DKER2 commented on code in PR #11232:
URL: https://github.com/apache/arrow-rs/pull/11232#discussion_r4371202530
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parquet-variant/src/utils.rs:
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@@ -243,26 +243,33 @@ fn parse_in_bracket(s: &str, i: usize) ->
Result<(VariantPathElement<'_>, usize)
match c {
// Escape: take next char literally
'\\' => {
+ let unescaped =
+ unescaped.get_or_insert_with(||
String::from(&s[start..start + offset]));
if let Some((_, next)) = chars.next() {
unescaped.push(next);
}
// Trailing backslash will be handled as 'unclosed [' below
}
'\'' | '"' if quote == Some(c) => {
quote = None;
- unescaped.push(c);
+ if let Some(unescaped) = &mut unescaped {
+ unescaped.push(c);
Review Comment:
a case like ['abc\]xyz'] need this
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