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storage engine system variables was not validated and unexpected value was assigned. The check_func_enum function used subtraction from the uint value with the probably negative result. That result of type uint was compared with 0 after casting to signed long type. On architectures where long type is longer than int type the result of comparison was unexpected.
29 lines
986 B
Text
29 lines
986 B
Text
CREATE TABLE t1(a int) ENGINE=EXAMPLE;
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Warnings:
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Warning 1286 Unknown table engine 'EXAMPLE'
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Warning 1266 Using storage engine MyISAM for table 't1'
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DROP TABLE t1;
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INSTALL PLUGIN example SONAME 'ha_example.so';
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INSTALL PLUGIN EXAMPLE SONAME 'ha_example.so';
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ERROR HY000: Function 'EXAMPLE' already exists
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UNINSTALL PLUGIN example;
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INSTALL PLUGIN example SONAME 'ha_example.so';
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CREATE TABLE t1(a int) ENGINE=EXAMPLE;
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SELECT * FROM t1;
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a
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DROP TABLE t1;
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UNINSTALL PLUGIN example;
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UNINSTALL PLUGIN EXAMPLE;
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ERROR 42000: PLUGIN EXAMPLE does not exist
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UNINSTALL PLUGIN non_exist;
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ERROR 42000: PLUGIN non_exist does not exist
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#
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# Bug#32034: check_func_enum() does not check correct values but set it
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# to impossible int val
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#
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INSTALL PLUGIN example SONAME 'ha_example.so';
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SET GLOBAL example_enum_var= e1;
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SET GLOBAL example_enum_var= e2;
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SET GLOBAL example_enum_var= impossible;
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ERROR 42000: Variable 'enum_var' can't be set to the value of 'impossible'
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UNINSTALL PLUGIN example;
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