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1 | 1 | TODO list for PostgreSQL |
2 | 2 | ======================== |
3 | | -Last updated:Thu Aug 8 19:50:27 EDT 2002 |
| 3 | +Last updated:Tue Aug13 00:32:10 EDT 2002 |
4 | 4 |
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5 | 5 | Current maintainer:Bruce Momjian (pgman@candle.pha.pa.us) |
6 | 6 |
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@@ -159,7 +159,8 @@ Indexes |
159 | 159 | * Be smarter about insertion of already-ordered data into btree index |
160 | 160 | * -Add deleted bit to index tuples to reduce heap access |
161 | 161 | * Prevent index uniqueness checks when UPDATE does not modifying column |
162 | | -* Add bitmap indexes [performance] |
| 162 | +* Use bitmaps to fetch heap pages in sequential order [performance] |
| 163 | +* Use bitmaps to combine existing indexes [performance] |
163 | 164 | * Improve handling of index scans for NULL |
164 | 165 | * Allow SELECT * FROM tab WHERE int2col = 4 to use int2col index, int8, |
165 | 166 | float4, numeric/decimal too [optimizer] |
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