Обсуждение: pgsql: Allow some exclusion constraints on partitions
Allow some exclusion constraints on partitions Previously we only allowed unique B-tree constraints on partitions (and only if the constraint included all the partition keys). But we could allow exclusion constraints with the same restriction. We also require that those columns be compared for equality, not something like &&. Author: Paul A. Jungwirth <pj@illuminatedcomputing.com> Reviewed-by: Ronan Dunklau <ronan.dunklau@aiven.io> Reviewed-by: Peter Eisentraut <peter@eisentraut.org> Discussion: https://www.postgresql.org/message-id/flat/ec8b1d9b-502e-d1f8-e909-1bf9dffe6fa5@illuminatedcomputing.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/8c852ba9a4347c4778cc610ad5a9cb50ea701b5c Modified Files -------------- contrib/btree_gist/Makefile | 2 +- contrib/btree_gist/expected/partitions.out | 82 ++++++++++++++++++++++++++++++ contrib/btree_gist/meson.build | 1 + contrib/btree_gist/sql/partitions.sql | 39 ++++++++++++++ doc/src/sgml/ddl.sgml | 12 +++-- src/backend/commands/indexcmds.c | 59 +++++++++++++-------- src/backend/parser/parse_utilcmd.c | 6 --- src/test/regress/expected/alter_table.out | 7 +-- src/test/regress/expected/create_table.out | 8 --- src/test/regress/expected/indexing.out | 73 ++++++++++++++++++++++---- src/test/regress/sql/alter_table.sql | 5 +- src/test/regress/sql/create_table.sql | 6 --- src/test/regress/sql/indexing.sql | 57 +++++++++++++++++++-- 13 files changed, 284 insertions(+), 73 deletions(-)