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improve the reserved keyword error message for the filters

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This commit is contained in:
Tamo 2021-09-30 12:28:40 +02:00
parent 22551d0941
commit 0ee67bb7d1
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GPG Key ID: 20CD8020AFA88D69
2 changed files with 79 additions and 20 deletions
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97
milli/src/search/facet/filter_condition.rs
View File

@ -600,24 +600,33 @@ fn field_id(
// lexing ensures that we at least have a key
let key = items.next().unwrap();
if key.as_rule() == Rule::reserved {
return Err(PestError::new_from_span(
ErrorVariant::CustomError {
message: format!(
"`{}` is a reserved keyword and therefore can't be used as a filter expression. \
Available filterable attributes are: {}",
key.as_str(),
filterable_fields.iter().join(", "),
),
},
key.as_span(),
));
let message = match key.as_str() {
key if key.starts_with("_geoPoint") => {
format!(
"`_geoPoint` is a reserved keyword and thus can't be used as a filter expression. \
Use the `_geoRadius(latitude, longitude, distance)` built-in rule to filter on `_geo` field coordinates.",
)
}
key @ "_geo" => {
format!(
"`{}` is a reserved keyword and thus can't be used as a filter expression. \
Use the `_geoRadius(latitude, longitude, distance)` built-in rule to filter on `_geo` field coordinates.",
key
)
}
key => format!(
"`{}` is a reserved keyword and thus can't be used as a filter expression.",
key
),
};
return Err(PestError::new_from_span(ErrorVariant::CustomError { message }, key.as_span()));
}
if !filterable_fields.contains(key.as_str()) {
return Err(PestError::new_from_span(
ErrorVariant::CustomError {
message: format!(
"attribute `{}` is not filterable, available filterable attributes are: {}",
"attribute `{}` is not filterable, available filterable attributes are: {}.",
key.as_str(),
filterable_fields.iter().join(", "),
),
@ -688,13 +697,6 @@ mod tests {
let condition = FilterCondition::from_str(&rtxn, &index, "NOT channel = ponce").unwrap();
let expected = Operator(0, Operator::NotEqual(None, S("ponce")));
assert_eq!(condition, expected);
let result = FilterCondition::from_str(&rtxn, &index, "_geo = France");
assert!(result.is_err());
let error = result.unwrap_err();
assert!(error.to_string().contains(
"`_geo` is a reserved keyword and therefore can't be used as a filter expression."
));
}
#[test]
@ -777,6 +779,49 @@ mod tests {
assert_eq!(condition, expected);
}
#[test]
fn reserved_field_names() {
let path = tempfile::tempdir().unwrap();
let mut options = EnvOpenOptions::new();
options.map_size(10 * 1024 * 1024); // 10 MB
let index = Index::new(options, &path).unwrap();
let rtxn = index.read_txn().unwrap();
let error = FilterCondition::from_str(&rtxn, &index, "_geo = 12").unwrap_err();
assert!(error
.to_string()
.contains("`_geo` is a reserved keyword and thus can't be used as a filter expression. Use the `_geoRadius(latitude, longitude, distance)` built-in rule to filter on `_geo` field coordinates."),
"{}",
error.to_string()
);
let error =
FilterCondition::from_str(&rtxn, &index, r#"_geoDistance <= 1000"#).unwrap_err();
assert!(error
.to_string()
.contains("`_geoDistance` is a reserved keyword and thus can't be used as a filter expression."),
"{}",
error.to_string()
);
let error = FilterCondition::from_str(&rtxn, &index, r#"_geoPoint > 5"#).unwrap_err();
assert!(error
.to_string()
.contains("`_geoPoint` is a reserved keyword and thus can't be used as a filter expression. Use the `_geoRadius(latitude, longitude, distance)` built-in rule to filter on `_geo` field coordinates."),
"{}",
error.to_string()
);
let error =
FilterCondition::from_str(&rtxn, &index, r#"_geoPoint(12, 16) > 5"#).unwrap_err();
assert!(error
.to_string()
.contains("`_geoPoint` is a reserved keyword and thus can't be used as a filter expression. Use the `_geoRadius(latitude, longitude, distance)` built-in rule to filter on `_geo` field coordinates."),
"{}",
error.to_string()
);
}
#[test]
fn geo_radius() {
let path = tempfile::tempdir().unwrap();
@ -788,6 +833,20 @@ mod tests {
let mut wtxn = index.write_txn().unwrap();
let mut builder = Settings::new(&mut wtxn, &index, 0);
builder.set_searchable_fields(vec![S("_geo"), S("price")]); // to keep the fields order
builder.execute(|_, _| ()).unwrap();
wtxn.commit().unwrap();
let rtxn = index.read_txn().unwrap();
// _geo is not filterable
let result = FilterCondition::from_str(&rtxn, &index, "_geoRadius(12, 12, 10)");
assert!(result.is_err());
let error = result.unwrap_err();
assert!(error
.to_string()
.contains("attribute `_geo` is not filterable, available filterable attributes are:"),);
let mut wtxn = index.write_txn().unwrap();
let mut builder = Settings::new(&mut wtxn, &index, 0);
builder.set_filterable_fields(hashset! { S("_geo"), S("price") });
builder.execute(|_, _| ()).unwrap();
wtxn.commit().unwrap();

2
milli/src/search/facet/grammar.pest
View File

@ -8,7 +8,7 @@ char = _{ !(PEEK | "\\") ~ ANY
| "\\" ~ (PEEK | "\\" | "/" | "b" | "f" | "n" | "r" | "t")
| "\\" ~ ("u" ~ ASCII_HEX_DIGIT{4})}
reserved = { "_geo" | "_geoDistance" | "_geoPoint" | ("_geoPoint" ~ parameters) }
reserved = { "_geoDistance" | ("_geoPoint" ~ parameters) | "_geo" }
// we deliberately choose to allow empty parameters to generate more specific error message later
parameters = {("(" ~ (value ~ ",")* ~ value? ~ ")") | ""}
condition = _{between | eq | greater | less | geq | leq | neq}