Update datafusion/core/src/datasource/file_format/csv.rs

Co-authored-by: Andrew Lamb <[email protected]>
apache · Nov 3, 2024 · a6224b3 · a6224b3
1 parent d76c7b7
commit a6224b3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/datafusion/core/src/datasource/file_format/csv.rs b/datafusion/core/src/datasource/file_format/csv.rs
@@ -456,6 +456,7 @@ impl CsvFormat {
                             .unwrap_or(state.config_options().catalog.has_header),
                 )
                 .with_delimiter(self.options.delimiter)
+                // Support literal NULL or empty string as null
                 .with_null_regex(Regex::new(r"^NULL$|^$").unwrap());
 
             if let Some(comment) = self.options.comment {