metadata.keyValidator(UTF8Type.instance);
metadata.addOrReplaceColumnDefinition(ColumnDefinition.partitionKeyDef(metadata,
UTF8Type.instance.fromString("pkey"),
UTF8Type.instance,
null));
metadata.addOrReplaceColumnDefinition(ColumnDefinition.regularDef(metadata,
UTF8Type.instance.fromString("c1"),
UTF8Type.instance,
0));
metadata.addOrReplaceColumnDefinition(ColumnDefinition.regularDef(metadata,
UTF8Type.instance.fromString("c2"),