Обсуждение: pgsql: Minor comment updates

Minor comment updates

Fix a couple of typos, and update a comment about why we set a BMS to
NULL.

Author: David Rowley
Discussion: http://postgr.es/m/CAKJS1f-tux=KdUz6ENJ9GHM_V2qgxysadYiOyQS9Ko9PTteVhQ@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/d7a95f06a1a125fd82b87d01d9a9d8cf9c081799

Modified Files
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src/backend/executor/execPartition.c | 11 +++++++----
src/include/partitioning/partprune.h |  2 +-
2 files changed, 8 insertions(+), 5 deletions(-)