Docs: multiple relationships to to the same model-fix examples, add retreiveal of foreign info example

Author: cycledriver

docs/tutorial/relationship-attributes/multiple-relationships-same-model.md

@@ -128,7 +128,7 @@ Query Heros filtering by Team attributes by manually specifying the `join` with
 ```Python hl_lines="7"
 # Code above omitted 👆
 
-{!./docs_src/tutorial/relationship_attributes/multiple_relationships_same_model/tutorial001.py[ln:70-87]!}
+{!./docs_src/tutorial/relationship_attributes/multiple_relationships_same_model/tutorial001.py[ln:70-89]!}
 
 # Code below omitted 👇
 ```
@@ -155,7 +155,7 @@ From a query perspecitve, this is a much simpler solution.  We use the `has` fun
 ```Python hl_lines="5"
 # Code above omitted 👆
 
-{!./docs_src/tutorial/relationship_attributes/multiple_relationships_same_model/tutorial001.py[ln:90-113]!}
+{!./docs_src/tutorial/relationship_attributes/multiple_relationships_same_model/tutorial001.py[ln:91-119]!}
 
 # Code below omitted 👇
 ```

docs_src/tutorial/relationship_attributes/multiple_relationships_same_model/tutorial001.py

@@ -28,9 +28,8 @@ class Hero(SQLModel, table=True):
 
 sqlite_file_name = ":memory:"
 sqlite_url = f"sqlite:///{sqlite_file_name}"
-mysql_url = "mysql+pymysql://[email protected]/test"
 
-engine = create_engine(mysql_url, echo=True)
+engine = create_engine(sqlite_url, echo=True)
 
 
 def create_db_and_tables():
@@ -85,7 +84,11 @@ def select_heroes():
 
         """
         heros = result.all()
-        print("Heros with Preventers as their winter team:", heros)
+        print("Heros with Preventers as their winter team:")
+        for hero in heros:
+            print(
+                f"Hero: {hero.name}, Winter Team: {hero.winter_team.name} Summer Team: {hero.summer_team.name}"
+            )
 
         # Heros with Preventers as their winter team and Z-Force as their summer team using "has" function.
         result = session.exec(
@@ -113,8 +116,11 @@ def select_heroes():
         heros = result.all()
         print(
             "Heros with Preventers as their winter and Z-Force as their summer team:",
-            heros,
         )
+        for hero in heros:
+            print(
+                f"Hero: {hero.name}, Winter Team: {hero.winter_team.name} Summer Team: {hero.summer_team.name}"
+            )
         assert heros[0].name == "Deadpond"
 
 

docs_src/tutorial/relationship_attributes/multiple_relationships_same_model/tutorial001_py310.py

@@ -81,13 +81,14 @@ def select_heroes():
         WHERE team_1.name = ?
 
         """
-
         heros = result.all()
-        print("Heros with Preventers as their winter team:", heros)
-        assert len(heros) == 2
+        print("Heros with Preventers as their winter team:")
+        for hero in heros:
+            print(
+                f"Hero: {hero.name}, Winter Team: {hero.winter_team.name} Summer Team: {hero.summer_team.name}"
+            )
 
-        # Heros with Preventers as their winter team and Z-Force as their summer team
-        # using "has" function.
+        # Heros with Preventers as their winter team and Z-Force as their summer team using "has" function.
         result = session.exec(
             select(Hero)
             .where(Hero.winter_team.has(Team.name == "Preventers"))
@@ -113,9 +114,11 @@ def select_heroes():
         heros = result.all()
         print(
             "Heros with Preventers as their winter and Z-Force as their summer team:",
-            heros,
         )
-        assert len(heros) == 1
+        for hero in heros:
+            print(
+                f"Hero: {hero.name}, Winter Team: {hero.winter_team.name} Summer Team: {hero.summer_team.name}"
+            )
         assert heros[0].name == "Deadpond"
 
 

docs_src/tutorial/relationship_attributes/multiple_relationships_same_model/tutorial001_py39.py

@@ -83,13 +83,14 @@ def select_heroes():
         WHERE team_1.name = ?
 
         """
-
         heros = result.all()
-        print("Heros with Preventers as their winter team:", heros)
-        assert len(heros) == 2
+        print("Heros with Preventers as their winter team:")
+        for hero in heros:
+            print(
+                f"Hero: {hero.name}, Winter Team: {hero.winter_team.name} Summer Team: {hero.summer_team.name}"
+            )
 
-        # Heros with Preventers as their winter team and Z-Force as their summer team
-        # using "has" function.
+        # Heros with Preventers as their winter team and Z-Force as their summer team using "has" function.
         result = session.exec(
             select(Hero)
             .where(Hero.winter_team.has(Team.name == "Preventers"))
@@ -115,9 +116,11 @@ def select_heroes():
         heros = result.all()
         print(
             "Heros with Preventers as their winter and Z-Force as their summer team:",
-            heros,
         )
-        assert len(heros) == 1
+        for hero in heros:
+            print(
+                f"Hero: {hero.name}, Winter Team: {hero.winter_team.name} Summer Team: {hero.summer_team.name}"
+            )
         assert heros[0].name == "Deadpond"