"
Indexed select statement consists of two queries - the view query
used to extract base keys and the base query that uses those keys
to return base rows.
The main idea of this series is to replace raw proxy.query() call
during the view query to one that uses a pager.
Additionally, paging info from the view query needs to be returned
to the client, in order to be used later for requesting new pages.
"
* 'paging_indexes_7' of https://github.com/psarna/scylla:
tests: add test for secondary index with paging
cql3: remove execute(primary_keys) from select statement
cql3: add incremental base queries to index query
storage_proxy: make get_restricted_ranges public
cql3: add base query handling function to indexed statement
cql3: add generating base key from index keys
cql3: add paging state generation function
cql3: move getting index view schema to prepare stage
pager: make state() defined for exhausted pagers
cql3: add maybe_set_paging_state function
cql3: rename set_has_more_pages to set_paging_state
pager: add setters for partition/clustering keys
cql3: add paging to read_posting_list
cql3: add non-const get_result_metadata method
cql3: make find_index_* functions return paging state
cql3: make read_posting_list return future<rows>
cql3: make pagers use time_point instead of duration
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