xudong963 commented on a change in pull request #1050:
URL: https://github.com/apache/arrow-datafusion/pull/1050#discussion_r716133547
##########
File path: datafusion/src/physical_plan/csv.rs
##########
@@ -263,12 +264,20 @@ impl CsvExec {
filenames: &[String],
options: &CsvReadOptions,
) -> Result<Schema> {
- Ok(csv::infer_schema_from_files(
- filenames,
- options.delimiter,
- Some(options.schema_infer_max_records),
- options.has_header,
- )?)
+ let mut schemas = Vec::new();
+ for filename in filenames {
Review comment:
Good sight! I deep into `csv::infer_schema_from_files` and find them
nearly do the same thing.
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