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yariks5s 2023-09-27 19:02:01 +00:00
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docs/en/sql-reference/table-functions/s3.md
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@ -162,6 +162,11 @@ The below get data from all `test-data.csv.gz` files from any folder inside `my-
SELECT * FROM s3('https://clickhouse-public-datasets.s3.amazonaws.com/my-test-bucket-768/**/test-data.csv.gz', 'CSV', 'name String, value UInt32', 'gzip');
```
Note. Also possible:
``` sql
SELECT * FROM s3('s3://clickhouse-public-datasets/my-test-bucket-768/**/test-data.csv.gz', 'CSV', 'name String, value UInt32', 'gzip');
```
## Partitioned Write
If you specify `PARTITION BY` expression when inserting data into `S3` table, a separate file is created for each partition value. Splitting the data into separate files helps to improve reading operations efficiency.