| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Varun Kacholia <varunk(at)cse(dot)iitb(dot)ac(dot)in> |
| Cc: | Andrew Sullivan <andrew(at)libertyrms(dot)info>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: slow INSERTS :(( |
| Date: | 2002-06-16 19:20:58 |
| Message-ID: | 10371.1024255258@sss.pgh.pa.us |
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| Lists: | pgsql-general |
Varun Kacholia <varunk(at)cse(dot)iitb(dot)ac(dot)in> writes:
> I have migrated from MySql to PostgreSQL and i find that inserts are
> extremly slow.
See the standard tips at
http://www.ca.postgresql.org/users-lounge/docs/7.2/postgres/populate.html
> Isnt the following query supported in postgresql (it is surely useful and
> supported in MySQL )
> CREATE INDEX t_index ON (NAME(20) , ID);
I can't see any particular value in that myself, but Postgres supports
a generic approach to weird indexing requirements: functional indexes.
See
http://www.ca.postgresql.org/users-lounge/docs/7.2/postgres/indexes-functional.html
regards, tom lane
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