clintropolis commented on code in PR #19830:
URL: https://github.com/apache/druid/pull/19830#discussion_r3936903947
##########
sql/src/main/java/org/apache/druid/sql/calcite/planner/DruidPlanner.java:
##########
@@ -147,6 +152,16 @@ private SqlStatementHandler createHandler(final SqlNode
node)
}
SqlStatementHandler.HandlerContext handlerContext = new
HandlerContextImpl();
+
+ if (query instanceof DruidSqlCreateTable || query instanceof
DruidSqlAlterTable) {
+ // The grammar does not admit EXPLAIN of a DDL statement; this guards
the case anyway, since a DDL statement
+ // has no query to explain.
+ if (explain != null) {
+ throw InvalidSqlInput.exception("EXPLAIN is not supported for [%s]",
query.getKind());
+ }
+ return createDdlHandler(handlerContext, query);
Review Comment:
done, though didn't refactor `CAN_DML`, can do that in a follow-up
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