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| author | Bruce Momjian <bruce@momjian.us> | 2001-07-09 18:35:52 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2001-07-09 18:35:52 +0000 |
| commit | a48c3a3447efda3e829c39f31547ed93fc32f78f (patch) | |
| tree | 19db29f60f38a255150e8b146fe3b788fce5ecfd | |
| parent | bb0db4530279da3cd01c4db84a604220234cd4b0 (diff) | |
| download | postgresql-a48c3a3447efda3e829c39f31547ed93fc32f78f.tar.gz postgresql-a48c3a3447efda3e829c39f31547ed93fc32f78f.zip | |
Document meaning of lossy column.
| -rw-r--r-- | src/include/catalog/pg_index.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/include/catalog/pg_index.h b/src/include/catalog/pg_index.h index c7af574c7c4..a490c8b5828 100644 --- a/src/include/catalog/pg_index.h +++ b/src/include/catalog/pg_index.h @@ -8,7 +8,7 @@ * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: pg_index.h,v 1.20 2001/05/17 00:29:52 momjian Exp $ + * $Id: pg_index.h,v 1.21 2001/07/09 18:35:52 momjian Exp $ * * NOTES * the genbki.sh script reads this file and generates .bki @@ -49,8 +49,10 @@ CATALOG(pg_index) int2vector indkey; oidvector indclass; bool indisclustered; /* unused */ - bool indislossy; /* do we fetch false tuples (lossy - * compression)? */ + bool indislossy; /* index hit must be reevaluated against heap + * value to make sure it really is match; + * typically used by hash. + */ bool indhaskeytype; /* not used, originally added by GIST */ bool indisunique; /* is this a unique index? */ bool indisprimary; /* is this index for primary key */ |