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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2016/07/01 08:55:10 UTC
[jira] [Resolved] (SPARK-16222) JDBC Sources: Handling illegal
input values for `fetchsize` and `batchsize`
[ https://issues.apache.org/jira/browse/SPARK-16222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen resolved SPARK-16222.
-------------------------------
Resolution: Fixed
Fix Version/s: 2.0.1
Issue resolved by pull request 13919
[https://github.com/apache/spark/pull/13919]
> JDBC Sources: Handling illegal input values for `fetchsize` and `batchsize`
> ---------------------------------------------------------------------------
>
> Key: SPARK-16222
> URL: https://issues.apache.org/jira/browse/SPARK-16222
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Xiao Li
> Fix For: 2.0.1
>
>
> For JDBC data sources, users can specify `batchsize` for multi-row inserts and `fetchsize` for multi-row fetch. A few issues exist:
> - The property keys are case sensitive. Thus, the existing test cases for `fetchsize` use incorrect names. Basically, the test cases are broken.
> - No test cases exist for `batchsize`.
> - We do not detect the illegal input values for `fetchsize` and `batchsize`.
> For example, when `batchsize` is zero, we got the following exception:
> {noformat}
> Job aborted due to stage failure: Task 0 in stage 0.0 failed 1 times, most recent failure: Lost task 0.0 in stage 0.0 (TID 0, localhost): java.lang.ArithmeticException: / by zero
> {noformat}
> when `fetchsize` is less than zero, we got the exception from the underlying JDBC driver:
> {noformat}
> Job aborted due to stage failure: Task 0 in stage 0.0 failed 1 times, most recent failure: Lost task 0.0 in stage 0.0 (TID 0, localhost): org.h2.jdbc.JdbcSQLException: Invalid value "-1" for parameter "rows" [90008-183]
> {noformat}
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