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Michael Paquier 319a810180 Fix dependency handling of partitions and inheritance for ON COMMIT ... This commit fixes a set of issues with ON COMMIT actions when used on partitioned tables and tables with inheritance children: - Applying ON COMMIT DROP on a partitioned table with partitions or on a table with inheritance children caused a failure at commit time, with complains about the children being already dropped as all relations are dropped one at the same time. - Applying ON COMMIT DELETE on a partition relying on a partitioned table which uses ON COMMIT DROP would cause the partition truncation to fail as the parent is removed first. The solution to the first problem is to handle the removal of all the dependencies in one go instead of dropping relations one-by-one, based on a suggestion from Álvaro Herrera. So instead all the relation OIDs to remove are gathered and then processed in one round of multiple deletions. The solution to the second problem is to reorder the actions, with truncation happening first and relation drop done after. Even if it means that a partition could be first truncated, then immediately dropped if its partitioned table is dropped, this has the merit to keep the code simple as there is no need to do existence checks on the relations to drop. Contrary to a manual TRUNCATE on a partitioned table, ON COMMIT DELETE does not cascade to its partitions. The ON COMMIT action defined on each partition gets the priority. Author: Michael Paquier Reviewed-by: Amit Langote, Álvaro Herrera, Robert Haas Discussion: https://postgr.es/m/68f17907-ec98-1192-f99f-8011400517f5@lab.ntt.co.jp Backpatch-through: 10		7 years ago
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access	Use pg_pread() and pg_pwrite() for data files and WAL.	7 years ago
bootstrap	Install a check for mis-linking of src/port and src/common functions.	7 years ago
catalog	Switch pg_promote to be parallel-safe	7 years ago
commands	Fix dependency handling of partitions and inheritance for ON COMMIT	7 years ago
executor	Move EEOP_*_SYSVAR evaluation out of line.	7 years ago
foreign	Correct constness of a few variables.	7 years ago
jit	Fixup for b84a6dafbf triggering assert failure in LLVM debug builds.	7 years ago
lib	Rename rbtree.c functions to use "rbt" prefix not "rb" prefix.	7 years ago
libpq	Server-side fix for delayed NOTIFY and SIGTERM processing.	7 years ago
main	Update copyright for 2018	8 years ago
nodes	Revise attribute handling code on partition creation	7 years ago
optimizer	Postpone calculating total_table_pages until after pruning/exclusion.	7 years ago
parser	Revise attribute handling code on partition creation	7 years ago
partitioning	Fix incorrect routine name reference in partprune.c	7 years ago
po	Translation updates	8 years ago
port	Fix spelling errors and typos in comments	7 years ago
postmaster	Add pg_promote function	7 years ago
regex	Clean up warnings from -Wimplicit-fallthrough.	8 years ago
replication	Fix copy-paste error in errhint() introduced in 691d79a079.	7 years ago
rewrite	Change rewriter/planner/executor/plancache to depend on RTE rellockmode.	7 years ago
snowball	Sync our Snowball stemmer dictionaries with current upstream.	7 years ago
statistics	Fix typos.	7 years ago
storage	Remove set-but-unused variable.	7 years ago
tcop	Server-side fix for delayed NOTIFY and SIGTERM processing.	7 years ago
tsearch	Make ts_locale.c's character-type functions cope with UTF-16.	7 years ago
utils	Disallow setting client_min_messages higher than ERROR.	7 years ago
.gitignore	…
Makefile	Refactor dlopen() support	7 years ago
common.mk	Remove PARTIAL_LINKING build mode.	8 years ago
nls.mk	Translation updates	8 years ago