Details
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Bug
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Resolution: Done
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Major
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8.12.3
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None
Description
When accessing Accumulo instance using accumulo translator with table DDL defined in the model's metadata, there are problems filtering the output in from clause.
For example, when there is a comparison between a column of type long with literal value 3, an exception, whose cause is below, is thrown on accumulo's side:
SELECT * FROM accumulo.SmallA WHERE LongNum>3
Unable to find source-code formatter for language: plain. Available languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy, haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow, ruby, scala, sh, sql, swift, visualbasic, xml, yaml
Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Long at java.lang.Long.compareTo(Long.java:50) at org.teiid.query.sql.symbol.Constant$2.compare(Constant.java:99) at org.teiid.query.eval.Evaluator.compare(Evaluator.java:645) at org.teiid.query.eval.Evaluator.evaluate(Evaluator.java:373) at org.teiid.query.eval.Evaluator.internalEvaluateTVL(Evaluator.java:237) at org.teiid.query.eval.Evaluator.evaluateTVL(Evaluator.java:226) at org.teiid.query.eval.Evaluator.evaluate(Evaluator.java:220) at org.teiid.translator.accumulo.EvaluatorIterator.acceptRow(EvaluatorIterator.java:229) at org.teiid.translator.accumulo.EvaluatorIterator.filter(EvaluatorIterator.java:184) at org.teiid.translator.accumulo.EvaluatorIterator.prepKeys(EvaluatorIterator.java:180) at org.teiid.translator.accumulo.EvaluatorIterator.seek(EvaluatorIterator.java:159) at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) at org.apache.accumulo.core.iterators.user.VersioningIterator.seek(VersioningIterator.java:81) at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.readNext(SourceSwitchingIterator.java:116) at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.seek(SourceSwitchingIterator.java:168) at org.apache.accumulo.server.tabletserver.Tablet.nextBatch(Tablet.java:1737) at org.apache.accumulo.server.tabletserver.Tablet.access$3200(Tablet.java:152) at org.apache.accumulo.server.tabletserver.Tablet$Scanner.read(Tablet.java:1879) at org.apache.accumulo.server.tabletserver.TabletServer$ThriftClientHandler$NextBatchTask.run(TabletServer.java:945) at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
but when I provide a value higher, than can be saved in integer, thus the type of the literal is inferred as long, the query runs as expected.
SELECT * FROM accumulo.SmallA WHERE LongNum>30000000000000000000
Similar problems I had with
Column type | Literal | Inferred type | Rootcause message |
---|---|---|---|
long | 3 | Integer | java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Long |
biginteger | 3 | Integer | java.lang.ClassCastException: java.lang.Integer cannot be cast to java.math.BigInteger |
double | 3.0 | BigDecimal | java.lang.ClassCastException: java.math.BigDecimal cannot be cast to java.lang.Double |
float | 3.0 | BigDecimal | java.lang.ClassCastException: java.math.BigDecimal cannot be cast to java.lang.Float |
rest of the cause's stacktrace look the same.
In Squirrel I get:
Unable to find source-code formatter for language: plain. Available languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy, haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow, ruby, scala, sh, sql, swift, visualbasic, xml, yaml
TEIID30504 Remote org.teiid.core.TeiidProcessingException: TEIID30504 node-one: Error on server 127.0.0.1:9997