andygrove commented on issue #1127:
URL:
https://github.com/apache/datafusion-comet/issues/1127#issuecomment-2578652346
Here is my repro.
## Comet 0.3.0
```
scala>
spark.read.parquet("/mnt/bigdata/tpch/sf100/lineitem.parquet").createTempView("lineitem")
25/01/08 13:56:35 INFO core/src/lib.rs: Comet native library version 0.3.0
initialized
25/01/08 13:56:35 WARN CometSparkSessionExtensions$CometExecRule: Comet
cannot execute some parts of this plan natively (set
spark.comet.explainFallback.enabled=false to disable this logging):
Execute CreateViewCommand [COMET: Execute CreateViewCommand is not
supported]
+- CreateViewCommand
+- LogicalRelation
scala> spark.sql("select cast(l_shipmode as decimal(12,2)) from
lineitem").show
25/01/08 13:56:40 WARN CometSparkSessionExtensions$CometExecRule: Comet
cannot execute some parts of this plan natively (set
spark.comet.explainFallback.enabled=false to disable this logging):
CollectLimit [COMET: CollectLimit is not supported]
+- Project [COMET: Comet does not guarantee correct results for cast from
StringType to DecimalType(12,2) with timezone Some(America/Denver) and evalMode
LEGACY (Does not support inputs ending with 'd' or 'f'. Does not support 'inf'.
Does not support ANSI mode. Returns 0.0 instead of null if input contains no
digits). To enable all incompatible casts, set
spark.comet.cast.allowIncompatible=true]
+- CometScanWrapper
+----------+
|l_shipmode|
+----------+
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
+----------+
only showing top 20 rows
```
## Comet 0.4.0
```
scala>
spark.read.parquet("/mnt/bigdata/tpch/sf100/lineitem.parquet").createTempView("lineitem")
25/01/08 13:57:31 INFO core/src/lib.rs: Comet native library version 0.4.0
initialized
scala> spark.sql("select cast(l_shipmode as decimal(12,2)) from
lineitem").show
+----------+
|l_shipmode|
+----------+
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
| null|
+----------+
only showing top 20 rows
```
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