Обсуждение: pgsql: Instrument index-only scans to count heap fetches performed.

Instrument index-only scans to count heap fetches performed.

Patch by me; review by Tom Lane, Jeff Davis, and Peter Geoghegan.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/9f9135d129e915e72c8a2f770689fd72619ead49

Modified Files
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src/backend/commands/explain.c           |    3 +++
src/backend/executor/nodeIndexonlyscan.c |    2 ++
src/include/nodes/execnodes.h            |    2 ++
3 files changed, 7 insertions(+), 0 deletions(-)