Thread: pgsql: Include result relation info in direct modify ForeignScan nodes.
pgsql: Include result relation info in direct modify ForeignScan nodes.
From
Heikki Linnakangas
Date:
Include result relation info in direct modify ForeignScan nodes. FDWs that can perform an UPDATE/DELETE remotely using the "direct modify" set of APIs need to access the ResultRelInfo of the target table. That's currently available in EState.es_result_relation_info, but the next commit will remove that field. This commit adds a new resultRelation field in ForeignScan, to store the target relation's RT index, and the corresponding ResultRelInfo in ForeignScanState. The FDW's PlanDirectModify callback is expected to set 'resultRelation' along with 'operation'. The core code doesn't need them for anything, they are for the convenience of FDW's Begin- and IterateDirectModify callbacks. Authors: Amit Langote, Etsuro Fujita Discussion: https://www.postgresql.org/message-id/CA%2BHiwqGEmiib8FLiHMhKB%2BCH5dRgHSLc5N5wnvc4kym%2BZYpQEQ%40mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/178f2d560dde05b356ab2f586b8bc62514f454aa Modified Files -------------- contrib/postgres_fdw/postgres_fdw.c | 16 +++++++++------- doc/src/sgml/fdwhandler.sgml | 15 +++++++++------ src/backend/executor/nodeForeignscan.c | 7 +++++++ src/backend/nodes/copyfuncs.c | 1 + src/backend/nodes/outfuncs.c | 1 + src/backend/nodes/readfuncs.c | 1 + src/backend/optimizer/plan/createplan.c | 4 ++++ src/backend/optimizer/plan/setrefs.c | 4 ++++ src/include/nodes/execnodes.h | 1 + src/include/nodes/plannodes.h | 8 ++++++++ 10 files changed, 45 insertions(+), 13 deletions(-)