rdblue commented on a change in pull request #24689:
[SPARK-26946][SQL][FOLLOWUP] Require lookup function
URL: https://github.com/apache/spark/pull/24689#discussion_r288304534
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
##########
@@ -93,22 +97,16 @@ object AnalysisContext {
* Provides a logical query plan analyzer, which translates
[[UnresolvedAttribute]]s and
* [[UnresolvedRelation]]s into fully typed objects using information in a
[[SessionCatalog]].
*/
-class Analyzer(
+abstract class Analyzer(
Review comment:
Why not continue to pass a lookup function in some paths and default the
analyzer to use one that throws `CatalogNotFoundException`? That would avoid a
lot of these changes.
```scala
class Analyzer(..., catalogLookup: String => CatalogPlugin) {
def this(...) = {
this(..., _ => throw new CatalogNotFoundException(...)
}
}
```
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