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| -rw-r--r-- | doc/TODO | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -5,7 +5,7 @@ TODO list for PostgreSQL Bracketed items "[]" have more detail. Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) -Last updated: Mon Aug 30 12:08:12 EDT 2004 +Last updated: Wed Sep 1 21:18:44 EDT 2004 The most recent version of this document can be viewed at the PostgreSQL web site, http://www.PostgreSQL.org. @@ -802,6 +802,9 @@ Optimizer / Executor CHECK constraints contain information about the distribution of values within the table. This is also useful for implementing subtables where a tables content is distributed across several subtables. +* Consider using hash buckets to do DISTINCT, rather than sorting + + This would be beneficial when there are few distinct values. Miscellaneous |