Fix postgres throwing an error when a non parameter is not a string

src/altqq/translators/psycopg.py

@@ -78,7 +78,7 @@ def _resolve_value(self, query: Query, field: dc.Field[T]) -> PsycopgStatement:
 
         field_type = common.get_parameter_type(field.type)
         if field_type == QueryValueTypes.NON_PARAMETER:
-            return PsycopgStatement(value.replace("%", "%%"), ())
+            return PsycopgStatement(str(value).replace("%", "%%"), ())
         elif field_type == QueryValueTypes.LIST_PARAMETER:
             return PsycopgStatement(
                 common.create_list_markers(self.MARKER, len(value)), value

tests/queries.py

@@ -63,6 +63,19 @@ class SelectTableByFilter(altqq.Query):
     filter_value: Any
 
 
+class SelectTableByFilterNonParameter(altqq.Query):
+    """Test query that selects and filters a table."""
+
+    __query__ = """
+        SELECT *, (15 % 10) AS t FROM "{table}"
+        WHERE "{filter_column}" = {filter_value}
+    """
+
+    table: altqq.NonParameter[str]
+    filter_column: altqq.NonParameter[str]
+    filter_value: altqq.NonParameter[int]
+
+
 class OrderQuery(altqq.Query):
     """Test query that orders a query."""
 
@@ -113,6 +126,24 @@ class UnionAllQuery(altqq.Query):
         ),
         plain_text="""SELECT * FROM table WHERE A IN (10,20,30)""",
     ),
+    SampleQuery(
+        SelectTableByFilterNonParameter("Users", "age", 25),
+        pyodbc=altqq.PyODBCQuery(
+            query="""
+                SELECT *, (15 % 10) AS t FROM "Users" WHERE "age" = 25
+            """,
+            parameters=[],
+        ),
+        psycopg=altqq.PsycopgQuery(
+            query="""
+                SELECT *, (15 % 10) AS t FROM "Users" WHERE "age" = 25
+            """,
+            parameters=(),
+        ),
+        plain_text="""
+            SELECT *, (15 % 10) AS t FROM "Users" WHERE "age" = 25
+        """,
+    ),
     SampleQuery(
         SelectTableByFilter("Users", "age", 25),
         pyodbc=altqq.PyODBCQuery(