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https://issues.apache.org/jira/browse/DERBY-5765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-5765:
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Attachment: ClearWarnings.java
The attached program reproduces the bug by executing a statement that returns
two rows, with a warning on the first row.
With the client driver it (correctly) prints:
Warnings on row 1: java.sql.SQLWarning: Null values were eliminated from the
argument of a column function.
Warnings on row 2: null
With the embedded driver the warning chain isn't cleared before row 2 is read,
and it prints:
Warnings on row 1: java.sql.SQLWarning: Null values were eliminated from the
argument of a column function.
Warnings on row 2: java.sql.SQLWarning: Null values were eliminated from the
argument of a column function.
> Embedded doesn't clear warnings on ResultSet when moving to next row
> --------------------------------------------------------------------
>
> Key: DERBY-5765
> URL: https://issues.apache.org/jira/browse/DERBY-5765
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.8.2.2
> Reporter: Knut Anders Hatlen
> Attachments: ClearWarnings.java
>
>
> The javadoc for java.sql.ResultSet.getWarnings() says that the warning chain
> should be cleared automatically when a new row is read. The client driver
> does that, but the embedded driver does not.
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