set autoddl off and sequence of: ( create view V as select * from T; alter view 
V as select 1 x from rdb$database; drop view V; ) leads to server crash
-------------------------------------------------------------------------------------------------------------------------------------------------------

                 Key: CORE-5107
                 URL: http://tracker.firebirdsql.org/browse/CORE-5107
             Project: Firebird Core
          Issue Type: Bug
            Reporter: Pavel Zotov
         Attachments: gdb-crash-when-create_alter_drop_view-within-single-tx.zip

Create file with following statements:
===
$ /opt/fb30ss/bin/isql -q -i ./create-alter-drop-view-when-autoddl-off.sql
set autoddl off;
commit;
recreate table test(id int, x int);
create view v_test as select * from test;
alter view v_test as select 1 id from rdb$database;
drop view v_test;
commit;
===

Run it:  $ /opt/fb30ss/bin/isql -q -i 
./create-alter-drop-view-when-autoddl-off.sql

Output:

Statement failed, SQLSTATE = 08006
Error reading data from the connection.
After line 9 in file ./create-alter-drop-view-when-autoddl-off.sql
Statement failed, SQLSTATE = 08006
Error writing data to the connection.
After line 10 in file ./create-alter-drop-view-when-autoddl-off.sql

PS. LI-V3.0.0.32328, SuperServer; no such crash on FB 2.5; stacktrace see in 
attached zip.


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