feat(sensor): 返回候选节点最大管径

app/native/wndb/s42_sensor_placement.py

@@ -66,8 +66,22 @@ def get_sensor_placement_nodes(
         with conn.cursor(row_factory=dict_row) as cur:
             cur.execute(
                 """
+                WITH incident_pipe_diameters AS (
+                    SELECT node_id, MAX(diameter) AS max_pipe_diameter
+                    FROM (
+                        SELECT node1 AS node_id, diameter
+                        FROM pipes
+                        WHERE node1 = ANY(%s)
+                        UNION ALL
+                        SELECT node2 AS node_id, diameter
+                        FROM pipes
+                        WHERE node2 = ANY(%s)
+                    ) AS incident_pipes
+                    GROUP BY node_id
+                )
                 SELECT DISTINCT ON (gj.id)
                     gj.id AS node_id,
+                    ipd.max_pipe_diameter,
                     gj.elevation,
                     ST_X(c.coord) AS project_x,
                     ST_Y(c.coord) AS project_y,
@@ -75,10 +89,11 @@ def get_sensor_placement_nodes(
                     ST_Y(gj.geom) AS map_y
                 FROM geo_junctions_mat AS gj
                 JOIN coordinates AS c ON c.node = gj.id
+                LEFT JOIN incident_pipe_diameters AS ipd ON ipd.node_id = gj.id
                 WHERE gj.id = ANY(%s)
                 ORDER BY gj.id
                 """,
-                (node_ids,),
+                (node_ids, node_ids, node_ids),
             )
             return list(cur.fetchall())