Обсуждение: pgsql: Change NestPath node to contain JoinPath node

Change NestPath node to contain JoinPath node

This makes the structure of all JoinPath-derived nodes the same,
independent of whether they have additional fields.

Discussion: https://www.postgresql.org/message-id/flat/c1097590-a6a4-486a-64b1-e1f9cc0533ce@enterprisedb.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/18fea737b5e47cc677eaf97365c765a47f346763

Modified Files
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src/backend/optimizer/path/costsize.c   | 35 +++++++++++++++++----------------
src/backend/optimizer/plan/createplan.c | 24 +++++++++++-----------
src/backend/optimizer/util/pathnode.c   | 32 ++++++++++++++++--------------
src/include/nodes/pathnodes.h           |  5 ++++-
4 files changed, 51 insertions(+), 45 deletions(-)