From ff10c76d3b6b9bd07e74b4ebc5988b58bf719abc Mon Sep 17 00:00:00 2001
From: Timofey Koolin <timofey.koolin@gmail.com>
Date: Wed, 28 Jun 2023 12:16:03 +0300
Subject: [PATCH 1/2] Fixed list type as field result in sqlalchemy

---
 CHANGELOG.md                     | 2 ++
 tests/sqlalchemy/test_inspect.py | 9 +++++++++
 ydb/convert.py                   | 5 +++++
 3 files changed, 16 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5bedccc9..361f05c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+* Fixed list type as field result in sqlalchemy
+
 ## 3.3.5 ##
 * Fixed use positional argument instead of named in WriterAsyncIO.__del__
 * Fixed release buffer while read topic by one messages 
diff --git a/tests/sqlalchemy/test_inspect.py b/tests/sqlalchemy/test_inspect.py
index 6cfe5749..f73bf39c 100644
--- a/tests/sqlalchemy/test_inspect.py
+++ b/tests/sqlalchemy/test_inspect.py
@@ -1,3 +1,5 @@
+from sqlalchemy import text
+
 import ydb
 
 import sqlalchemy as sa
@@ -18,3 +20,10 @@ def test_get_columns(driver_sync, sa_engine):
     ]
 
     session.execute_scheme("DROP TABLE test")
+
+
+def test_query_list(sa_engine):
+    with sa_engine.connect() as connection:
+        result = connection.execute(text("SELECT AsList(1, 2, 3, 4) as c"))
+        row = next(result)
+        assert row["c"] == [1, 2, 3, 4]
diff --git a/ydb/convert.py b/ydb/convert.py
index 4a1b007f..6c4164bc 100644
--- a/ydb/convert.py
+++ b/ydb/convert.py
@@ -227,6 +227,10 @@ def _optional_type_to_native(type_pb):
     return types.OptionalType(type_to_native(type_pb.optional_type.item))
 
 
+def _list_type_to_native(type_pb):
+    return types.ListType(type_to_native(type_pb.list_type.item))
+
+
 def _primitive_type_to_native(type_pb):
     return _primitive_type_by_id.get(type_pb.type_id)
 
@@ -240,6 +244,7 @@ def _null_type_factory(type_pb):
     "type_id": _primitive_type_to_native,
     "decimal_type": _decimal_type_to_native,
     "null_type": _null_type_factory,
+    "list_type": _list_type_to_native,
 }
 
 

From a434c51c01ab93dec58824ab0174bec7a0db7d5f Mon Sep 17 00:00:00 2001
From: Timofey Koolin <timofey.koolin@gmail.com>
Date: Wed, 28 Jun 2023 16:48:09 +0300
Subject: [PATCH 2/2] fix changelog

---
 CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 361f05c0..0751fdf3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-* Fixed list type as field result in sqlalchemy
+* Add list type to converter from result to native type (fix problem with get list result in dbapi/sqlalchemy)
 
 ## 3.3.5 ##
 * Fixed use positional argument instead of named in WriterAsyncIO.__del__