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8 | 8 | * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group |
9 | 9 | * Portions Copyright (c) 1994, Regents of the University of California |
10 | 10 | * |
11 | | - * $Id: pg_index.h,v 1.20 2001/05/17 00:29:52 momjian Exp $ |
| 11 | + * $Id: pg_index.h,v 1.21 2001/07/09 18:35:52 momjian Exp $ |
12 | 12 | * |
13 | 13 | * NOTES |
14 | 14 | * the genbki.sh script reads this file and generates .bki |
@@ -49,8 +49,10 @@ CATALOG(pg_index) |
49 | 49 | int2vectorindkey; |
50 | 50 | oidvectorindclass; |
51 | 51 | boolindisclustered;/* unused */ |
52 | | -boolindislossy;/* do we fetch false tuples (lossy |
53 | | - * compression)? */ |
| 52 | +boolindislossy;/* index hit must be reevaluated against heap |
| 53 | + * value to make sure it really is match; |
| 54 | + * typically used by hash. |
| 55 | + */ |
54 | 56 | boolindhaskeytype;/* not used, originally added by GIST */ |
55 | 57 | boolindisunique;/* is this a unique index? */ |
56 | 58 | boolindisprimary;/* is this index for primary key */ |
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