refactor(stock): 优化库存查询逻辑并调整分组策略
- 修改 XML 中的查询语句,将 CASE 表达式包裹在 MIN 函数内以适配 GROUP BY - 显式添加 GROUP BY 子句到 SQL 查询中 - 在 Java 代码中将模糊查询优化为前缀匹配,提高索引使用效率 - 移除 QueryWrapper 中冗余的 groupBy 字段,改由 SQL 层统一控制分组逻辑 - 简化 Java 层动态条件构造,提升可读性和维护性
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@@ -81,23 +81,10 @@ public class WmsStockServiceImpl implements IWmsStockService {
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}
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qw.eq(StringUtils.isNotBlank(bo.getItemType()), "mc.item_type", bo.getItemType());
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qw.eq(bo.getItemId() != null, "mc.item_id", bo.getItemId());
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qw.like(StringUtils.isNotBlank(bo.getBatchNo()), "mc.enter_coil_no", bo.getBatchNo());
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// 优化模糊查询为前缀匹配,便于走索引(若有)
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qw.likeRight(StringUtils.isNotBlank(bo.getBatchNo()), "mc.enter_coil_no", bo.getBatchNo());
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// 使用 groupBy 进行分组
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qw.groupBy(
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"mc.actual_warehouse_id",
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"mc.item_type",
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"mc.item_id",
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"w.actual_warehouse_name",
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"CASE WHEN mc.item_type = 'product' THEN p.product_name WHEN mc.item_type = 'raw_material' THEN r.raw_material_name ELSE NULL END",
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"CASE WHEN mc.item_type = 'product' THEN p.product_code WHEN mc.item_type = 'raw_material' THEN r.raw_material_code ELSE NULL END",
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"CASE WHEN mc.item_type = 'product' THEN p.specification WHEN mc.item_type = 'raw_material' THEN r.specification ELSE NULL END",
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"CASE WHEN mc.item_type = 'product' THEN p.material WHEN mc.item_type = 'raw_material' THEN r.material ELSE NULL END",
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"CASE WHEN mc.item_type = 'product' THEN p.surface_treatment_desc WHEN mc.item_type = 'raw_material' THEN r.surface_treatment_desc ELSE NULL END",
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"CASE WHEN mc.item_type = 'product' THEN p.zinc_layer WHEN mc.item_type = 'raw_material' THEN r.zinc_layer ELSE NULL END",
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"CASE WHEN mc.item_type = 'product' THEN p.manufacturer WHEN mc.item_type = 'raw_material' THEN r.manufacturer ELSE NULL END"
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);
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// 分组改由 SQL 中显式控制,避免在 Wrapper 中拼装大量分组字段
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return qw;
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}
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