Altering of a TYPE OF COLUMN parameter affects the original column
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Key: CORE-3491
URL: http://tracker.firebirdsql.org/browse/CORE-3491
Project: Firebird Core
Issue Type: Bug
Components: Engine
Affects Versions: 2.5.0
Reporter: Dmitry Yemanov
Test case:
create table aaa (a integer);
commit;
create or alter procedure bbb
returns (b type of column aaa.a)
as
begin
suspend;
end
commit;
create or alter procedure bbb
returns (b varchar(10))
as
begin
suspend;
end
commit;
At this point, column "aaa.a" has data type of varchar(10)! It looks like the
underlying domain has been modified without checking other dependencies.
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