31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
SELECT COUNT(@@GLOBAL.version_compile_zlib);
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COUNT(@@GLOBAL.version_compile_zlib)
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1
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SET @@GLOBAL.version_compile_zlib=1;
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ERROR HY000: Variable 'version_compile_zlib' is a read only variable
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SELECT @@GLOBAL.version_compile_zlib = VARIABLE_VALUE
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FROM performance_schema.global_variables
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WHERE VARIABLE_NAME='version_compile_zlib';
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@@GLOBAL.version_compile_zlib = VARIABLE_VALUE
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1
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SELECT COUNT(VARIABLE_VALUE)
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FROM performance_schema.global_variables
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WHERE VARIABLE_NAME='version_compile_zlib';
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COUNT(VARIABLE_VALUE)
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1
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SELECT @@version_compile_zlib = @@GLOBAL.version_compile_zlib;
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@@version_compile_zlib = @@GLOBAL.version_compile_zlib
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1
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SELECT COUNT(@@version_compile_zlib);
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COUNT(@@version_compile_zlib)
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1
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SELECT COUNT(@@local.version_compile_zlib);
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ERROR HY000: Variable 'version_compile_zlib' is a GLOBAL variable
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SELECT COUNT(@@SESSION.version_compile_zlib);
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ERROR HY000: Variable 'version_compile_zlib' is a GLOBAL variable
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SELECT COUNT(@@GLOBAL.version_compile_zlib);
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COUNT(@@GLOBAL.version_compile_zlib)
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1
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SELECT version_compile_zlib = @@SESSION.version_compile_zlib;
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ERROR 42S22: Unknown column 'version_compile_zlib' in 'field list'
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