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Merge abotchkov@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

Browse Source 
into  mysql.com:/home/hf/work/8663/my50-8663
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unknown
2007-05-17 00:10:39 +05:00
parent 418a2983c0 5e00d4b7f6
commit b015146e41
3 changed files with 21 additions and 1 deletions
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10
mysql-test/r/bigint.result
View File

@ -352,3 +352,13 @@ select c1 mod 50 as result from t1;
result
6
drop table t1;
select cast(19999999999999999999 as signed);
cast(19999999999999999999 as signed)
9223372036854775807
Warnings:
Error 1292 Truncated incorrect DECIMAL value: ''
select cast(-19999999999999999999 as signed);
cast(-19999999999999999999 as signed)
-9223372036854775808
Warnings:
Error 1292 Truncated incorrect DECIMAL value: ''

6
mysql-test/t/bigint.test
View File

@ -288,3 +288,9 @@ insert into t1 values (10000002383263201056);
select c1 mod 50 as result from t1;
drop table t1;
#
# Bug #8663 cant use bgint unsigned as input to cast
#
select cast(19999999999999999999 as signed);
select cast(-19999999999999999999 as signed);

6
strings/decimal.c
View File

@ -1083,7 +1083,11 @@ int decimal2longlong(decimal_t *from, longlong *to)
x=x*DIG_BASE - *buf++;
if (unlikely(y < (LONGLONG_MIN/DIG_BASE) || x > y))
{
*to= from->sign ? y : -y;
/*
the decimal is bigger than any possible integer
return border integer depending on the sign
*/
*to= from->sign ? LONGLONG_MIN : LONGLONG_MAX;
return E_DEC_OVERFLOW;
}
}