fix(dataset): accept empty/single-row backup CSV import (#7491) - #7590
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c121914yu merged 2 commits intoAug 25, 2026
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When a dataset has no data rows (or a single chunk), the exporter (exportAll.ts / collection/export.ts) generates a header-only or one-line CSV. papaparse then emits a Delimiter/UndetectableDelimiter hint because it cannot infer the delimiter from multiple rows, which made parseDatasetImportFile reject valid backups with 'Invalid dataset import content'. Parse with skipEmptyLines: 'greedy' to skip that benign hint while still rejecting real structural errors (e.g. MissingQuotes).
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✅ Build and publish successful - Preview fastgpt Image: 🕒 Time: 2026-08-25 22:13:41 (UTC+8) |
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问题
Issue #7491:知识库导出分块后,用模板导入和备份导入都失败(私有部署 4.14 / 4.15 均存在)。
根因
导出方(
projects/app/src/pages/api/core/dataset/exportAll.ts与collection/export.ts)在以下场景会生成只有表头(或仅一行数据)的 CSV:此时
papaparse无法从多行数据推断分隔符,会抛出Delimiter/UndetectableDelimiter的提示性错误(数据本身未损坏)。而parseDatasetImportFile将任何errors.length > 0一律视为内容非法直接 reject,导致这些导出的备份无法重新导入。修复
在
packages/service/core/dataset/importFile.ts的Papa.parse增加skipEmptyLines: 'greedy':UndetectableDelimiter提示性错误MissingQuotes引号未闭合)的拒绝行为测试
packages/service全量测试:330 文件 / 3897 测试通过,无回归