update

src/admin/problem/components/SQLTestcaseEditor.vue

@@ -51,11 +51,16 @@ const isGenerating = ref(false)
 const hasAnyScript = computed(() => scripts.value.some((s) => s.sql.trim()))
 const hasBlankScript = computed(() => scripts.value.some((s) => !s.sql.trim()))
 
+const filledCount = computed(
+  () => scripts.value.filter((s) => s.sql.trim()).length,
+)
+
 const canUpload = computed(() => {
   const filled = scripts.value.filter((s) => s.sql.trim())
   return (
     !isPreviewing.value &&
-    filled.length > 0 &&
+    // 至少 2 个数据不同的测试点，防止学生对照题目页的期望结果硬编码
+    filled.length >= 2 &&
     filled.every((s) => s.display && !s.error && !s.stale)
   )
 })
@@ -241,7 +246,11 @@ async function upload() {
             </n-button>
           </span>
         </template>
-        所有脚本预览验证通过后才能上传
+        {{
+          filledCount < 2
+            ? "SQL 题至少需要 2 个数据不同的测试点，防止硬编码期望结果"
+            : "所有脚本预览验证通过后才能上传"
+        }}
       </n-tooltip>
     </n-flex>
 

src/shared/extensions/autocompletion.ts

@@ -5,6 +5,7 @@ import type {
   CompletionSource,
 } from "@codemirror/autocomplete"
 import type { EditorView } from "@codemirror/view"
+import { useProblemStore } from "oj/store/problem"
 import type { LANGUAGE } from "utils/types"
 import { c } from "./c"
 import { python } from "./python"
@@ -22,6 +23,30 @@ const chineseAnnotations: Record<string, ChineseCompletion[]> = {
   sql,
 }
 
+// SQL 题：当前题目的表名和字段名补全，数据来自 sql_display
+function sqlSchemaCompletions(): Completion[] {
+  const tables = useProblemStore().problem?.sql_display?.tables ?? []
+  return tables.flatMap((table) => [
+    {
+      label: table.name,
+      detail: "数据表",
+      type: "class",
+      info: `字段：${table.columns
+        .map((col) => (col.type ? `${col.name} ${col.type}` : col.name))
+        .join(", ")}`,
+      boost: 110,
+    },
+    ...table.columns.map((col) => ({
+      label: col.name,
+      detail: col.type
+        ? `${table.name} 的字段 · ${col.type}`
+        : `${table.name} 的字段`,
+      type: "property",
+      boost: 105,
+    })),
+  ])
+}
+
 export function enhanceCompletion(language: LANGUAGE): CompletionSource {
   return async function (
     context: CompletionContext,
@@ -69,6 +94,10 @@ export function enhanceCompletion(language: LANGUAGE): CompletionSource {
       return completion
     })
 
+    if (trulyLanguage === "sql") {
+      completions.push(...sqlSchemaCompletions())
+    }
+
     return {
       from: word ? word.from : context.pos,
       options: completions,