review follow-up on FK resolve: duplicate exact-name records rejected (never sil…

…ently bind first — 31 same-name groups in eleproduct alone); deterministic candidate order (sId tiebreak); LIKE wildcard escaping; quote non-FK branch phantom gate; cold-read warm lock vs concurrent double-fill; resolveNameField(+ByFormId) phantom name-column cross-check (55/108 fk tables)

review follow-up on FK resolve: duplicate exact-name records rejected (never sil…
…ently bind first — 31 same-name groups in eleproduct alone); deterministic candidate order (sId tiebreak); LIKE wildcard escaping; quote non-FK branch phantom gate; cold-read warm lock vs concurrent double-fill; resolveNameField(+ByFormId) phantom name-column cross-check (55/108 fk tables)
zichun · 朱子纯
1 parent e6886ee9
Showing 4 changed files with 61 additions and 20 deletions
src/main/java/com/xly/service/FormRenderService.java
src/main/java/com/xly/service/FormResolverService.java
src/main/java/com/xly/service/LedgerService.java
src/test/java/com/xly/service/FormRenderNormalizeTest.java
@@ -271,13 +271,22 @@ public class FormRenderService {
                 n.error = "「" + value + "」不是系统里已有的" + ent + "，请从已有记录里选一个。";
                 return n;
             }
-            Map<String, Object> pick = null;
             String want = value.trim();
-            for (Map<String, Object> c : cands) { // 唯一精确同名直接命中
+            Map<String, Object> pick = null;
+            int exact = 0;
+            for (Map<String, Object> c : cands) {
                 if (want.equals(String.valueOf(c.get("name")))) {
-                    pick = pick == null ? c : pick;
+                    exact++;
+                    if (pick == null) {
+                        pick = c;
+                    }
                 }
             }
+            if (exact > 1) { // 完全同名的多条记录：名称无从区分，绝不静默绑其中一条
+                n.error = "系统里存在多条同名的「" + want + "」记录，无法按名称区分，"
+                        + "请在 ERP 里处理这条数据、或先把重名记录改名后再试。";
+                return n;
+            }
             if (pick == null && cands.size() == 1) {
                 pick = cands.get(0);
             }
@@ -494,6 +503,10 @@ public class FormRenderService {
                     custId = String.valueOf(n.stored);
                 }
             } else {
+                if (!tt.containsKey(colName)) { // 与 normalize 同款幻影列硬闸（保护交给检查，不靠策展清单）
+                    out.error = "「" + zh + "」不是可写字段，请从表单里选有效字段。";
+                    return out;
+                }
                 n = new Normalized();
                 try {
                     n.stored = resolver.coerce(tt.get(colName), v);
@@ -111,11 +111,26 @@ public class FormResolverService {
         return m;
     }
-    /** 猜该表单/表的"名称"字段（以 Name 结尾、使用最广），用于按关键词过滤 / 展示记录名。 */
+    /**
+     * 猜该表单/表的"名称"字段（以 Name 结尾、使用最广），用于按关键词过滤 / 展示记录名。
+     * 字段字典含幻影列（108 个 FK 目标表里 55 个的首选名称列不存在于物理表）——只返回物理存在的，
+     * 否则下游按不存在的列过滤/查询会把元数据问题报成「找不到记录」这类用户错误。
+     */
     public String resolveNameField(String table) {
-        return queryOne(
-                "SELECT sField FROM viw_kg_field_dict WHERE sTable=? AND sField LIKE '%Name' AND sField NOT LIKE '%NameId' " +
-                        "ORDER BY iFormUses DESC LIMIT 1", table);
+        try {
+            Map<String, String> physical = columnTypes(table);
+            List<Map<String, Object>> rows = jdbc.queryForList(
+                    "SELECT sField FROM viw_kg_field_dict WHERE sTable=? AND sField LIKE '%Name' AND sField NOT LIKE '%NameId' " +
+                            "GROUP BY sField ORDER BY SUM(iFormUses) DESC LIMIT 5", table);
+            for (Map<String, Object> r : rows) {
+                String f = String.valueOf(r.get("sField"));
+                if (physical.containsKey(f)) {
+                    return f;
+                }
+            }
+        } catch (Exception ignore) {
+        }
+        return null;
     }
     /** 按关键词形态选检索字段：形如单号（字母前缀+数字）且表有 sBillNo 列 → 用单号列；否则名称列。 */
@@ -127,13 +142,10 @@ public class FormResolverService {
         return resolveNameField(table);
     }
-    /** 同 {@link #resolveNameField}，但从 formId 出发（经表单目录找到数据源表）。 */
+    /** 同 {@link #resolveNameField}（含幻影列过滤），但从 formId 出发（经表单目录找到数据源表）。 */
     public String resolveNameFieldByFormId(String formId) {
-        return queryOne(
-                "SELECT fd.sField FROM viw_ai_useful_forms af " +
-                        "JOIN viw_kg_field_dict fd ON fd.sTable = af.sDataSource " +
-                        "WHERE af.sFormId = ? AND fd.sField LIKE '%Name' AND fd.sField NOT LIKE '%NameId' " +
-                        "ORDER BY fd.iFormUses DESC LIMIT 1", formId);
+        String table = queryOne("SELECT sDataSource FROM viw_ai_useful_forms WHERE sFormId=? LIMIT 1", formId);
+        return table == null ? null : resolveNameField(table);
     }
     // ERP 会自动注入 / 系统管理、不该让用户填的列（新增时排除）。
@@ -426,17 +438,18 @@ public class FormResolverService {
         }
         int cap = Math.max(1, Math.min(limit, 10));
         boolean tenantScoped = columnTypes(fkTable).containsKey("sBrandsId");
+        // LIKE 通配转义（用户原话里的 %/_ 不是通配符）；sId 兜底排序保证预览与保存两次解析确定同序
+        String pattern = "%" + name.trim().replace("\\", "\\\\").replace("%", "\\%").replace("_", "\\_") + "%";
+        String orderBy = " ORDER BY CHAR_LENGTH(`" + nameField + "`) ASC, sId ASC LIMIT " + cap;
         try {
             List<Map<String, Object>> rows;
             if (!tenantScoped) {
                 // 无租户列 = 全局基础表（如字典类）
                 rows = jdbc.queryForList("SELECT sId, `" + nameField + "` AS name FROM `" + fkTable +
-                                "` WHERE `" + nameField + "` LIKE ? ORDER BY CHAR_LENGTH(`" + nameField + "`) ASC LIMIT " + cap,
-                        "%" + name.trim() + "%");
+                        "` WHERE `" + nameField + "` LIKE ?" + orderBy, pattern);
             } else {
                 rows = jdbc.queryForList("SELECT sId, `" + nameField + "` AS name FROM `" + fkTable +
-                                "` WHERE sBrandsId=? AND `" + nameField + "` LIKE ? ORDER BY CHAR_LENGTH(`" + nameField + "`) ASC LIMIT " + cap,
-                        brand, "%" + name.trim() + "%");
+                        "` WHERE sBrandsId=? AND `" + nameField + "` LIKE ?" + orderBy, brand, pattern);
             }
             return rows;
         } catch (Exception e) {
@@ -209,10 +209,13 @@ public class LedgerService {
                 return List.of();
             }
             Collections.reverse(out);
-            try { // 回填热缓存（尽力而为，恒为全量窗口）
+            try { // 回填热缓存（尽力而为，恒为全量窗口）；warm 锁防并发双回填把整段会话推两遍
                 String key = PREFIX + convId;
-                redis.opsForList().rightPushAll(key, out);
-                redis.expire(key, TTL);
+                if (Boolean.TRUE.equals(redis.opsForValue().setIfAbsent(key + ":warm", "1", Duration.ofSeconds(15)))
+                        && !Boolean.TRUE.equals(redis.hasKey(key))) {
+                    redis.opsForList().rightPushAll(key, out);
+                    redis.expire(key, TTL);
+                }
             } catch (Exception ignore) {
             }
             return lastN > 0 && out.size() > lastN ? out.subList(out.size() - lastN, out.size()) : out;
@@ -50,6 +50,18 @@ class FormRenderNormalizeTest {
     }
     @Test
+    void duplicateExactNamesAreRejectedNotFirstPicked() {
+        // 本地库实证：同品牌下「普通彩盒」有 10 条——完全同名时名称无从区分，绝不静默绑第一条
+        FormResolverService r = resolverWith(Map.of("sProductId", "varchar"), List.of(
+                Map.of("sId", "prodA", "name", "普通彩盒"),
+                Map.of("sId", "prodB", "name", "普通彩盒")));
+        FormRenderService.Normalized n = svc(r).normalize("t", "sProductId", "eleproduct", "产品名称", "普通彩盒", WHO);
+        assertNotNull(n.error, "同名多条必须报错——shown 恰好等于原话，卡片看不出绑错了谁");
+        assertTrue(n.error.contains("同名"));
+        assertNull(n.stored);
+    }
+
+    @Test
     void exactNameWinsOverShorterFuzzyMatches() {
         FormResolverService r = resolverWith(Map.of("sCustomerId", "varchar"), List.of(
                 Map.of("sId", "idShort", "name", "印刷"),