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bug #8663 cant use bigint unsigned as input to cast

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in the case of the overflow in the decimal->integer conversion
we didn't return the proper boundary value, but just the result
of the conversion we calculated on the moment of the error


mysql-test/r/bigint.result:
  bug #8663 cant use bigint unsigned as input to cast
  test result fixed
mysql-test/t/bigint.test:
  bug #8663 cant use bigint unsigned as input to cast
  test case
strings/decimal.c:
  bug #8663 cant use bigint unsigned as input to cast
  decimal->int conversion fixed to return proper boundary value
  in the case of overflow
This commit is contained in:
unknown
2007-05-16 10:12:49 +05:00
parent d886ea8fb6
commit 1e33cfb36a
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);