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https://issues.apache.org/jira/browse/DRILL-3566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14730068#comment-14730068
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ASF GitHub Bot commented on DRILL-3566:
---------------------------------------
Github user dsbos commented on a diff in the pull request:
https://github.com/apache/drill/pull/143#discussion_r38710714
--- Diff:
exec/jdbc/src/main/java/org/apache/drill/jdbc/impl/DrillResultSetImpl.java ---
@@ -87,12 +88,12 @@
boolean hasPendingCancelationNotification;
- DrillResultSetImpl(DrillStatementImpl statement, AvaticaPrepareResult
prepareResult,
+ DrillResultSetImpl(AvaticaStatement statement, AvaticaPrepareResult
prepareResult,
ResultSetMetaData resultSetMetaData, TimeZone
timeZone) {
super(statement, prepareResult, resultSetMetaData, timeZone);
- this.statement = statement;
+ connection = (DrillConnectionImpl) statement.getConnection();
final int batchQueueThrottlingThreshold =
- this.getStatement().getConnection().getClient().getConfig().getInt(
+ connection.getClient().getConfig().getInt(
--- End diff --
Yeah, I don't know why the code was like that.
Reworked a bit to eliminate redundant calls and code.
> Calling Connection.prepareStatement throws a ClassCastException
> ---------------------------------------------------------------
>
> Key: DRILL-3566
> URL: https://issues.apache.org/jira/browse/DRILL-3566
> Project: Apache Drill
> Issue Type: Bug
> Components: Client - JDBC
> Reporter: Rahul Challapalli
> Assignee: Daniel Barclay (Drill)
> Priority: Blocker
> Fix For: 1.2.0
>
>
> Git Commit # : 65935db8d01b95a7a3107835d7cd5e61220e2f84
> I am hitting the below exception when using Connection.prepareStatement
> without binding any parameters
> {code}
> PreparedStatement stmt = con.prepareStatement(DRILL_SAMPLE_QUERY);
> Exception in thread "main" java.lang.ClassCastException:
> org.apache.drill.jdbc.impl.DrillJdbc41Factory$DrillJdbc41PreparedStatement
> cannot be cast to org.apache.drill.jdbc.impl.DrillStatementImpl
> at
> org.apache.drill.jdbc.impl.DrillJdbc41Factory.newResultSet(DrillJdbc41Factory.java:106)
> at
> org.apache.drill.jdbc.impl.DrillJdbc41Factory.newResultSet(DrillJdbc41Factory.java:1)
> at
> net.hydromatic.avatica.AvaticaConnection.executeQueryInternal(AvaticaConnection.java:397)
> at
> net.hydromatic.avatica.AvaticaPreparedStatement.executeQuery(AvaticaPreparedStatement.java:77)
> at com.incorta.trails.DrillTest.query(DrillTest.java:33)
> at com.incorta.trails.DrillTest.main(DrillTest.java:12)
> {code}
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