dongkelun commented on a change in pull request #3415:
URL: https://github.com/apache/hudi/pull/3415#discussion_r687647053
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File path:
hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/spark/sql/hudi/analysis/HoodieAnalysis.scala
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@@ -142,11 +142,25 @@ case class HoodieResolveReferences(sparkSession:
SparkSession) extends Rule[Logi
val resolvedCondition =
condition.map(resolveExpressionFrom(resolvedSource)(_))
val resolvedAssignments = if (isInsertOrUpdateStar(assignments)) {
// assignments is empty means insert * or update set *
- // we fill assign all the source fields to the target fields
- target.output
- .filter(attr => !HoodieSqlUtils.isMetaField(attr.name))
- .zip(resolvedSource.output.filter(attr =>
!HoodieSqlUtils.isMetaField(attr.name)))
- .map { case (targetAttr, sourceAttr) => Assignment(targetAttr,
sourceAttr) }
+ val resolvedSourceOutputWithoutMetaFields =
resolvedSource.output.filter(attr => !HoodieSqlUtils.isMetaField(attr.name))
+ val targetOutputWithoutMetaFields = target.output.filter(attr =>
!HoodieSqlUtils.isMetaField(attr.name))
+ val resolvedSourceColumnNamesWithoutMetaFields =
resolvedSourceOutputWithoutMetaFields.map(_.name)
+ val targetColumnNamesWithoutMetaFields =
targetOutputWithoutMetaFields.map(_.name)
+
+
if(targetColumnNamesWithoutMetaFields.toSet.subsetOf(resolvedSourceColumnNamesWithoutMetaFields.toSet)){
+ //If sourceTable's columns contains all targetTable's columns,
+ //We fill assign all the source fields to the target fields by
column name matching.
+ val sourceColNameAttrMap =
resolvedSourceOutputWithoutMetaFields.map(attr => (attr.name,attr)).toMap
Review comment:
Okay, added
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