1
'#---------------------BS_STVARS_016_01----------------------#'
2
SELECT COUNT(@@GLOBAL.have_rtree_keys);
3
COUNT(@@GLOBAL.have_rtree_keys)
6
'#---------------------BS_STVARS_016_02----------------------#'
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SET @@GLOBAL.have_rtree_keys=1;
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ERROR HY000: Variable 'have_rtree_keys' is a read only variable
9
Expected error 'Read only variable'
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SELECT COUNT(@@GLOBAL.have_rtree_keys);
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COUNT(@@GLOBAL.have_rtree_keys)
14
'#---------------------BS_STVARS_016_03----------------------#'
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SELECT @@GLOBAL.have_rtree_keys = VARIABLE_VALUE
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FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
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WHERE VARIABLE_NAME='have_rtree_keys';
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@@GLOBAL.have_rtree_keys = VARIABLE_VALUE
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SELECT COUNT(@@GLOBAL.have_rtree_keys);
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COUNT(@@GLOBAL.have_rtree_keys)
25
SELECT COUNT(VARIABLE_VALUE)
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FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
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WHERE VARIABLE_NAME='have_rtree_keys';
31
'#---------------------BS_STVARS_016_04----------------------#'
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SELECT @@have_rtree_keys = @@GLOBAL.have_rtree_keys;
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@@have_rtree_keys = @@GLOBAL.have_rtree_keys
36
'#---------------------BS_STVARS_016_05----------------------#'
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SELECT COUNT(@@have_rtree_keys);
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COUNT(@@have_rtree_keys)
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SELECT COUNT(@@local.have_rtree_keys);
42
ERROR HY000: Variable 'have_rtree_keys' is a GLOBAL variable
43
Expected error 'Variable is a GLOBAL variable'
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SELECT COUNT(@@SESSION.have_rtree_keys);
45
ERROR HY000: Variable 'have_rtree_keys' is a GLOBAL variable
46
Expected error 'Variable is a GLOBAL variable'
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SELECT COUNT(@@GLOBAL.have_rtree_keys);
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COUNT(@@GLOBAL.have_rtree_keys)
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SELECT have_rtree_keys = @@SESSION.have_rtree_keys;
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ERROR 42S22: Unknown column 'have_rtree_keys' in 'field list'
53
Expected error 'Readonly variable'