Check SAI existence

DESCRIBE INDEX cycling.rank_idx;

CREATE CUSTOM INDEX rank_idx ON cycling.rank_by_year_and_name (rank) USING 'StorageAttachedIndex';

DESCRIBE TABLE cycling.rank_by_year_and_name;

CREATE TABLE cycling.rank_by_year_and_name (
    race_year int,
    race_name text,
    rank int,
    cyclist_name text,
    PRIMARY KEY ((race_year, race_name), rank)
) WITH CLUSTERING ORDER BY (rank ASC)
    AND additional_write_policy = '99PERCENTILE'
    AND bloom_filter_fp_chance = 0.01
    AND caching = {'keys': 'ALL', 'rows_per_partition': 'NONE'}
    AND comment = ''
    AND compaction = {'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32', 'min_threshold': '4'}
    AND compression = {'chunk_length_in_kb': '64', 'class': 'org.apache.cassandra.io.compress.LZ4Compressor'}
    AND crc_check_chance = 1.0
    AND default_time_to_live = 0
    AND gc_grace_seconds = 864000
    AND max_index_interval = 2048
    AND memtable_flush_period_in_ms = 0
    AND min_index_interval = 128
    AND nodesync = {'enabled': 'true', 'incremental': 'true'}
    AND read_repair = 'BLOCKING'
    AND speculative_retry = '99PERCENTILE';
CREATE CUSTOM INDEX rank_idx ON cycling.rank_by_year_and_name (rank) USING 'StorageAttachedIndex';