diff --git a/doc/FAQ b/doc/FAQ index a1f9d150ba7a94ce3c77cc6c9cc685aaad18ad13..0cc05b3d3b7fc58e0ed1de0ca1e989c3c13a2c10 100644 --- a/doc/FAQ +++ b/doc/FAQ @@ -1,7 +1,7 @@ Frequently Asked Questions (FAQ) for PostgreSQL - Last updated: Sun Jun 23 17:16:13 EDT 2002 + Last updated: Mon Jun 24 21:45:50 EDT 2002 Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) @@ -743,13 +743,14 @@ using an index with ORDER BY and LIMIT: SELECT col FROM tab - ORDER BY col + ORDER BY col [ DESC ] LIMIT 1 When using wild-card operators such as LIKE or ~, indexes can only be - used if the beginning of the search is anchored to the start of the - string. Therefore, to use indexes, LIKE patterns must not start with - %, and ~(regular expression) patterns must start with ^. + used if the default C local is used during initdb and the beginning of + the search is anchored to the start of the string. Therefore, to use + indexes, LIKE patterns must not start with %, and ~(regular + expression) patterns must start with ^. 4.9) How do I see how the query optimizer is evaluating my query? diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html index b6de1a6d49992973ac04c2ac8907224d73c1fa6b..3240a406850d4980d9e837a04249261315f8367e 100644 --- a/doc/src/FAQ/FAQ.html +++ b/doc/src/FAQ/FAQ.html @@ -14,7 +14,7 @@ alink="#0000ff"> <H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1> - <P>Last updated: Sun Jun 23 17:16:13 EDT 2002</P> + <P>Last updated: Mon Jun 24 21:45:50 EDT 2002</P> <P>Current maintainer: Bruce Momjian (<A href= "mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR> @@ -946,12 +946,13 @@ <PRE> SELECT col FROM tab - ORDER BY col + ORDER BY col [ DESC ] LIMIT 1 </PRE> <P>When using wild-card operators such as <SMALL>LIKE</SMALL> or - <I>~</I>, indexes can only be used if the beginning of the search + <I>~</I>, indexes can only be used if the default C local is used +during initdb and the beginning of the search is anchored to the start of the string. Therefore, to use indexes, <SMALL>LIKE</SMALL> patterns must not start with <I>%</I>, and <I>~</I>(regular expression) patterns must start with <I>^</I>.</P>