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Augment EXPLAIN output with more details on Hash nodes.

author Robert Haas <rhaas@postgresql.org>

Mon, 1 Feb 2010 15:43:36 +0000 (15:43 +0000)

committer Robert Haas <rhaas@postgresql.org>

Mon, 1 Feb 2010 15:43:36 +0000 (15:43 +0000)

commit 42a8ab0a1429b4ba78a35ad8b210734d1561d644

tree b1a8278c0ea4837162f8bc5d7274738d7fd02a97 tree

parent cccfc4efc4e72e11b8583d3a7a4b123ace79e7c9 commit | 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.

src/backend/commands/explain.c diff | blob | blame | history

src/backend/executor/nodeHash.c diff | blob | blame | history

src/include/executor/hashjoin.h diff | blob | blame | history

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