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MDEV-29552 LEFT and RIGHT with big value for parameter 'len' >0 return empty value in view

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The code in max_length_for_string() erroneously returned 0
for huge numbers like 4294967295.

Rewriting the code in a more straightforward way.
This commit is contained in:
Alexander Barkov
2024-11-05 09:19:05 +04:00
parent b07258a0d5
commit c2bf1d4781
3 changed files with 35 additions and 2 deletions
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14
mysql-test/main/func_str.result
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@@ -5332,3 +5332,17 @@ DO OCT(-9223372036854775808);
#
# End of 10.5 tests
#
#
# Start of 10.6 tests
#
#
# MDEV-29552 LEFT and RIGHT with big value for parameter 'len' >0 return empty value in view
#
create view v1 as select left('hello', 4294967295);
select * from v1;
left('hello', 4294967295)
hello
drop view v1;
#
# End of 10.6 tests
#