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be2ef862bd
This commit allows accepting a CQL request to clear ghost rows from a given view partition range. Currently its syntax is a purposely convoluted mix of existing keywords, which makes sure that the statement is never issued by mistake. Example runs: -- try deleting all ghost rows, effectively performs a paged full scan PRUNE MATERIALIZED VIEW my_mv; -- try deleting ghost rows from a single view partition PRUNE MATERIALIZED VIEW my_mv WHERE mv_pk = 3; -- try deleting ghost rows from a token range (effective full scans) PRUNE MATERIALIZED VIEW my_mv WHERE TOKEN(mv_pk) > 7 AND TOKEN(mv_pk) < 42