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Presto Connector can't extract Array : org.jkiss.dbeaver.model.exec.DBCException: Can't extract array data from JDBC array

See original GitHub issue

System information:

Operating system (distribution) and version macOS high sierra
DBeaver version 6.0.5.201905192012
Java version 1.8.0_162
Additional extensions

Connection specification:

Database name and version presto 0.219
Driver name PrestoDB
Do you use tunnels or proxies (SSH, SOCKS, etc)? no

Describe the problem you’re observing:

SQL:

select split('apache presto','e') as string_split;

ERROR:

org.jkiss.dbeaver.model.exec.DBCException: Can't extract array data from JDBC array
	at org.jkiss.dbeaver.model.impl.jdbc.data.JDBCCollection.makeCollectionFromArray(JDBCCollection.java:240)
	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:2727)
	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)
Caused by: org.jkiss.dbeaver.model.exec.DBCException: SQL error: getResultSet not supported
	at org.jkiss.dbeaver.model.impl.jdbc.data.JDBCCollection.makeCollectionFromArray(JDBCCollection.java:224)
	... 17 more
Caused by: java.sql.SQLFeatureNotSupportedException: getResultSet not supported
	at com.facebook.presto.jdbc.PrestoArray.getResultSet(PrestoArray.java:89)
	at org.jkiss.dbeaver.model.impl.jdbc.data.JDBCCollection.makeCollectionFromResultSet(JDBCCollection.java:313)
	at org.jkiss.dbeaver.model.impl.jdbc.data.JDBCCollection.makeCollectionFromArray(JDBCCollection.java:222)
	... 17 more

Steps to reproduce, if exist:

Include any warning/errors/backtraces from the logs

Issue Analytics

State:
Created 4 years ago
Reactions:1
Comments:6 (4 by maintainers)

Top GitHub Comments

1reaction

serge-ridercommented, Aug 7, 2019

@emhlbmc @elonlo @kdonavin thanks for details. I’ve reproduced this problem on AWS EMR Presto. The actul problem was in wrong JDBC array data type (it was in form “VARCHAR(13)” while it must be simply “VARCHAR”.

Anyway, I’ve added a workaround and now arrays are parsed correctly. Please check it, maybe it’ll fail some more complicated cases. Early Access version: https://dbeaver.io/files/ea

0reactions

uslsscommented, Aug 11, 2019

verified

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