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Diffstat (limited to 'doc/src/sgml/indexam.sgml')
| -rw-r--r-- | doc/src/sgml/indexam.sgml | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/doc/src/sgml/indexam.sgml b/doc/src/sgml/indexam.sgml index 61956cdfcf..70fba4ecc0 100644 --- a/doc/src/sgml/indexam.sgml +++ b/doc/src/sgml/indexam.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/indexam.sgml,v 2.11 2006/05/10 23:18:38 tgl Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/indexam.sgml,v 2.12 2006/05/24 11:01:39 teodor Exp $ --> <chapter id="indexam"> <title>Index Access Method Interface Definition</title> @@ -126,8 +126,7 @@ used to scan for rows with <literal>a = 4</literal>, which is wrong if the index omits rows where <literal>b</> is null. It is, however, OK to omit rows where the first indexed column is null. - (GiST currently does so.) Thus, - <structfield>amindexnulls</structfield> should be set true only if the + Thus, <structfield>amindexnulls</structfield> should be set true only if the index access method indexes all rows, including arbitrary combinations of null values. </para> |