\"fix: use explicit labels and native text order_by to enforce strict warning logic\"
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@ -313,32 +313,37 @@ class MaterialBaseService:
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enable_warning_sort = has_warning_permission and filters.get('enableWarningSort', False)
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enable_warning_sort = has_warning_permission and filters.get('enableWarningSort', False)
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if enable_warning_sort:
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if enable_warning_sort:
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print("====== [DEBUG] 成功进入预警智能排序逻辑 ======")
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from sqlalchemy import text
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# 状态层级:红(2) > 黄(1) > 常规(0)
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print("====== [DEBUG] 执行虚拟列强排模式 ======")
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# 1. 建立虚拟列标签 (显式暴露出计算结果)
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warning_level = case([
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warning_level = case([
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(and_(MaterialWarningSetting.is_enabled.is_(True), total_inv <= MaterialWarningSetting.red_threshold), 2),
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(and_(MaterialWarningSetting.is_enabled.is_(True), total_inv <= MaterialWarningSetting.red_threshold), 2),
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(and_(MaterialWarningSetting.is_enabled.is_(True), total_inv <= MaterialWarningSetting.yellow_threshold), 1)
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(and_(MaterialWarningSetting.is_enabled.is_(True), total_inv <= MaterialWarningSetting.yellow_threshold), 1)
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], else_=0)
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], else_=0).label('sort_level')
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# 红色组内部:缺口越大越靠前 (red_threshold - total_inv) DESC
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# 红色组内部:缺口越大越靠前 DESC
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red_shortage = case([
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red_shortage = case([
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(and_(MaterialWarningSetting.is_enabled.is_(True), total_inv <= MaterialWarningSetting.red_threshold),
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(and_(MaterialWarningSetting.is_enabled.is_(True), total_inv <= MaterialWarningSetting.red_threshold),
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MaterialWarningSetting.red_threshold - total_inv)
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MaterialWarningSetting.red_threshold - total_inv)
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], else_=0)
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], else_=0).label('sort_red')
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# 黄色组内部:距离红线越近越靠前 (total_inv - red_threshold) ASC
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# 黄色组内部:距离红线越近越靠前 ASC
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yellow_distance = case([
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yellow_distance = case([
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(and_(MaterialWarningSetting.is_enabled.is_(True), total_inv > MaterialWarningSetting.red_threshold, total_inv <= MaterialWarningSetting.yellow_threshold),
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(and_(MaterialWarningSetting.is_enabled.is_(True), total_inv > MaterialWarningSetting.red_threshold, total_inv <= MaterialWarningSetting.yellow_threshold),
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total_inv - MaterialWarningSetting.red_threshold)
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total_inv - MaterialWarningSetting.red_threshold)
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], else_=999999)
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], else_=999999).label('sort_yellow')
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# 清除默认排序,应用严谨的四级排序
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# 2. 将虚拟列加入查询 (使其成为真实可引用的字段)
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query = query.order_by(
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query = query.add_columns(warning_level, red_shortage, yellow_distance)
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desc(warning_level),
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desc(red_shortage),
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# 3. 清除任何杂乱排序,使用原生 text 强行指引数据库按虚拟列名排序
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asc(yellow_distance),
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query = query.order_by(None).order_by(
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desc(MaterialBase.id)
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text("sort_level DESC"),
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text("sort_red DESC"),
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text("sort_yellow ASC"),
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MaterialBase.id.desc()
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)
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)
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elif order_by_column:
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elif order_by_column:
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# 字段映射
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# 字段映射
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