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@ -865,3 +865,6 @@ abc abc c bc abc
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abcd abcd d cd bcd abcd
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abcde abcde e de cde bcde abcde
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drop table t1;
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select hex(29223372036854775809), hex(-29223372036854775809);
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hex(29223372036854775809) hex(-29223372036854775809)
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FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF
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@ -606,3 +606,8 @@ insert t1 values ('ab'), ('abc'), ('abcd'), ('abcde');
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select *,substring(b,1),substring(b,-1),substring(b,-2),substring(b,-3),substring(b,-4),substring(b,-5) from t1;
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select * from (select *,substring(b,1),substring(b,-1),substring(b,-2),substring(b,-3),substring(b,-4),substring(b,-5) from t1) t;
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drop table t1;
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#
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# Bug #9854 hex() and out of range handling
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#
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select hex(29223372036854775809), hex(-29223372036854775809);
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@ -2348,9 +2348,21 @@ String *Item_func_hex::val_str(String *str)
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DBUG_ASSERT(fixed == 1);
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if (args[0]->result_type() != STRING_RESULT)
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{
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/* Return hex of unsigned longlong value */
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longlong dec= args[0]->val_int();
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ulonglong dec;
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char ans[65],*ptr;
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/* Return hex of unsigned longlong value */
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if (args[0]->result_type() == REAL_RESULT)
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{
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double val= args[0]->val();
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if ((val <= (double) LONGLONG_MIN) ||
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(val >= (double) (ulonglong) ULONGLONG_MAX))
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dec= ~(longlong) 0;
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else
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dec= (ulonglong) (val + (val > 0 ? 0.5 : -0.5));
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}
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else
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dec= (ulonglong) args[0]->val_int();
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if ((null_value= args[0]->null_value))
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return 0;
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ptr= longlong2str(dec,ans,16);
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