PC物料导入添加

sql/Wchichunsql.sql

@@ -8,4 +8,37 @@ COMMENT ON COLUMN SHELF_MATERIAL_DETAIL.DIMENSIONS IS '尺寸';
 
 -- 拣货单明细新增规格字段 (SIZE)
 ALTER TABLE PICKING_MATERIAL_DETAIL ADD "SIZE" VARCHAR2(255);
-COMMENT ON COLUMN PICKING_MATERIAL_DETAIL."SIZE" IS '尺寸';
+COMMENT ON COLUMN PICKING_MATERIAL_DETAIL."SIZE" IS '尺寸';
+
+-- 1) 创建序列（若已存在会报错，可先跳过或改名）
+CREATE SEQUENCE SEQ_MATERIAL_BASE_INFO_ID
+    START WITH 1
+    INCREMENT BY 1
+    NOCACHE
+NOCYCLE;
+
+-- 2) 将序列起始值调整到“当前最大ID+1”
+DECLARE
+v_next BIGINT;
+BEGIN
+SELECT NVL(MAX(MATERIAL_BASE_INFO_ID), 0) + 1
+INTO v_next
+FROM MATERIAL_BASE_INFO;
+
+EXECUTE IMMEDIATE 'DROP SEQUENCE SEQ_MATERIAL_BASE_INFO_ID';
+EXECUTE IMMEDIATE 'CREATE SEQUENCE SEQ_MATERIAL_BASE_INFO_ID START WITH ' || v_next || ' INCREMENT BY 1 NOCACHE NOCYCLE';
+END;
+/
+
+-- 3) 创建触发器：仅在主键为空时自动赋值
+CREATE OR REPLACE TRIGGER TRG_MATERIAL_BASE_INFO_BI
+BEFORE INSERT ON MATERIAL_BASE_INFO
+FOR EACH ROW
+BEGIN
+    IF :NEW.MATERIAL_BASE_INFO_ID IS NULL THEN
+SELECT SEQ_MATERIAL_BASE_INFO_ID.NEXTVAL
+INTO :NEW.MATERIAL_BASE_INFO_ID
+FROM DUAL;
+END IF;
+END;
+/