[HACKERS] About adding a column to an existing system catalog

2014-03-24 Thread Tanmay Deshpande
while adding a column to an existing system catalog I am getting following error while initdb FATAL: incorrect number of columns in row (expected 22, got 21) where do I have to make the changes ?

[HACKERS] About adding an attribute to a system catalog

2014-03-24 Thread Tanmay Deshpande
My doubt is what changes does one have to make in the source code if he/she is trying to add an attribute to the existing system catalogs table ?

[HACKERS] About adding an attribute to pg_attibute

2014-03-24 Thread Tanmay Deshpande
We are trying add columnar support to postgreSQL and for that we need identify each column in each relation by an oid. So my doubt is how do we add an attribute/ a column to catalog pg_attribute ?

[HACKERS] About adding a column to system catalog pg_attribute

2014-03-24 Thread Tanmay Deshpande
I want to add a column to system catalog pg_attribute for getting an oid for a column also. How do we add a column into pg_attribute ?

[HACKERS] About the portal in postgres

2014-03-14 Thread Tanmay Deshpande
My doubt is when the query enters into a portal, does it stay in the portal till the final execution ? i.e. Do the further function calls such as DefineRelation,create_heap_with_catalog etc. for Create query occur inside the portal ?