pan3793 commented on PR #7733:
URL: https://github.com/apache/iceberg/pull/7733#issuecomment-1567846409
> ```
> set spark.datasource.iceberg.locality=false; -- works only for DataFrame
> set spark.sql.iceberg.locality.enabled=false; -- works both DataFrame and
Spark SQL
> ```
The division is not true, the key point here is where the table is loaded
through TableProvider or CatalogPlugin.
1. table loaded through TableProvider examples
- DataFrame cases
```
spark.read.format("iceberg").xxx
df.write.format("iceberg").xxx
```
- SQL cases
```
create table t_iceberg (...) using iceberg;
select ... from t_iceberg;
insert into t_iceberg select ...;
```
2. table loaded through CatalogPlugin
Assume `iceberg` catalog is pre-setup properly
- DataFrame cases
```
spark.table("iceberg.db.tbl")...
df.writeTo.("iceberg.db.tbl")...
```
- SQL cases
```
select ... from iceberg.db.tbl;
insert into iceberg.db.tbl select ...;
```
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