Joseph Lynch created CASSANDRA-14822:
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Summary: Cassandra 4.0 doesn't output describe table
representations that are valid
Key: CASSANDRA-14822
URL: https://issues.apache.org/jira/browse/CASSANDRA-14822
Project: Cassandra
Issue Type: Bug
Reporter: Joseph Lynch
Looks like right now on 4.0 the {{DESCRIBE}} output of a table is no longer
valid since {{dclocal_read_repair_chance}} was removed:
{noformat}
cqlsh> CREATE KEYSPACE test WITH replication = {'class': 'SimpleStrategy',
'replication_factor': 1};
cqlsh> CREATE TABLE test.test (key text, value text, PRIMARY KEY(key));
cqlsh> DESCRIBE TABLE test.test
CREATE TABLE test.test (
key text PRIMARY KEY,
value 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.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 dclocal_read_repair_chance = 0.0
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 read_repair_chance = 0.0
AND speculative_retry = '99p';
{noformat}
If you then try to copy and past that output it fails:
{noformat}
cqlsh> CREATE TABLE test.test2 (
... key text PRIMARY KEY,
... value 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.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 dclocal_read_repair_chance = 0.0
... 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 read_repair_chance = 0.0
... AND speculative_retry = '99p';
SyntaxException: Unknown property 'dclocal_read_repair_chance'
{noformat}
Currently we leave in {{dclocal_read_repair_chance}} and {{read_repair_chance}}
for the drivers per the comments left during CASSANDRA-13910.
I think we can just ignore those parameters in the validation/creation.
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