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add exact attributes documentation

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ad hoc 2022-04-05 14:10:22 +02:00
parent b85cd4983e
commit 5cfd3d8407
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milli/src/index.rs
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@ -964,6 +964,7 @@ impl Index {
Ok(()) Ok(())
} }
/// Returns the exact attributes: attributes for which typo is disallowed.
pub fn exact_attributes<'t>(&self, txn: &'t RoTxn) -> Result<Vec<&'t str>> { pub fn exact_attributes<'t>(&self, txn: &'t RoTxn) -> Result<Vec<&'t str>> {
Ok(self Ok(self
.main .main
@ -971,17 +972,20 @@ impl Index {
.unwrap_or_default()) .unwrap_or_default())
} }
/// Returns the list of exact attributes field ids.
pub fn exact_attributes_ids(&self, txn: &RoTxn) -> Result<HashSet<FieldId>> { pub fn exact_attributes_ids(&self, txn: &RoTxn) -> Result<HashSet<FieldId>> {
let attrs = self.exact_attributes(txn)?; let attrs = self.exact_attributes(txn)?;
let fid_map = self.fields_ids_map(txn)?; let fid_map = self.fields_ids_map(txn)?;
Ok(attrs.iter().filter_map(|attr| fid_map.id(attr)).collect()) Ok(attrs.iter().filter_map(|attr| fid_map.id(attr)).collect())
} }
/// Writes the exact attributes to the database.
pub(crate) fn put_exact_attributes(&self, txn: &mut RwTxn, attrs: &[&str]) -> Result<()> { pub(crate) fn put_exact_attributes(&self, txn: &mut RwTxn, attrs: &[&str]) -> Result<()> {
self.main.put::<_, Str, SerdeBincode<&[&str]>>(txn, main_key::EXACT_ATTRIBUTES, &attrs)?; self.main.put::<_, Str, SerdeBincode<&[&str]>>(txn, main_key::EXACT_ATTRIBUTES, &attrs)?;
Ok(()) Ok(())
} }
/// Clears the exact attributes from the store.
pub(crate) fn delete_exact_attributes(&self, txn: &mut RwTxn) -> Result<()> { pub(crate) fn delete_exact_attributes(&self, txn: &mut RwTxn) -> Result<()> {
self.main.delete::<_, Str>(txn, main_key::EXACT_ATTRIBUTES)?; self.main.delete::<_, Str>(txn, main_key::EXACT_ATTRIBUTES)?;
Ok(()) Ok(())