jcamachor commented on a change in pull request #866: HIVE-22536 Improve return
path enabling/disabling
URL: https://github.com/apache/hive/pull/866#discussion_r357499269
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File path: common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
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@@ -1663,7 +1663,8 @@ private static void
populateLlapDaemonVarsSet(Set<String> llapDaemonVarsSetLocal
HIVE_CBO_CNF_NODES_LIMIT("hive.cbo.cnf.maxnodes", -1, "When converting to
conjunctive normal form (CNF), fail if" +
"the expression exceeds this threshold; the threshold is expressed in
terms of number of nodes (leaves and" +
"interior nodes). -1 to not set up a threshold."),
- HIVE_CBO_RETPATH_HIVEOP("hive.cbo.returnpath.hiveop", false, "Flag to
control calcite plan to hive operator conversion"),
+ HIVE_CBO_RETPATH_HIVEOP("hive.cbo.returnpath.hiveop", "supported",
Review comment:
You can provide a `StringSet` validator as parameter for the allowed values,
e.g., check `HIVEFETCHTASKCONVERSION` below.
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