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From laurentgo <...@git.apache.org>
Subject [GitHub] drill issue #858: DRILL-3640: Support JDBC Statement.setQueryTimeout(int)
Date Fri, 30 Jun 2017 18:16:08 GMT
Github user laurentgo commented on the issue:

    you should look at:
    - https://github.com/kkhatua/drill/blob/c51473859d1dd81cf70e857f729c3a8491b2834a/exec/jdbc/src/main/java/org/apache/drill/jdbc/impl/DrillCursor.java#L144
    - https://github.com/kkhatua/drill/blob/c51473859d1dd81cf70e857f729c3a8491b2834a/exec/jdbc/src/main/java/org/apache/drill/jdbc/impl/DrillCursor.java#L226
    - https://github.com/kkhatua/drill/blob/c51473859d1dd81cf70e857f729c3a8491b2834a/exec/jdbc/src/main/java/org/apache/drill/jdbc/impl/DrillCursor.java#L255
    I believe those are the places where blocking operations are done, most of them don't
have a timeout configured, but could be configured to have one (getNext is a bit special since
it's waking up every 50ms to manage throttling)
    - https://github.com/kkhatua/drill/blob/c51473859d1dd81cf70e857f729c3a8491b2834a/exec/jdbc/src/main/java/org/apache/drill/jdbc/impl/DrillCursor.java#L548

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