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result. For built-in functions like sqrt() function names are hard-coded and can be compared by pointer. But this isn't the case for a used-defined stored functions - names there are dynamical and should be compared as strings. Now the Item_func::eq() function employs my_strcasecmp() function to compare used-defined stored functions names. mysql-test/t/sp.test: Added a test case for bug#25373: Stored functions wasn't compared correctly which leads to a wrong result. mysql-test/r/sp.result: Added a test case for bug#25373: Stored functions wasn't compared correctly which leads to a wrong result. sql/item_func.cc: Bug#25373: Stored functions wasn't compared correctly which leads to a wrong result. Now the Item_func::eq() function employs my_strcasecmp() function to compare used-defined stored functions names.
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