Add TupleTableSlotOps.is_current_xact_tuple() method This allows us to abstract how/whether table AM uses transaction identifiers. A custom table AM can use a custom slot, which may not store xmin directly, but determine the tuple belonging to the current transaction in the other way.
Discussion: https://postgr.es/m/CAPpHfdurb9ycV8udYqM%3Do0sPS66PJ4RCBM1g-bBpvzUfogY0EA%40mail.gmail.com Reviewed-by: Matthias van de Meent, Mark Dilger, Pavel Borisov Reviewed-by: Nikita Malakhov, Japin Li Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/0997e0af273d80add75bcf5616eee000d0a78397 Modified Files -------------- src/backend/executor/execTuples.c | 79 +++++++++++++++++++++++++++++++++++++ src/backend/utils/adt/ri_triggers.c | 8 +--- src/include/executor/tuptable.h | 21 ++++++++++ 3 files changed, 101 insertions(+), 7 deletions(-)