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Factor removal of document from DB

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This commit is contained in:
Louis Dureuil 2023-11-13 13:51:22 +01:00
parent 378deb0bef
commit 772964125d
No known key found for this signature in database
1 changed files with 56 additions and 87 deletions
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143
milli/src/update/index_documents/transform.rs
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@ -421,52 +421,13 @@ impl<'a, 'i> Transform<'a, 'i> {
// Then we push the document in sorters in deletion mode.
let deleted_from_db = match external_documents_ids.get(wtxn, &to_remove)? {
Some(docid) => {
self.replaced_documents_ids.insert(docid);
// fetch the obkv document
let original_key = BEU32::new(docid);
let base_obkv = self
.index
.documents
.remap_data_type::<heed::types::ByteSlice>()
.get(wtxn, &original_key)?
.ok_or(InternalError::DatabaseMissingEntry {
db_name: db_name::DOCUMENTS,
key: None,
})?;
// Key is the concatenation of the internal docid and the external one.
document_sorter_key_buffer.clear();
document_sorter_key_buffer.extend_from_slice(&docid.to_be_bytes());
document_sorter_key_buffer.extend_from_slice(to_remove.as_bytes());
// push it as to delete in the original_sorter
document_sorter_value_buffer.clear();
document_sorter_value_buffer.push(Operation::Deletion as u8);
into_del_add_obkv(
KvReaderU16::new(base_obkv),
true,
false,
self.remove_document_from_db(
docid,
to_remove,
wtxn,
&mut document_sorter_key_buffer,
&mut document_sorter_value_buffer,
)?;
self.original_sorter
.insert(&document_sorter_key_buffer, &document_sorter_value_buffer)?;
// flatten it and push it as to delete in the flattened_sorter
let flattened_obkv = KvReader::new(base_obkv);
if let Some(obkv) = self.flatten_from_fields_ids_map(flattened_obkv)? {
// we recreate our buffer with the flattened documents
document_sorter_value_buffer.clear();
document_sorter_value_buffer.push(Operation::Deletion as u8);
into_del_add_obkv(
KvReaderU16::new(&obkv),
true,
false,
&mut document_sorter_value_buffer,
)?;
}
self.flattened_sorter
.insert(docid.to_be_bytes(), &document_sorter_value_buffer)?;
true
}
None => false,
@ -508,55 +469,18 @@ impl<'a, 'i> Transform<'a, 'i> {
let mut document_sorter_key_buffer = Vec::new();
let external_ids = self.index.external_id_of(wtxn, to_remove.iter())?;
for (to_remove, external_docid) in to_remove.iter().zip(external_ids) {
for (internal_docid, external_docid) in to_remove.iter().zip(external_ids) {
let external_docid = external_docid?;
if should_abort() {
return Err(Error::InternalError(InternalError::AbortedIndexation));
}
self.replaced_documents_ids.insert(to_remove);
// fetch the obkv document
let original_key = BEU32::new(to_remove);
let base_obkv = self
.index
.documents
.remap_data_type::<heed::types::ByteSlice>()
.get(wtxn, &original_key)?
.ok_or(InternalError::DatabaseMissingEntry {
db_name: db_name::DOCUMENTS,
key: None,
})?;
// Key is the concatenation of the internal docid and the external one.
document_sorter_key_buffer.clear();
document_sorter_key_buffer.extend_from_slice(&to_remove.to_be_bytes());
document_sorter_key_buffer.extend_from_slice(external_docid.as_bytes());
// push it as to delete in the original_sorter
document_sorter_value_buffer.clear();
document_sorter_value_buffer.push(Operation::Deletion as u8);
into_del_add_obkv(
KvReaderU16::new(base_obkv),
true,
false,
self.remove_document_from_db(
internal_docid,
external_docid,
wtxn,
&mut document_sorter_key_buffer,
&mut document_sorter_value_buffer,
)?;
self.original_sorter
.insert(&document_sorter_key_buffer, &document_sorter_value_buffer)?;
// flatten it and push it as to delete in the flattened_sorter
let flattened_obkv = KvReader::new(base_obkv);
if let Some(obkv) = self.flatten_from_fields_ids_map(flattened_obkv)? {
// we recreate our buffer with the flattened documents
document_sorter_value_buffer.clear();
document_sorter_value_buffer.push(Operation::Deletion as u8);
into_del_add_obkv(
KvReaderU16::new(&obkv),
true,
false,
&mut document_sorter_value_buffer,
)?;
}
self.flattened_sorter.insert(to_remove.to_be_bytes(), &document_sorter_value_buffer)?;
documents_deleted += 1;
}
@ -564,6 +488,51 @@ impl<'a, 'i> Transform<'a, 'i> {
Ok(documents_deleted)
}
fn remove_document_from_db(
&mut self,
internal_docid: u32,
external_docid: String,
txn: &heed::RoTxn,
document_sorter_key_buffer: &mut Vec<u8>,
document_sorter_value_buffer: &mut Vec<u8>,
) -> Result<()> {
self.replaced_documents_ids.insert(internal_docid);
// fetch the obkv document
let original_key = BEU32::new(internal_docid);
let base_obkv = self
.index
.documents
.remap_data_type::<heed::types::ByteSlice>()
.get(txn, &original_key)?
.ok_or(InternalError::DatabaseMissingEntry {
db_name: db_name::DOCUMENTS,
key: None,
})?;
// Key is the concatenation of the internal docid and the external one.
document_sorter_key_buffer.clear();
document_sorter_key_buffer.extend_from_slice(&internal_docid.to_be_bytes());
document_sorter_key_buffer.extend_from_slice(external_docid.as_bytes());
// push it as to delete in the original_sorter
document_sorter_value_buffer.clear();
document_sorter_value_buffer.push(Operation::Deletion as u8);
into_del_add_obkv(KvReaderU16::new(base_obkv), true, false, document_sorter_value_buffer)?;
self.original_sorter.insert(&document_sorter_key_buffer, &document_sorter_value_buffer)?;
// flatten it and push it as to delete in the flattened_sorter
let flattened_obkv = KvReader::new(base_obkv);
if let Some(obkv) = self.flatten_from_fields_ids_map(flattened_obkv)? {
// we recreate our buffer with the flattened documents
document_sorter_value_buffer.clear();
document_sorter_value_buffer.push(Operation::Deletion as u8);
into_del_add_obkv(KvReaderU16::new(&obkv), true, false, document_sorter_value_buffer)?;
}
self.flattened_sorter
.insert(internal_docid.to_be_bytes(), &document_sorter_value_buffer)?;
Ok(())
}
// Flatten a document from the fields ids map contained in self and insert the new
// created fields. Returns `None` if the document doesn't need to be flattened.
fn flatten_from_fields_ids_map(&mut self, obkv: KvReader<FieldId>) -> Result<Option<Vec<u8>>> {