How can I delete 20% of total rows in cassandra using cqlsh -


i trying delete multiple rows in cassandra cqlsh, query not work, ideas? 

delete profile key in (select key profile domain = 'personal');

cql not allow statements wrote above. need write script performs 1 query in paging manner , executes deletes needed.

basically process be

fetch bunch of rows profile perform filter delete rows passing filter fetch bunch of rows repeat

for recommend not using cqlsh , work more directly c* driver.


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