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ISSUE#1641 Fix !show et; error in distribute mode #1642

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Dec 30, 2021
Merged

ISSUE#1641 Fix !show et; error in distribute mode #1642

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9 changes: 5 additions & 4 deletions streamingpro-core/src/main/java/streaming/dsl/load/batch/ModelExplain.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -117,16 +117,17 @@ class ModelList(format: String, path: String, option: Map[String, String])(spark

override def explain: DataFrame = {

val items = MLMapping.getAllETNames
val rows = sparkSession.sparkContext.parallelize(items.toSeq.sorted, 1)
sparkSession.createDataFrame(rows.map { algName =>
val items = MLMapping.getAllETNames.toSeq.sorted.map{algName=>
val sqlAlg = ModelSelfExplain.findAlg(algName).get
Row.fromSeq(Seq(algName, sqlAlg.modelType.humanFriendlyName,
sqlAlg.coreCompatibility.map(f => f.coreVersion).mkString(","),
sqlAlg.doc.doc, sqlAlg.doc.docType.docType
)
)
},
}

val rows = sparkSession.sparkContext.parallelize(items, 1)
sparkSession.createDataFrame(rows,
StructType(Seq(
StructField(name = "name", dataType = StringType),
StructField(name = "algType", dataType = StringType),
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6 changes: 6 additions & 0 deletions streamingpro-it/src/test/resources/sql/simple/issue_1641.mlsql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
--%comparator=tech.mlsql.it.IgnoreResultComparator

!show et;
!lastCommand named ets;
select * from ets where name="JsonExpandExt" as output;
!assert output ''' :name == "JsonExpandExt" ''' "output should be JsonExpandExt";