[jira] [Created] (HIVE-3925) dependencies of fetch task are not shown by explain

["Namit Jain (JIRA)" <ji...@apache.org>]

Namit Jain created HIVE-3925:
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             Summary: dependencies of fetch task are not shown by explain
                 Key: HIVE-3925
                 URL: https://issues.apache.org/jira/browse/HIVE-3925
             Project: Hive
          Issue Type: Bug
          Components: Query Processor
            Reporter: Namit Jain


A simple query like:

hive> explain select * from src order by key;
OK
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_ORDERBY (TOK_TABSORTCOLNAMEASC (TOK_TABLE_OR_COL key)))))

STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-0 is a root stage


  Stage: Stage-0
    Fetch Operator
      limit: -1


Stage-0 is not a root stage and depends on stage-1.

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