humengyu2012 opened a new pull request, #29:
URL: https://github.com/apache/incubator-paimon-presto/pull/29
We have a paimon table like:
```
CREATE TABLE `test_decimal`(
c1 decimal(20,0),
c2 decimal(6,3)
)
ROW FORMAT SERDE
'org.apache.paimon.hive.PaimonSerDe'
STORED BY
'org.apache.paimon.hive.PaimonStorageHandler' ;
```
when we query it by prestodb:
```
java.lang.UnsupportedOperationException:
com.facebook.presto.common.type.LongDecimalType
at
com.facebook.presto.common.type.AbstractType.writeObject(AbstractType.java:170)
at
org.apache.paimon.presto.PrestoPageSourceBase.writeObject(PrestoPageSourceBase.java:248)
at
org.apache.paimon.presto.PrestoPageSourceBase.appendTo(PrestoPageSourceBase.java:220)
at
org.apache.paimon.presto.PrestoPageSourceBase.nextPage(PrestoPageSourceBase.java:154)
at
org.apache.paimon.presto.PrestoPageSourceBase.lambda$getNextPage$0(PrestoPageSourceBase.java:127)
at
org.apache.paimon.presto.ClassLoaderUtils.runWithContextClassLoader(ClassLoaderUtils.java:30)
at
org.apache.paimon.presto.PrestoPageSourceBase.getNextPage(PrestoPageSourceBase.java:124)
at
com.facebook.presto.operator.TableScanOperator.getOutput(TableScanOperator.java:266)
at com.facebook.presto.operator.Driver.processInternal(Driver.java:426)
at
com.facebook.presto.operator.Driver.lambda$processFor$9(Driver.java:309)
at com.facebook.presto.operator.Driver.tryWithLock(Driver.java:730)
at com.facebook.presto.operator.Driver.processFor(Driver.java:302)
at
com.facebook.presto.execution.SqlTaskExecution$DriverSplitRunner.processFor(SqlTaskExecution.java:1079)
at
com.facebook.presto.execution.executor.PrioritizedSplitRunner.process(PrioritizedSplitRunner.java:165)
at
com.facebook.presto.execution.executor.TaskExecutor$TaskRunner.run(TaskExecutor.java:603)
at
com.facebook.presto.$gen.Presto_0_280_a95c1b4____20231207_111100_1.run(Unknown
Source)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
After this pr we can query decimal type normally:
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