Sorry for my bad English.
The report in the attach
If PostgreSQL failed to compile on your computer or you found a bug that
is likely to be specific to one platform then please fill out this form
and e-mail it to pgsql-ports@postgresql.org.
To report any other bug, fill out the form below and e-mail it to
pgsql-bugs@postgresql.org.
If you not only found the problem but solved it and generated a patch
then e-mail it to pgsql-patches@postgresql.org instead. Please use the
command "diff -c" to generate the patch.
You may also enter a bug report at http://www.postgresql.org/ instead of
e-mail-ing this form.
============================================================================
POSTGRESQL BUG REPORT TEMPLATE
============================================================================
Your name : Roman
Your email address : rigalkin@luch.podolsk.ru
System Configuration
---------------------
Architecture (example: Intel Pentium) : Intel Celeron 667
Operating System (example: Linux 2.0.26 ELF) : Linux 2.4.18 (Red Hat 7.3)
PostgreSQL version (example: PostgreSQL-7.4): PostgreSQL-7.4
Compiler used (example: gcc 2.95.2) : gcc 2.97
Please enter a FULL description of your problem:
------------------------------------------------
Sorry, my English very bad, but i try write it
The pg_dump not save changes as ALTER TABLE DROP CONSTRAINT in case with inheritans table
Please describe a way to repeat the problem. Please try to provide a
concise reproducible example, if at all possible:
----------------------------------------------------------------------
#little example
create table a (d int check (d<5));
create table b () inherits (a);
alter table b drop constraint "a_d";
#after it, table b not have any constraint. Try save and restore the structure of database
#in shell:
pg_dump -s -f ~/dbtest -U postgres test
#in psql:
drop database test;
create database test;
#in shell:
psql test postgres < ~/dbtest
#Now, table b have constraint "a_d" :(
If you know how this problem might be fixed, list the solution below:
---------------------------------------------------------------------
I don't know :(