[
https://issues.apache.org/jira/browse/CASSANDRA-10857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Alex Petrov updated CASSANDRA-10857:
------------------------------------
Comment: was deleted
(was: Github user ptnapoleon commented on a diff in the pull request:
https://github.com/apache/cassandra-dtest/pull/9#discussion_r149296242
--- Diff: cql_tests.py ---
@@ -698,6 +719,54 @@ def many_columns_test(self):
",".join(map(lambda i: "c_{}".format(i), range(width)))
+
" FROM very_wide_table", [[i for i in range(width)]])
+ @since("3.11", max_version="3.X")
+ def drop_compact_storage_flag_test(self):
+ """
+ Test for CASSANDRA-10857, verifying the schema change
+ distribution across the other nodes.
+
+ """
+
+ cluster = self.cluster
+
+ cluster.populate(3).start()
+ node1 = cluster.nodelist()[0]
+ node2 = cluster.nodelist()[1]
+ node3 = cluster.nodelist()[2]
+ time.sleep(0.2)
+
+ session1 = self.patient_cql_connection(node1)
+ session2 = self.patient_cql_connection(node2)
+ session3 = self.patient_cql_connection(node3)
+ self.create_ks(session1, 'ks', 3)
+ sessions = [session1, session2, session3]
+
+ for session in sessions:
+ session.set_keyspace('ks')
+
+ session1.execute("""
+ CREATE TABLE test_drop_compact_storage (k int PRIMARY KEY, s1
int) WITH COMPACT STORAGE;
+ """)
+ time.sleep(1)
--- End diff --
No need for this sleep.
)
> Allow dropping COMPACT STORAGE flag from tables in 3.X
> ------------------------------------------------------
>
> Key: CASSANDRA-10857
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10857
> Project: Cassandra
> Issue Type: Improvement
> Components: CQL, Distributed Metadata
> Reporter: Aleksey Yeschenko
> Assignee: Alex Petrov
> Priority: Blocker
> Labels: client-impacting
> Fix For: 4.0, 3.0.x, 3.11.x
>
>
> Thrift allows users to define flexible mixed column families - where certain
> columns would have explicitly pre-defined names, potentially non-default
> validation types, and be indexed.
> Example:
> {code}
> create column family foo
> and default_validation_class = UTF8Type
> and column_metadata = [
> {column_name: bar, validation_class: Int32Type, index_type: KEYS},
> {column_name: baz, validation_class: UUIDType, index_type: KEYS}
> ];
> {code}
> Columns named {{bar}} and {{baz}} will be validated as {{Int32Type}} and
> {{UUIDType}}, respectively, and be indexed. Columns with any other name will
> be validated by {{UTF8Type}} and will not be indexed.
> With CASSANDRA-8099, {{bar}} and {{baz}} would be mapped to static columns
> internally. However, being {{WITH COMPACT STORAGE}}, the table will only
> expose {{bar}} and {{baz}} columns. Accessing any dynamic columns (any column
> not named {{bar}} and {{baz}}) right now requires going through Thrift.
> This is blocking Thrift -> CQL migration for users who have mixed
> dynamic/static column families. That said, it *shouldn't* be hard to allow
> users to drop the {{compact}} flag to expose the table as it is internally
> now, and be able to access all columns.
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