try string in input type

openapi.yaml

@@ -34,26 +34,23 @@ paths:
 #      responses:
 #        201:
 #          description: Your items has been inserted
-  /pdb/v2/test1/specificSelectName/{nr}:
+  /pdb/v2/test1/specificSelectName/{txt}:
     get:
       tags: [ "Regular" ]
       operationId: Regular.test1specificSelectName
       summary: Returns entries from table test1 using a dedicated select statement
       description:
         STATEMENTBEGIN
-          select txt
+          select nr, txt
             from test1
-            where nr = @nr 
+            where txt = @txt 
         STATEMENTEND
-        INPUTMAPPINGBEGIN
-            nr = Nummer
-        INPUTMAPPINGEND
       parameters:
-        - name: nr
+        - name: txt
           in: path
           required: true
           schema:
-            type: integer
+            type: string
       responses:
         200:
           description: Here are your test1 items
@@ -86,3 +83,5 @@ components:
       properties:
         txt:
           type: string
+        nr:
+          type: integer