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Mark IN performance problem as fixed in 7.4

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Bruce Momjian 2003-01-26 02:43:55 +00:00
parent dc87ea755c
commit 4dc2bceef4
1 changed files with 3 additions and 3 deletions
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@ -1,7 +1,7 @@
Frequently Asked Questions (FAQ) for PostgreSQL Frequently Asked Questions (FAQ) for PostgreSQL
Last updated: Fri Jan 17 12:15:04 EST 2003 Last updated: Sat Jan 25 21:43:37 EST 2003
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@ -1015,8 +1015,8 @@ CREATE TABLE test (x int, modtime timestamp DEFAULT CURRENT_TIMESTAMP );
FROM tab FROM tab
WHERE EXISTS (SELECT subcol FROM subtab WHERE subcol = col); WHERE EXISTS (SELECT subcol FROM subtab WHERE subcol = col);
For this to be fast, subcol should be an indexed column. We hope to For this to be fast, subcol should be an indexed column. This
fix this limitation in a future release. preformance problem will be fixed in 7.4.
4.23) How do I perform an outer join? 4.23) How do I perform an outer join?