chore: clean deleted outdoor fair booth snapshots

sql/cms_outdoor_fair_booth_cleanup.sql

@@ -0,0 +1,12 @@
+-- 清理已逻辑删除户外招聘会遗留的展位副本和预定记录。
+-- 可重复执行：删除目标为空时不会产生任何变更。
+
+DELETE FROM shz.cms_outdoor_fair_booth_booking AS booking
+USING shz.cms_outdoor_fair AS fair
+WHERE booking.fair_id = fair.id
+  AND fair.del_flag <> '0';
+
+DELETE FROM shz.cms_outdoor_fair_booth AS booth
+USING shz.cms_outdoor_fair AS fair
+WHERE booth.fair_id = fair.id
+  AND fair.del_flag <> '0';