diff options
| author | Robert Haas <rhaas@postgresql.org> | 2010-02-01 15:43:36 +0000 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2010-02-01 15:43:36 +0000 |
| commit | 42a8ab0a1429b4ba78a35ad8b210734d1561d644 (patch) | |
| tree | b1a8278c0ea4837162f8bc5d7274738d7fd02a97 /src/include/executor | |
| parent | cccfc4efc4e72e11b8583d3a7a4b123ace79e7c9 (diff) | |
Augment EXPLAIN output with more details on Hash nodes.
We show the number of buckets, the number of batches (and also the original
number if it has changed), and the peak space used by the hash table. Minor
executor changes to track peak space used.
Diffstat (limited to 'src/include/executor')
| -rw-r--r-- | src/include/executor/hashjoin.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/include/executor/hashjoin.h b/src/include/executor/hashjoin.h index 4e90cbd3537..4ac6ae3ce84 100644 --- a/src/include/executor/hashjoin.h +++ b/src/include/executor/hashjoin.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/executor/hashjoin.h,v 1.52 2010/01/02 16:58:03 momjian Exp $ + * $PostgreSQL: pgsql/src/include/executor/hashjoin.h,v 1.53 2010/02/01 15:43:36 rhaas Exp $ * *------------------------------------------------------------------------- */ @@ -149,6 +149,7 @@ typedef struct HashJoinTableData Size spaceUsed; /* memory space currently used by tuples */ Size spaceAllowed; /* upper limit for space used */ + Size spacePeak; /* peak space used */ Size spaceUsedSkew; /* skew hash table's current space usage */ Size spaceAllowedSkew; /* upper limit for skew hashtable */ |