Replace lambda function to update city_id

atd-vzd/migrations/migration_atd_txdot_crashes_2023_07_14--1325.sql

@@ -0,0 +1,7 @@
+-- This trigger updates the city id of a crash to be in Austin if its currently
+-- not in Austin and the position value is moved into any of the Austin jurisdictions
+CREATE OR REPLACE TRIGGER crashes_position_update_city_id
+    BEFORE UPDATE ON atd_txdot_crashes
+    FOR EACH ROW
+    WHEN (OLD.position IS DISTINCT FROM NEW.position AND NEW.city_id != 22)
+    EXECUTE FUNCTION update_crash_city_id();

atd-vzd/triggers/update_crash_city_id.sql

@@ -0,0 +1,29 @@
+-- This function updates the city id if a crashes position is moved into Austin
+CREATE OR REPLACE FUNCTION update_crash_city_id()
+    RETURNS trigger
+    LANGUAGE plpgsql
+AS $function$
+DECLARE 
+temprow RECORD;
+    BEGIN
+        -- loop through jurisdictions that contain the new position
+        -- if jurisdiction is in the list of valid jurisdictions then
+        -- update city id to be in Austin (22)
+        FOR temprow IN 
+        (
+            SELECT jurisdictions.id
+        FROM atd_txdot_crashes AS crashes
+            INNER JOIN atd_jurisdictions jurisdictions
+            ON (jurisdictions.geometry && NEW.position) AND ST_Contains(jurisdictions.geometry, NEW.position)
+        WHERE crashes.crash_id = NEW.crash_id
+        )
+        LOOP
+          IF temprow.id IN (5, 3, 7, 8, 10) THEN
+            NEW.city_id = 22;
+            RETURN NEW;
+          END IF;
+        END LOOP;
+    RETURN NEW;
+    END
+$function$
+;