File: build_id_basic.test

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# Only supported on Linux
--source include/linux.inc

SELECT COUNT(@@GLOBAL.build_id);

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@GLOBAL.build_id=1;

SELECT COUNT(@@GLOBAL.build_id);

--disable_warnings
SELECT @@GLOBAL.build_id = VARIABLE_VALUE
FROM performance_schema.global_variables
WHERE VARIABLE_NAME='build_id';
--enable_warnings

SELECT COUNT(@@GLOBAL.build_id);

--disable_warnings
SELECT COUNT(VARIABLE_VALUE)
FROM performance_schema.global_variables 
WHERE VARIABLE_NAME='build_id';
--enable_warnings

SELECT @@build_id = @@GLOBAL.datadir;

SELECT COUNT(@@build_id);

--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@local.build_id);

--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@SESSION.build_id);

SELECT COUNT(@@GLOBAL.build_id);