szehon-ho commented on code in PR #50109:
URL: https://github.com/apache/spark/pull/50109#discussion_r2008434712
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sql/catalyst/src/main/java/org/apache/spark/sql/connector/catalog/ProcedureCatalog.java:
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@@ -34,4 +34,11 @@ public interface ProcedureCatalog extends CatalogPlugin {
* @return the loaded unbound procedure
*/
UnboundProcedure loadProcedure(Identifier ident);
+
+ /**
+ * List all procedures in the specified namespace.
+ *
+ * If a null or empty array is passed, all procedures are returned.
Review Comment:
I guess a broader question:
Should 'show procedures' should return all in current catalog? and 'show
procedures in cat' should return all procedures in cat?
If so, we can have support at the catalog level, or else have Spark code
loop through all namespaces and make multiple calls to the catalog?
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