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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/06/10 09:36:23 UTC
[GitHub] [arrow] svenwb commented on a change in pull request #7379: ARROW-9062 [RUST] json reader dictionary support
svenwb commented on a change in pull request #7379:
URL: https://github.com/apache/arrow/pull/7379#discussion_r437992880
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File path: rust/arrow/src/json/reader.rs
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@@ -448,42 +453,55 @@ impl<R: Read> Reader<R> {
let mut builder = ListBuilder::new(values_builder);
for row in rows {
if let Some(value) = row.get(field.name()) {
- // value can be an array or a scalar
- let vals: Vec<Option<String>> = if let Value::String(v) = value {
- vec![Some(v.to_string())]
- } else if let Value::Array(n) = value {
- n.iter().map(|v: &Value| {
- if v.is_string() {
- Some(v.as_str().unwrap().to_string())
- } else if v.is_array() || v.is_object() {
- // implicitly drop nested values
- // TODO support deep-nesting
- None
- } else {
- Some(v.to_string())
- }
- }).collect()
- } else if let Value::Null = value {
- vec![None]
- } else if !value.is_object() {
- vec![Some(value.to_string())]
+ // value can be an array or a scalar
Review comment:
This was only changed by the formatter
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