修复:统一查询方法的返回顺序为索引递增
重要变更: - QueryOldest 和 QueryNewest 现在都返回按索引递增排序的结果 - 移除了 QueryNewest 中的结果反转操作(line 184-187) 方法行为说明: - QueryOldest(startIndex, count): 从 startIndex 向索引递增方向查询 - QueryNewest(endIndex, count): 从 endIndex 向索引递减方向查询 - 两者返回结果都按索引递增方向排序(一致性) 更新内容: 1. query.go: - 移除 QueryNewest 的反转操作 - 更新两个方法的注释 2. topic_processor.go: 更新注释与实现一致 3. seqlog_test.go: 更新测试预期结果 4. example/index/main.go: 更新注释和输出说明 测试验证: - 所有测试通过(go test ./... -short) - 示例编译成功 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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@@ -1246,7 +1246,7 @@ func TestRecordQuery(t *testing.T) {
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t.Errorf("expected status Processing, got %s", status)
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}
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// 测试向后查询(查询更早的记录,返回倒序)
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// 测试向后查询(查询更早的记录,返回按索引递增排序)
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backResults, err := query.QueryNewest(startIdx-1, 3)
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if err != nil {
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t.Fatalf("failed to query backward: %v", err)
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@@ -1254,14 +1254,14 @@ func TestRecordQuery(t *testing.T) {
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if len(backResults) != 3 {
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t.Errorf("expected 3 backward results, got %d", len(backResults))
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}
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// 向后查询返回倒序结果(newest first)
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expectedBack := []string{"message 4", "message 3", "message 2"}
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// 向后查询返回按索引递增排序的结果
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expectedBack := []string{"message 2", "message 3", "message 4"}
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for i, rec := range backResults {
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if string(rec.Data) != expectedBack[i] {
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t.Errorf("backward[%d]: expected '%s', got '%s'", i, expectedBack[i], string(rec.Data))
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}
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// 手动判断状态:索引 4, 3, 2
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recStatus := GetRecordStatus(startIdx-1-i, startIdx, endIdx)
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// 手动判断状态:索引 2, 3, 4
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recStatus := GetRecordStatus(startIdx-3+i, startIdx, endIdx)
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if recStatus != StatusProcessed {
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t.Errorf("backward[%d]: expected status Processed, got %s", i, recStatus)
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}
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@@ -1799,9 +1799,9 @@ func TestQueryOldestNewest(t *testing.T) {
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if len(newest) != 3 {
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t.Errorf("expected 3 records, got %d", len(newest))
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}
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// 验证顺序:应该是 9, 8, 7(倒序)
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// 验证顺序:应该是 7, 8, 9(按索引递增)
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for i := 0; i < 3; i++ {
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expected := fmt.Sprintf("message %d", 9-i)
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expected := fmt.Sprintf("message %d", 7+i)
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if string(newest[i].Record.Data) != expected {
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t.Errorf("newest[%d]: expected %s, got %s", i, expected, string(newest[i].Record.Data))
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}
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