connect test_user_con,localhost,test_user,,;
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# Check the function called directly
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SELECT USER(), CURRENT_USER(), SESSION_USER();
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USER() CURRENT_USER() SESSION_USER()
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test_user@localhost test_user@% test_user@%
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# Check the function inside of a stored procedure
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SELECT test.func_session_user();
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test.func_session_user()
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test_user@localhost; root@localhost; test_user@%
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# Check the function inside of a view
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SELECT * FROM test.view_session_user;
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USER() CURRENT_USER() SESSION_USER()
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test_user@localhost root@localhost test_user@%
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# Check SESSION_USER is allowed in virtual columns
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CREATE OR REPLACE TABLE t1 (a int, b varchar(100) GENERATED ALWAYS AS (SESSION_USER()));
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# Check SESSION_USER is not allowed for indexed virtual columns
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CREATE OR REPLACE TABLE t1 (a int, b varchar(100) GENERATED ALWAYS AS (SESSION_USER()), INDEX idx (b));
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ERROR HY000: Function or expression 'session_user()' cannot be used in the GENERATED ALWAYS AS clause of `b`
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# Check SESSION_USER is not allowed in virtual columns when CHECK constraints are provided
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CREATE OR REPLACE TABLE t1 (a int, b varchar(100) GENERATED ALWAYS AS (SESSION_USER()) CHECK (b <> ''));
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ERROR HY000: Function or expression 'b' cannot be used in the CHECK clause of `b`
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# Check SESSION_USER is not allowed for stored virtual columns
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CREATE OR REPLACE TABLE t1 (a int, b varchar(100) GENERATED ALWAYS AS (SESSION_USER()) STORED);
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ERROR HY000: Function or expression 'session_user()' cannot be used in the GENERATED ALWAYS AS clause of `b`
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# Check SESSION_USER is allowed as default
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CREATE OR REPLACE TABLE t1 (a int, b varchar(100) DEFAULT (SESSION_USER()));
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# Test old mode SESSION_USER_IS_USER behaves properly
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SELECT @@OLD_MODE, @@GLOBAL.OLD_MODE;
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@@OLD_MODE @@GLOBAL.OLD_MODE
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UTF8_IS_UTF8MB3 UTF8_IS_UTF8MB3
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SELECT USER(), SESSION_USER();
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USER() SESSION_USER()
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test_user@localhost test_user@%
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SET @@OLD_MODE = CONCAT(@@OLD_MODE, ',SESSION_USER_IS_USER');
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Warnings:
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Warning 1287 'SESSION_USER_IS_USER' is deprecated and will be removed in a future release
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SELECT @@OLD_MODE, @@GLOBAL.OLD_MODE;
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@@OLD_MODE @@GLOBAL.OLD_MODE
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UTF8_IS_UTF8MB3,SESSION_USER_IS_USER UTF8_IS_UTF8MB3
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SELECT USER(), SESSION_USER();
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USER() SESSION_USER()
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test_user@localhost test_user@localhost
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# Cleanup
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connection default;
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DROP USER 'test_user'@'%';
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DROP FUNCTION test.func_session_user;
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DROP VIEW test.view_session_user;
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DROP TABLE test.t1;
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