vlsi commented on a change in pull request #1754: [CALCITE-3730] Add hints to
RelBuilder
URL: https://github.com/apache/calcite/pull/1754#discussion_r366179960
##########
File path:
cassandra/src/main/java/org/apache/calcite/adapter/cassandra/CassandraSchema.java
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@@ -140,7 +140,7 @@ public CassandraSchema(String host, int port, String
keyspace, String username,
this.parentSchema = parentSchema;
this.name = name;
- this.hook = Hook.TRIMMED.add(node -> {
+ this.hook = Hook.TRIMMED.addThread(node -> {
CassandraSchema.this.addMaterializedViews();
});
Review comment:
I guess @michaelmior could clarify better.
I've no idea what this does and I have very little understanding of how
Calcite adapter works.
What I know is `Hook#add` adds a static (cross-thread) hook, which typically
interferes when concurrent execution is used (e.g. when tests are executed
concurrently).
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