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8181e28731
In commit 88a5ddabce, we fixed materialized
view creation to support tablets. We added to the function called to
create materialized views in CQL, prepare_new_view_announcement()
a missing call to the on_before_create_column_family() notifier that
creates tablets for this new view.
Unfortunately, We have the same problem when creating a secondary index,
because it does not use prepare_new_view_announcement(), and instead uses
a generic function to "update" the base table, which in some cases ends
up creating new views when a new index is requested. In this path, the
notifier did not get called to the notifier, so we must add it here too.
Unfortunately, the notifiers must run in a Seastar thread, which means
that yet another function now needs to run in a Seastar thread.
Before this patch, creating a secondary index in a table using tablets
fails with "Tablet map not found for table <uuid>". With this patch,
it works.
The patch also includes tests for creating a regular and local secondary
index. Both tests fail (with the aforementioned error) before this
patch, and pass with it.
Fixes #16396
Signed-off-by: Nadav Har'El <nyh@scylladb.com>