pgsql: Preserve replica identity index across ALTER TABLE rewrite

Started by Peter Eisentrautover 6 years ago1 messagescomitters

peter_e@gmx.net

over 6 years ago

Preserve replica identity index across ALTER TABLE rewrite

If an index was explicitly set as replica identity index, this setting
was lost when a table was rewritten by ALTER TABLE. Because this
setting is part of pg_index but actually controlled by ALTER
TABLE (not part of CREATE INDEX, say), we have to do some extra work
to restore it.

Based-on-patch-by: Quan Zongliang <quanzongliang@gmail.com>
Reviewed-by: Euler Taveira <euler.taveira@2ndquadrant.com>
Discussion: /messages/by-id/c70fcab2-4866-0d9f-1d01-e75e189db342@gmail.com

Branch
------
REL_12_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/c9ef507e82ebb2bffc50e531edd6fb4593dd5146

Modified Files
--------------
src/backend/commands/tablecmds.c | 42 +++++++++++++++++++++++
src/backend/utils/cache/lsyscache.c | 23 +++++++++++++
src/include/utils/lsyscache.h | 1 +
src/test/regress/expected/replica_identity.out | 46 ++++++++++++++++++++++++++
src/test/regress/sql/replica_identity.sql | 21 ++++++++++++
5 files changed, 133 insertions(+)