drop table inside transactions

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POSTGRESQL BUG REPORT TEMPLATE
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Your name : Jose' Soares
Your email address : sferac@bo.nettuno.it

System Configuration
---------------------
Architecture (example: Intel Pentium) : Intel Pentium

Operating System (example: Linux 2.0.26 ELF) : Linux 2.0.31 Elf

PostgreSQL version (example: PostgreSQL-6.1) : PostgreSQL-snapshot april 6, 1998

Compiler used (example: gcc 2.7.2) : gcc 2.7.2.1

Please enter a FULL description of your problem:
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There's another bug on transactions. If one drop a table inside a transaction
and then change his mind and rollback work, the table structure is restored
but data are lost.
Take a look...

prova=> begin work;
BEGIN
prova=> lock table a;
DELETE 0
prova=> select * from a;
a
---
1
13
134
(3 rows)

prova=> drop table a;
DROP
prova=> select * from a;
ERROR: a: Table does not exist.
prova=> rollback;
ABORT
prova=> select * from a;
a
-
(0 rows)
Jose'