Marcus Eriksson created CASSANDRA-15899:
-------------------------------------------
Summary: Dropping a column can break queries until the schema is
fully propagated
Key: CASSANDRA-15899
URL: https://issues.apache.org/jira/browse/CASSANDRA-15899
Project: Cassandra
Issue Type: Bug
Reporter: Marcus Eriksson
Assignee: Marcus Eriksson
With a table like:
{code}
CREATE TABLE ks.tbl (id int primary key, v1 int, v2 int, v3 int)
{code}
and we drop {{v2}}, we get this exception on the replicas which haven't seen
the schema change:
{code}
ERROR [SharedPool-Worker-1] node2 2020-06-24 09:49:08,107
AbstractLocalAwareExecutorService.java:169 - Uncaught exception on thread
Thread[SharedPool-Worker-1,5,node2]
java.lang.IllegalStateException: [ColumnDefinition{name=v1,
type=org.apache.cassandra.db.marshal.Int32Type, kind=REGULAR, position=-1},
ColumnDefinition{name=v2, type=org.apache.cassandra.db.marshal.Int32Type,
kind=REGULAR, position=-1}, ColumnDefinition{name=v3,
type=org.apache.cassandra.db.marshal.Int32Type, kind=REGULAR, position=-1}] is
not a subset of [v1 v3]
at
org.apache.cassandra.db.Columns$Serializer.encodeBitmap(Columns.java:546)
~[main/:na]
at
org.apache.cassandra.db.Columns$Serializer.serializeSubset(Columns.java:478)
~[main/:na]
at
org.apache.cassandra.db.rows.UnfilteredSerializer.serialize(UnfilteredSerializer.java:184)
~[main/:na]
at
org.apache.cassandra.db.rows.UnfilteredSerializer.serialize(UnfilteredSerializer.java:114)
~[main/:na]
at
org.apache.cassandra.db.rows.UnfilteredSerializer.serialize(UnfilteredSerializer.java:102)
~[main/:na]
at
org.apache.cassandra.db.rows.UnfilteredRowIteratorSerializer.serialize(UnfilteredRowIteratorSerializer.java:132)
~[main/:na]
at
org.apache.cassandra.db.rows.UnfilteredRowIteratorSerializer.serialize(UnfilteredRowIteratorSerializer.java:87)
~[main/:na]
...
{code}
Note that it doesn't matter if we {{SELECT *}} or {{SELECT id, v1}}
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