KnightChess commented on issue #3299:
URL: https://github.com/apache/iceberg/issues/3299#issuecomment-947707026
```java
table.newAppend().appendFile(dataFile).commit();
```
It only update metadata when you commit it. won't mv parquet file to default
data directory.
like: if the parquet file in /usr/data/xxx.parquet, the metadata manifect
file will add datafile uri to /usr/data/xxx.parquet, etc. if the parquet file
in /tmp/my/xxx.parquet, the metadata manifect file will add datafile uri to
/tmp/my/xxx.parquet. won't mv the parquet file to
/user/hive/warehouse/claims_sys.db/SUBSCRIBER/data/xxx.parquet.
so, you can make a data directory and mv datafile to the data directory.
or, like @fengguangyuan say, before ```java
table.newAppend().appendFile(dataFile).commit(); ``` update datafile, you need
```java spark.read().parquet("/path.parquet").writeTo("SUBSCRIBER"); ``` it may
mv data file to the target directory
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