✨ Support pattern parameter

sqlmodel/main.py

@@ -395,9 +395,13 @@ def Field(
     current_schema_extra = schema_extra or {}
 
     if IS_PYDANTIC_V2:
-        current_schema_extra.update(pattern=pattern or regex)
+        current_schema_extra.update(
+            pattern=pattern or regex or current_schema_extra.get("pattern")
+        )
     else:
-        current_schema_extra.update(regex=regex or pattern)
+        current_schema_extra.update(
+            regex=regex or pattern or current_schema_extra.get("pattern")
+        )
 
     field_info = FieldInfo(
         default,

tests/test_pydantic/test_field.py

@@ -61,13 +61,13 @@ class Model(SQLModel):
 def test_field_regex_param(param: str):
     class DateModel(SQLModel):
         date_1: str = Field(**{param: r"^\d{2}-\d{2}-\d{4}$"})
-        date_2: str = Field(schema_extra={param: r"^\d{2}-\d{2}-\d{4}$"})
 
-    DateModel(date_1="12-31-2024", date_2="12-31-2024")
-    # Validates correctly
+    DateModel(date_1="12-31-2024")  # Validates correctly
 
-    with pytest.raises(ValidationError):
-        DateModel(date_1="incorrect", date_2="12-31-2024")  # date_1 pattern mismatch
+
+def test_field_pattern_via_schema_extra():
+    class DateModel(SQLModel):
+        date_1: str = Field(schema_extra={"pattern": r"^\d{2}-\d{2}-\d{4}$"})
 
     with pytest.raises(ValidationError):
-        DateModel(date_1="12-31-2024", date_2="incorrect")  # date_2 pattern mismatch
+        DateModel(date_1="incorrect")