chenyuzhi created CALCITE-4573:
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Summary: Query for array-type cloumn thows NullPointExcpeiton
Key: CALCITE-4573
URL: https://issues.apache.org/jira/browse/CALCITE-4573
Project: Calcite
Issue Type: Bug
Components: avatica
Affects Versions: avatica-1.17.0
Reporter: chenyuzhi
When queying array-type column , it throws `NullPointException`
```
2021-04-09 22:56:03.152 - Can't read column 'age_array'
valuejava.lang.NullPointerException at
org.apache.calcite.avatica.AvaticaResultSet.close(AvaticaResultSet.java:156) at
org.jkiss.dbeaver.model.impl.jdbc.data.JDBCCollection.makeCollectionFromResultSet(JDBCCollection.java:339)
at
org.jkiss.dbeaver.model.impl.jdbc.data.JDBCCollection.makeCollectionFromArray(JDBCCollection.java:222)
at
org.jkiss.dbeaver.model.impl.jdbc.data.handlers.JDBCArrayValueHandler.getValueFromObject(JDBCArrayValueHandler.java:62)
at
org.jkiss.dbeaver.model.impl.jdbc.data.handlers.JDBCArrayValueHandler.getValueFromObject(JDBCArrayValueHandler.java:1)
at
org.jkiss.dbeaver.model.impl.jdbc.data.handlers.JDBCComplexValueHandler.fetchColumnValue(JDBCComplexValueHandler.java:50)
at
org.jkiss.dbeaver.model.impl.jdbc.data.handlers.JDBCAbstractValueHandler.fetchValueObject(JDBCAbstractValueHandler.java:49)
at
org.jkiss.dbeaver.ui.controls.resultset.ResultSetDataReceiver.fetchRow(ResultSetDataReceiver.java:122)
at
org.jkiss.dbeaver.ui.editors.sql.execute.SQLQueryJob.fetchQueryData(SQLQueryJob.java:755)
at
org.jkiss.dbeaver.ui.editors.sql.execute.SQLQueryJob.executeStatement(SQLQueryJob.java:484)
at
org.jkiss.dbeaver.ui.editors.sql.execute.SQLQueryJob.lambda$0(SQLQueryJob.java:407)
at
org.jkiss.dbeaver.model.exec.DBExecUtils.tryExecuteRecover(DBExecUtils.java:146)
at
org.jkiss.dbeaver.ui.editors.sql.execute.SQLQueryJob.executeSingleQuery(SQLQueryJob.java:405)
at
org.jkiss.dbeaver.ui.editors.sql.execute.SQLQueryJob.extractData(SQLQueryJob.java:849)
at
org.jkiss.dbeaver.ui.editors.sql.SQLEditor$QueryResultsContainer.readData(SQLEditor.java:2778)
at
org.jkiss.dbeaver.ui.controls.resultset.ResultSetJobDataRead.lambda$0(ResultSetJobDataRead.java:98)
at
org.jkiss.dbeaver.model.exec.DBExecUtils.tryExecuteRecover(DBExecUtils.java:146)
at
org.jkiss.dbeaver.ui.controls.resultset.ResultSetJobDataRead.run(ResultSetJobDataRead.java:96)
at org.jkiss.dbeaver.model.runtime.AbstractJob.run(AbstractJob.java:102) at
org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
```
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