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Type: Bug
Resolution: Done
Priority: Blocker
Fix Version/s: 9.0.6, 9.1.2, 9.2, 8.12.11.6_4
Affects Version/s: 8.12.5
Component/s: Query Engine
Labels:
None

Git Pull Request:
https://github.com/teiid/teiid/pull/936

If first tuple of multi-value insert contains NULL value (regular statement, not prepared statement), Teiid is not able to resolve types properly.
Example 1:
IntKey - primary key, type integer
IntNum - regular column, type integer

INSERT INTO tablea (IntKey, IntNum) VALUES (1, null), (2, 2);

This query ends with ClassCastException:

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14:24:39,133 ERROR [org.teiid.CONNECTOR] (Worker8_QueryProcessorQueue105) Connector worker process failed for atomic-request=8V7FTKxvQ5zY.14.0.34: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Float
	at org.teiid.translator.jdbc.JDBCExecutionFactory.bindValue(JDBCExecutionFactory.java:957) [translator-jdbc-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.translator.jdbc.sybase.BaseSybaseExecutionFactory.bindValue(BaseSybaseExecutionFactory.java:147) [translator-jdbc-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.translator.jdbc.JDBCBaseExecution.bind(JDBCBaseExecution.java:107) [translator-jdbc-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.translator.jdbc.JDBCUpdateExecution.executeTranslatedCommand(JDBCUpdateExecution.java:243) [translator-jdbc-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.translator.jdbc.JDBCUpdateExecution.execute(JDBCUpdateExecution.java:84) [translator-jdbc-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.dqp.internal.datamgr.ConnectorWorkItem$1.execute(ConnectorWorkItem.java:402)
	at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:364)
	at sun.reflect.GeneratedMethodAccessor137.invoke(Unknown Source) [:1.8.0-internal]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0-internal]
	at java.lang.reflect.Method.invoke(Method.java:483) [rt.jar:1.8.0-internal]
	at org.teiid.dqp.internal.datamgr.ConnectorManager$1.invoke(ConnectorManager.java:211)
	at com.sun.proxy.$Proxy48.execute(Unknown Source)
	at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:306)
	at org.teiid.dqp.internal.process.DataTierTupleSource.nextTuple(DataTierTupleSource.java:142)
	at org.teiid.query.processor.relational.ProjectIntoNode.checkExitConditions(ProjectIntoNode.java:257)
	at org.teiid.query.processor.relational.ProjectIntoNode.nextBatchDirect(ProjectIntoNode.java:228)
	at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:282)
	at org.teiid.query.processor.relational.RelationalPlan.nextBatch(RelationalPlan.java:145)
	at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:151)
	at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:114)
	at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:164)
	at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:146)
	at org.teiid.dqp.internal.process.RequestWorkItem.processMore(RequestWorkItem.java:472)
	at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:348)
	at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51)
	at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:274)
	at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:276)
	at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119)
	at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0-internal]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0-internal]
	at java.lang.Thread.run(Thread.java:744) [rt.jar:1.8.0-internal]

14:24:39,136 ERROR [org.teiid.PROCESSOR] (Worker8_QueryProcessorQueue105) TEIID30019 Unexpected exception for request 8V7FTKxvQ5zY.14: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Float
	at org.teiid.translator.jdbc.JDBCExecutionFactory.bindValue(JDBCExecutionFactory.java:957)
	at org.teiid.translator.jdbc.sybase.BaseSybaseExecutionFactory.bindValue(BaseSybaseExecutionFactory.java:147)
	at org.teiid.translator.jdbc.JDBCBaseExecution.bind(JDBCBaseExecution.java:107)
	at org.teiid.translator.jdbc.JDBCUpdateExecution.executeTranslatedCommand(JDBCUpdateExecution.java:243)
	at org.teiid.translator.jdbc.JDBCUpdateExecution.execute(JDBCUpdateExecution.java:84)
	at org.teiid.dqp.internal.datamgr.ConnectorWorkItem$1.execute(ConnectorWorkItem.java:402) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:364) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at sun.reflect.GeneratedMethodAccessor137.invoke(Unknown Source) [:1.8.0-internal]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0-internal]
	at java.lang.reflect.Method.invoke(Method.java:483) [rt.jar:1.8.0-internal]
	at org.teiid.dqp.internal.datamgr.ConnectorManager$1.invoke(ConnectorManager.java:211) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at com.sun.proxy.$Proxy48.execute(Unknown Source)
	at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:306) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.dqp.internal.process.DataTierTupleSource.nextTuple(DataTierTupleSource.java:142) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.query.processor.relational.ProjectIntoNode.checkExitConditions(ProjectIntoNode.java:257) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.query.processor.relational.ProjectIntoNode.nextBatchDirect(ProjectIntoNode.java:228) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:282) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.query.processor.relational.RelationalPlan.nextBatch(RelationalPlan.java:145) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:151) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:114) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:164) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:146) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.dqp.internal.process.RequestWorkItem.processMore(RequestWorkItem.java:472) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:348) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:274) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:276) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210) [teiid-engine-8.12.5.redhat-8.jar:8.12.5.redhat-8]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0-internal]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0-internal]
	at java.lang.Thread.run(Thread.java:744) [rt.jar:1.8.0-internal]

If I switch tuples, no exception occurs and insert finishes successfully.

INSERT INTO tablea (IntKey, IntNum) VALUES (2, 2), (1, null);

Example 2
IntKey - primary key, type integer
CharValue - regular column, type char

INSERT INTO tablea (IntKey, CharValue) VALUES (1, null), (2, convert('+', char));

This query ends with TEIID30328 Unable to evaluate convert(X.expr2, short):...

14:41:35,053 WARN  [org.teiid.PROCESSOR] (Worker14_QueryProcessorQueue136) TEIID30020 Processing exception for request 8V7FTKxvQ5zY.30 'TEIID30328 Unable to evaluate convert(X.expr2, short): TEIID30384 Error while evaluating function convert'. Originally ExpressionEvaluationException 'TEIID10076 Invalid conversion from type class java.lang.Character with value '+' to type class java.lang.Short' DataTypeManager.java:940. Enable more detailed logging to see the entire stacktrace.

Again, switching tuples resolves the issue.

INSERT INTO tablea (IntKey, CharValue) VALUES (2, convert('+', char)), (1, null);

This occurs only in case of view with defined trigger instead of insert. Here is my VDB for MSSQL, but I can see same behavior for MySql and PostgreSQL

<metadata type="DDL">
    CREATE FOREIGN TABLE SmallA (IntKey integer PRIMARY KEY,
        StringKey string,
        IntNum integer,
        StringNum string,
        FloatNum float,
        LongNum bigint,
        DoubleNum double,
        ByteNum smallint,
        DateValue date,
        TimeValue time,
        TimestampValue timestamp,
        BooleanValue boolean,
        CharValue char(1),
        ShortValue smallint,
        BigIntegerValue decimal,
        BigDecimalValue decimal,
        ObjectValue blob)
    OPTIONS (UPDATABLE 'TRUE');
</metadata>
...
<metadata type="DDL"><
CREATE VIEW SmallA (IntKey integer PRIMARY KEY,
    StringKey string,
    IntNum integer,
    StringNum string,
    FloatNum float,
    LongNum long,
    DoubleNum double,
    ByteNum byte,
    DateValue date,
    TimeValue time,
    TimestampValue timestamp,
    BooleanValue boolean,
    CharValue char,
    ShortValue short,
    BigIntegerValue biginteger,
    BigDecimalValue bigdecimal,
    ObjectValue object)
OPTIONS (UPDATABLE 'TRUE')
AS
SELECT IntKey, StringKey, IntNum,
    StringNum, FloatNum, LongNum, DoubleNum,
    convert(ByteNum, byte) AS ByteNum, DateValue, TimeValue, TimestampValue,
    BooleanValue, CharValue, ShortValue,
    convert(BigIntegerValue, biginteger) AS BigIntegerValue, BigDecimalValue,
    convert(ObjectValue, object) AS ObjectValue
FROM Source.SmallA;
CREATE TRIGGER ON SmallA INSTEAD OF INSERT AS FOR EACH ROW
BEGIN ATOMIC
    INSERT INTO Source.smalla (IntKey, StringKey, IntNum, StringNum, FloatNum, LongNum, DoubleNum, ByteNum, DateValue, TimeValue, TimestampValue, BooleanValue, CharValue, ShortValue, BigIntegerValue, BigDecimalValue, ObjectValue) VALUES
        (NEW.IntKey, NEW.StringKey, NEW.IntNum, NEW.StringNum, NEW.FloatNum, NEW.LongNum, NEW.DoubleNum, NEW.ByteNum, NEW.DateValue, NEW.TimeValue, NEW.TimestampValue,
        NEW.BooleanValue, NEW.CharValue, NEW.ShortValue, NEW.BigIntegerValue, NEW.BigDecimalValue, to_bytes(convert(NEW.ObjectValue, string), 'UTF-8'));
END;
</metadata>

Assignee:: Steven Hawkins

Reporter:: Juraj Duráni (Inactive)

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Created:: 2016/11/29 8:54 AM

Updated:: 2020/09/14 5:20 AM

Resolved:: 2016/12/02 7:20 PM

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