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| -rw-r--r-- | doc/TODO | 9 |
1 files changed, 5 insertions, 4 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: Thu Nov 4 11:19:28 EST 2004 +Last updated: Thu Nov 4 11:49:35 EST 2004 The most recent version of this document can be viewed at the PostgreSQL web site, http://www.PostgreSQL.org. @@ -221,7 +221,7 @@ Indexes (dup) should fail [inheritance] The main difficulty with this item is the problem of creating an index - that can spam more than one table. + that can span more than one table. * Add UNIQUE capability to non-btree indexes * Add rtree index support for line, lseg, path, point @@ -236,7 +236,7 @@ Indexes For an index on col1,col2,col3, and a WHERE clause of col1 = 5 and col3 = 9, spin though the index checking for col1 and col3 matches, - rather than just col1 + rather than just col1; also called skip-scanning. * Prevent index uniqueness checks when UPDATE does not modify the column @@ -638,7 +638,8 @@ Fsync Cache ===== -* Add free-behind capability for large sequential scans [fadvise] +* Allow free-behind capability for large sequential scans, perhaps using + posix_fadvise() [fadvise] * Consider use of open/fcntl(O_DIRECT) to minimize OS caching * Cache last known per-tuple offsets to speed long tuple access |