Uma Krishnan wrote:
> Hello I'm trying to implement a new SortMerge algorithm, and see how it
> compares with the current algorithm. In doing so, rather than using
> select, I'd like to introduce a new verb so that Select is not modified.
>
> I looked at the source code, but could find the place where Postgres SQL
> grammer is defined.
>
src/backend/parser/gram.y
If you intend this work to be incorporated into PostgreSQL you should
discuss it first on this list, before you cut a single line of code - the
bar for new verbs is likely to be set fairly high.
cheers
andrew