Postgres SQL Parser

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

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/parser/gram.y

I recommend you read the developer's FAQ.

--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://www.enterprisedb.com

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