Bug #951: Creating table fails if inherited table has no columns.

Daniel Migowski (Mig-O(at)artis(dot)uni-oldenburg(dot)de) reports a bug with a severity of 3
The lower the number the more severe it is.

Short Description
Creating table fails if inherited table has no columns.

Long Description
Creating a table that inherits from another table with no colums an internal error is thrown. This is repeatable.
See the example for the error message.

Daniel Migowski

Version: 7.3.2r-7 (Debian package)
OS: Linux becks 2.4.19 #5 SMP Thu Mar 20 22:59:40 CET 2003 i686 unknown unknown GNU/Linux

Sample Code
TestDB=# create table mother ( );
CREATE TABLE
TestDB=# create table father ( father_id int4 );
CREATE TABLE
TestDB=# create table daughter ( ) inherits ( mother );
ERROR: MemoryContextAlloc: invalid request size 0
TestDB=# create table son ( ) inherits ( father );
CREATE TABLE

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