Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/8889#discussion_r40476942
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala ---
@@ -553,60 +553,28 @@ private[hive] class HiveMetastoreCatalog(val client:
ClientInterface, hive: Hive
return plan
}
- // Collects all `MetastoreRelation`s which should be replaced
- val toBeReplaced = plan.collect {
+ plan transformUp {
// Write path
- case InsertIntoTable(relation: MetastoreRelation, _, _, _, _)
- // Inserting into partitioned table is not supported in
Parquet data source (yet).
- if !relation.hiveQlTable.isPartitioned &&
- hive.convertMetastoreParquet &&
-
relation.tableDesc.getSerdeClassName.toLowerCase.contains("parquet") =>
- val parquetRelation = convertToParquetRelation(relation)
- val attributedRewrites =
relation.output.zip(parquetRelation.output)
- (relation, parquetRelation, attributedRewrites)
+ case i @ InsertIntoTable(r: MetastoreRelation, partition, child,
overwrite, ifNotExists)
+ // Inserting into partitioned table is not supported in Parquet
data source (yet).
+ if !r.hiveQlTable.isPartitioned && hive.convertMetastoreParquet
&&
+ r.tableDesc.getSerdeClassName.toLowerCase.contains("parquet")
=>
+ val parquetRelation = convertToParquetRelation(r)
+ InsertIntoTable(parquetRelation, partition, child, overwrite,
ifNotExists)
// Write path
- case InsertIntoHiveTable(relation: MetastoreRelation, _, _, _, _)
+ case i @ InsertIntoHiveTable(r: MetastoreRelation, partition,
child, overwrite, ifNotExists)
// Inserting into partitioned table is not supported in Parquet
data source (yet).
- if !relation.hiveQlTable.isPartitioned &&
- hive.convertMetastoreParquet &&
-
relation.tableDesc.getSerdeClassName.toLowerCase.contains("parquet") =>
- val parquetRelation = convertToParquetRelation(relation)
- val attributedRewrites =
relation.output.zip(parquetRelation.output)
- (relation, parquetRelation, attributedRewrites)
+ if !r.hiveQlTable.isPartitioned && hive.convertMetastoreParquet
&&
+ r.tableDesc.getSerdeClassName.toLowerCase.contains("parquet")
=>
+ val parquetRelation = convertToParquetRelation(r)
+ InsertIntoTable(parquetRelation, partition, child, overwrite,
ifNotExists)
--- End diff --
Or we may preserve `i` and replace this line with `i.copy(table =
parquetRelation)`.
---
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