fix: coalesce should return correct datatype#168
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viirya merged 2 commits intoapache:mainfrom Mar 5, 2024
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viirya
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| test("coalesce should return correct datatype") { | ||
| Seq(true, false).foreach { dictionaryEnabled => | ||
| withTempDir { dir => | ||
| val path = new Path(dir.toURI.toString, "test.parquet") | ||
| makeParquetFileAllTypes(path, dictionaryEnabled = dictionaryEnabled, 10000) | ||
| withParquetTable(path.toString, "tbl") { | ||
| checkSparkAnswerAndOperator( | ||
| "SELECT coalesce(cast(_18 as date), cast(_19 as date), _20) FROM tbl") | ||
| } | ||
| } | ||
| } | ||
| } |
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Due to the issue apache/datafusion#9458, the return type and the actual output array is different in DataFusion coalesce function:
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 2.0 failed 1 times, most recent failure: Lost task 0.0 in stage 2.0 (TID 2) (192.168.86.44 executor driver): org.apache.comet.CometNativeException
: Arrow error: Invalid argument error: column types must match schema types, expected Utf8 but found Date32 at column index 0
at org.apache.comet.Native.executePlan(Native Method)
at org.apache.comet.CometExecIterator.executeNative(CometExecIterator.scala:65)
at org.apache.comet.CometExecIterator.getNextBatch(CometExecIterator.scala:111)
at org.apache.comet.CometExecIterator.hasNext(CometExecIterator.scala:126)
at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.columnartorow_nextBatch_0$(Unknown Source)
at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.processNext(Unknown Source)
at org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
at org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:760)
viirya
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Mar 5, 2024
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| // TODO: Remove this once we have new DataFusion release which includes | ||
| // the fix: https://github.com/apache/arrow-datafusion/pull/9459 | ||
| castToProto(None, a.dataType, childExpr) |
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This is a workaround for now before we have new DataFusion release that includes the fix: apache/datafusion#9459
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cc @sunchao |
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Merged. Thanks. |
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Which issue does this PR close?
Closes #167.
Rationale for this change
What changes are included in this PR?
How are these changes tested?