viirya commented on a change in pull request #32354:
URL: https://github.com/apache/spark/pull/32354#discussion_r625530081
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File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/connector/catalog/InMemoryTable.scala
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@@ -237,29 +237,29 @@ class InMemoryTable(
private var schema: StructType = tableSchema
override def build: Scan =
- new InMemoryBatchScan(data.map(_.asInstanceOf[InputPartition]), schema)
+ new InMemoryBatchScan(data.map(_.asInstanceOf[InputPartition]), schema,
tableSchema)
override def pruneColumns(requiredSchema: StructType): Unit = {
- // if metadata columns are projected, return the table schema and
metadata columns
- val hasMetadataColumns =
requiredSchema.map(_.name).exists(metadataColumnNames.contains)
- if (hasMetadataColumns) {
- schema = StructType(tableSchema ++ metadataColumnNames
- .flatMap(name => metadataColumns.find(_.name == name))
- .map(col => StructField(col.name, col.dataType, col.isNullable)))
- }
+ schema = StructType(requiredSchema.filter { f =>
+ (metadataColumnNames ++ tableSchema.map(_.name)).contains(f.name)
Review comment:
`(metadataColumnNames ++ tableSchema.map(_.name))` can be out of
`filter` loop?
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