select slow?
От | Jaime Casanova |
---|---|
Тема | select slow? |
Дата | |
Msg-id | BAY8-F81VY60mJWEsBk00017a0d@hotmail.com обсуждение исходный текст |
Ответы |
Re: select slow?
Re: select slow? |
Список | pgsql-performance |
hi all, i have an amd athlon with 256 ram (i know, this is not a *real* server but my tables are small) i'm using vb6 (win98) with pgsql-7.3.4 (rh8) trough the psqlodbc. when i do a select in took long to execute, here is an example table icc_m_banco CREATE TABLE ICC_M_BANCO ( CodBanco SMALLINT NOT NULL, Descripcion CHARACTER VARYING(60) NOT NULL, RefContable NUMERIC, Estado CHAR(1) NOT NULL, FecRegistro DATE NOT NULL, CONSTRAINT EstadoBanco CHECK ((Estado = 'A') or (Estado = 'I')), PRIMARY KEY(CodBanco) ); select * from icc_m_banco where codbanco = 1; it tooks 13s from it's send until it's executed. explain analyze give me this result: explain analyze select * from icc_m_banco where codbanco = 1; Seq Scan on icc_m_banco (cost=0.00..1.06 rows=6 width=41) (actual time=7.94..7.96 rows=4 loops=1) Total runtime: 63.37 msec (2 rows) so i think its not a database problem (at least it's not all the problem), though it seems to me it is taking a lot of time executing this. am i right? any suggestions? _________________________________________________________________ Help STOP SPAM with the new MSN 8 and get 2 months FREE* http://join.msn.com/?page=features/junkmail
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