The Datastax documentation is wrong. It won't error, and it shouldn't. If you want to fix that documentation I suggest contacting Datastax.
On 11 July 2018 at 19:56, Nitan Kainth <nitankai...@gmail.com> wrote: > Hi DuyHai, > > Could you please explain in what case C* will error based on documented > statement: > > You can set a default TTL for an entire table by setting the table's > default_time_to_live > <https://docs.datastax.com/en/cql/3.3/cql/cql_reference/cqlCreateTable.html#tabProp__cqlTableDefaultTTL> > property. If you try to set a TTL for a specific column that is longer > than the time defined by the table TTL, Cassandra returns an error. > > > > On Wed, Jul 11, 2018 at 2:34 PM, DuyHai Doan <doanduy...@gmail.com> wrote: > >> default_time_to_live >> <https://docs.datastax.com/en/cql/3.3/cql/cql_reference/cqlCreateTable.html#tabProp__cqlTableDefaultTTL> >> property applies if you don't specify any TTL on your CQL statement >> >> However you can always override the default_time_to_live >> <https://docs.datastax.com/en/cql/3.3/cql/cql_reference/cqlCreateTable.html#tabProp__cqlTableDefaultTTL> >> property by specifying a custom value for each CQL statement >> >> The behavior is correct, nothing wrong here >> >> On Wed, Jul 11, 2018 at 7:31 PM, Nitan Kainth <nitankai...@gmail.com> >> wrote: >> >>> Hi, >>> >>> As per document: https://docs.datastax.com/en/cql/3.3/cql/cql_using >>> /useExpireExample.html >>> >>> >>> - >>> >>> You can set a default TTL for an entire table by setting the table's >>> default_time_to_live >>> >>> <https://docs.datastax.com/en/cql/3.3/cql/cql_reference/cqlCreateTable.html#tabProp__cqlTableDefaultTTL> >>> property. If you try to set a TTL for a specific column that is >>> longer than the time defined by the table TTL, Cassandra returns an >>> error. >>> >>> >>> When I tried to test this statement, i found, we can insert data with >>> TTL greater than default_time_to_live. Is the document needs correction, or >>> am I mis-understanding it? >>> >>> CREATE TABLE test ( >>> >>> name text PRIMARY KEY, >>> >>> description text >>> >>> ) WITH bloom_filter_fp_chance = 0.01 >>> >>> AND caching = {'keys': 'ALL', 'rows_per_partition': 'NONE'} >>> >>> AND comment = '' >>> >>> AND compaction = {'class': 'org.apache.cassandra.db.compa >>> ction.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 dclocal_read_repair_chance = 0.1 >>> >>> AND default_time_to_live = 240 >>> >>> AND gc_grace_seconds = 864000 >>> >>> AND max_index_interval = 2048 >>> >>> AND memtable_flush_period_in_ms = 0 >>> >>> AND min_index_interval = 128 >>> >>> AND read_repair_chance = 0.0 >>> >>> AND speculative_retry = '99PERCENTILE'; >>> >>> insert into test (name, description) values ('name5', 'name >>> description5') using ttl 360; >>> >>> select * from test ; >>> >>> >>> name | description >>> >>> -------+------------------- >>> >>> name5 | name description5 >>> >>> >>> SELECT TTL (description) from test; >>> >>> >>> ttl(description) >>> >>> ------------------ >>> >>> 351 >>> >>> Can someone please clear this for me? >>> >>> >>> >>> >>> >>> >> >
