Re: what is the maximum number of rows in a table in postgresql 8.1
От | sathiya psql |
---|---|
Тема | Re: what is the maximum number of rows in a table in postgresql 8.1 |
Дата | |
Msg-id | f966c2ee0803250550o563309a3p2c2d4509535c8bf6@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: what is the maximum number of rows in a table in postgresql 8.1 (Craig Ringer <craig@postnewspapers.com.au>) |
Ответы |
Re: what is the maximum number of rows in a table in postgresql
8.1
Re: what is the maximum number of rows in a table in postgresql 8.1 Re: what is the maximum number of rows in a table in postgresql 8.1 |
Список | pgsql-performance |
EXPLAIN ANALYZE SELECT count(*) from call_log_in_ram ;
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------
Aggregate (cost=90760.80..90760.80 rows=1 width=0) (actual time=6069.373..6069.374 rows=1 loops=1)
-> Seq Scan on call_log_in_ram (cost=0.00..89121.24 rows=3279119 width=0) (actual time=0.012..4322.345 rows=3279119 loops=1)
Total runtime: 6069.553 ms
(3 rows)
zivah=# EXPLAIN ANALYZE SELECT count(*) from call_log_in_ram ;
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------
Aggregate (cost=90760.80..90760.80 rows=1 width=0) (actual time=6259.436..6259.437 rows=1 loops=1)
-> Seq Scan on call_log_in_ram (cost=0.00..89121.24 rows=3279119 width=0) (actual time=0.013..4448.549 rows=3279119 loops=1)
Total runtime: 6259.543 ms
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------
Aggregate (cost=90760.80..90760.80 rows=1 width=0) (actual time=6069.373..6069.374 rows=1 loops=1)
-> Seq Scan on call_log_in_ram (cost=0.00..89121.24 rows=3279119 width=0) (actual time=0.012..4322.345 rows=3279119 loops=1)
Total runtime: 6069.553 ms
(3 rows)
zivah=# EXPLAIN ANALYZE SELECT count(*) from call_log_in_ram ;
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------
Aggregate (cost=90760.80..90760.80 rows=1 width=0) (actual time=6259.436..6259.437 rows=1 loops=1)
-> Seq Scan on call_log_in_ram (cost=0.00..89121.24 rows=3279119 width=0) (actual time=0.013..4448.549 rows=3279119 loops=1)
Total runtime: 6259.543 ms
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