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https://issues.apache.org/jira/browse/HIVE-3619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13736432#comment-13736432
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Yury Yudin commented on HIVE-3619:
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According to java.sql.Statement docs getUpdateCount retrieves the current
result as an update count if there are multiple results returned from the
query, or returns -1 if there is only one or no more results available. Current
implementation of getUpdateCount in HiveStatement always returns 0, which may
cause a failure of respective software expecting it to return -1 in most cases,
as more often there is just one resultset available. It seems full
implementation of getUpdateCount will also require at least getMoreResults and
overall support of multiple resultsets per query.
> Hive JDBC driver should return a proper update-count of rows affected by query
> ------------------------------------------------------------------------------
>
> Key: HIVE-3619
> URL: https://issues.apache.org/jira/browse/HIVE-3619
> Project: Hive
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 0.9.0
> Reporter: Harsh J
> Priority: Minor
>
> HiveStatement.java currently has an explicit 0 return:
> public int getUpdateCount() throws SQLException { return 0; }
> Ideally we ought to emit the exact number of rows affected by the query
> statement itself.
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