From b90d55db02b0b499156b732676c4a2148303d23e Mon Sep 17 00:00:00 2001
From: Alessandro Molina <alessandro@molina.fyi>
Date: Wed, 8 May 2024 19:20:21 +0200
Subject: [PATCH] Improve conversion of typenames to types

---
 src/substrait/sql/functions_catalog.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/substrait/sql/functions_catalog.py b/src/substrait/sql/functions_catalog.py
index d6b175d..4e026b7 100644
--- a/src/substrait/sql/functions_catalog.py
+++ b/src/substrait/sql/functions_catalog.py
@@ -47,6 +47,10 @@ def arguments_type(self) -> list[SubstraitType | None]:
         return [self._type_from_name(arg) for arg in self.arguments]
 
     def _type_from_name(self, typename: str) -> SubstraitType | None:
+        # TODO: improve support complext type like LIST?<any>
+        typename, *_ = typename.split("<", 1)
+        typename = typename.lower()
+
         nullable = False
         if typename.endswith("?"):
             nullable = True