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Oct 13, 2025
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[pull] main from databendlabs:main #212

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23 changes: 23 additions & 0 deletions docs/en/sql-reference/00-sql-reference/31-system-tables/system-copy-history.md
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---
title: system.copy_history
---

import FunctionDescription from '@site/src/components/FunctionDescription';

<FunctionDescription description="Introduced or updated: v1.2.823"/>

Contains information about copy history.

```sql
select * from copy_history('abc');

╭──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│ file_name │ content_length │ last_modified │ etag │
│ String │ UInt64 │ Nullable(Timestamp) │ Nullable(String) │
├─────────────────────────────────────────────────────────────┼────────────────┼────────────────────────────┼──────────────────┤
│ data_0199db4c843a70b2b81f115f01c8de97_0000_00000000.parquet │ 10531 │ 2025-10-13 02:00:49.083208 │ NULL │
╰──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
```

Note that, the results of `system.copy_history` is respected by settings `load_file_metadata_expire_hours` which is 24 hours by default.

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