twdsilva commented on a change in pull request #607: PHOENIX-5103: Can't
create/drop table using 4.14 client against 4.15 server (Addendum)
URL: https://github.com/apache/phoenix/pull/607#discussion_r338922951
##########
File path:
phoenix-core/src/main/java/org/apache/phoenix/coprocessor/MetaDataEndpointImpl.java
##########
@@ -2355,9 +2362,16 @@ private MetaDataMutationResult doDropTable(byte[] key,
byte[] tenantId, byte[] s
EnvironmentEdgeManager.currentTimeMillis(), null);
}
try {
- PhoenixConnection conn =
QueryUtil.getConnectionOnServer(env.getConfiguration()).unwrap(PhoenixConnection.class);
- Task.addTask(conn,
PTable.TaskType.DROP_CHILD_VIEWS, Bytes.toString(tenantId),
- Bytes.toString(schemaName),
Bytes.toString(tableName), this.accessCheckEnabled);
+ if (clientVersion >=
MIN_SPLITTABLE_SYSTEM_CATALOG) {
+ PhoenixConnection conn =
+
QueryUtil.getConnectionOnServer(env.getConfiguration())
+
.unwrap(PhoenixConnection.class);
+ Task.addTask(conn,
PTable.TaskType.DROP_CHILD_VIEWS,
+ Bytes.toString(tenantId),
Bytes.toString(schemaName),
+ Bytes.toString(tableName),
this.accessCheckEnabled);
+ }
+ // else: the client version is old, so we cannot
add a task to cleanup
Review comment:
If the client is older than 4.15 we should just throw an exception if they
try to drop a base table that has child views.
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