dongjoon-hyun opened a new pull request #29160:
URL: https://github.com/apache/spark/pull/29160
### What changes were proposed in this pull request?
This PR aims to make `load/save` and its variant
`parquet/orc/csv/json/text/avro` to respect its `path` argument always.
### Why are the changes needed?
Like the following, DataFrame's `option/options` have been non-deterministic
in terms of case-insensitivity because it stores the options into
`extraOptions` which is `HashMap`.
```
spark.read
.option("paTh", "1")
.option("PATH", "2")
.option("Path", "3")
.option("patH", "4")
.parquet("5")
...
org.apache.spark.sql.AnalysisException: Path does not exist:
file:/Users/dongjoon/APACHE/spark-release/spark-3.0.0-bin-hadoop3.2/1;
```
Although we have been preserve the behavior, we had better make the direct
argument `path` override the existing options.
### Does this PR introduce _any_ user-facing change?
Yes. However, this is a bug fix for the really misleading case.
### How was this patch tested?
Pass the Jenkins or GitHub Action with newly added test cases.
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