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comments the geoboundingbox + forbid the usage of the lexeme method which could introduce bugs

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This commit is contained in:
Tamo 2023-02-06 11:36:49 +01:00
parent fcb09ccc3d
commit d27007005e
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2 changed files with 17 additions and 1 deletions
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5
filter-parser/src/lib.rs
View File

@ -88,10 +88,15 @@ impl<'a> Token<'a> {
Self { span, value }
}
/// Returns the string contained in the span of the `Token`.
/// This is only useful in the tests. You should always use
/// the value.
#[cfg(test)]
pub fn lexeme(&self) -> &str {
&self.span
}
/// Return the string contained in the token.
pub fn value(&self) -> &str {
self.value.as_ref().map_or(&self.span, |value| value)
}

13
milli/src/search/facet/filter.rs
View File

@ -294,7 +294,7 @@ impl<'a> Filter<'a> {
Ok(RoaringBitmap::new())
}
} else {
match fid.lexeme() {
match fid.value() {
attribute @ "_geo" => {
Err(fid.as_external_error(FilterError::BadGeo(attribute)))?
}
@ -412,6 +412,12 @@ impl<'a> Filter<'a> {
.as_external_error(FilterError::BadGeoLng(bottom_right[1])))?;
}
// Instead of writing a custom `GeoBoundingBox` filter we're simply going to re-use the range
// filter to create the following filter;
// `_geo.lat {top_left[0]} TO {bottom_right[0]} AND _geo.lng {top_left[1]} TO {bottom_right[1]}`
// As we can see, we need to use a bunch of tokens that doesn't exists in the original filter,
// thus we're going to create tokens that points to a random spans but contains our text.
let geo_lat_token =
Token::new(top_left_point[0].original_span(), Some("_geo.lat".to_string()));
@ -432,6 +438,11 @@ impl<'a> Filter<'a> {
let geo_lng_token =
Token::new(top_left_point[1].original_span(), Some("_geo.lng".to_string()));
let selected_lng = if top_left[1] > bottom_right[1] {
// In this case the bounding box is wrapping around the earth (going from 180 to -180).
// We need to update the lng part of the filter from;
// `_geo.lng {top_left[1]} TO {bottom_right[1]}` to
// `_geo.lng {top_left[1]} TO 180 AND _geo.lng -180 TO {bottom_right[1]}`
let min_lng_token = Token::new(
top_left_point[1].original_span(),
Some("-180.0".to_string()),