| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Tasneem Memon <tasneememon(at)hotmail(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Help Required regarding implementing operators in postgreSQL |
| Date: | 2007-05-24 15:37:33 |
| Message-ID: | 5189.1180021053@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Tasneem Memon <tasneememon(at)hotmail(dot)com> writes:
> Hi, I am Tasneem Memon doing MS Computer Science. I am working on my thesis=
> these days, for which I have defined some operators theoritically as well =
> as their algorithms, and intend to implement them in PostgreSQL. These oper=
> ators(NEAR, NOT NEAR) are binary and work with NUMBER and DATE data types. =
> Now I need to implement support for them in the parser. But I haven't worke=
> d on the optimization of the operators. And also I am new to database syste=
> ms programming, I am quite confused about what to do now and if I am going =
> the right direction!Please Guide me what should I do next.With best regards=
It sounds like you could use LIKE and its underlying operators/functions
as a template to follow.
regards, tom lane
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