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Factor removal of document from DB

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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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107
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. // Then we push the document in sorters in deletion mode.
let deleted_from_db = match external_documents_ids.get(wtxn, &to_remove)? { let deleted_from_db = match external_documents_ids.get(wtxn, &to_remove)? {
Some(docid) => { Some(docid) => {
self.replaced_documents_ids.insert(docid); self.remove_document_from_db(
docid,
// fetch the obkv document to_remove,
let original_key = BEU32::new(docid); wtxn,
let base_obkv = self &mut document_sorter_key_buffer,
.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,
&mut document_sorter_value_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 true
} }
None => false, None => false,
@ -508,20 +469,42 @@ impl<'a, 'i> Transform<'a, 'i> {
let mut document_sorter_key_buffer = Vec::new(); let mut document_sorter_key_buffer = Vec::new();
let external_ids = self.index.external_id_of(wtxn, to_remove.iter())?; 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?; let external_docid = external_docid?;
if should_abort() { if should_abort() {
return Err(Error::InternalError(InternalError::AbortedIndexation)); return Err(Error::InternalError(InternalError::AbortedIndexation));
} }
self.replaced_documents_ids.insert(to_remove); self.remove_document_from_db(
internal_docid,
external_docid,
wtxn,
&mut document_sorter_key_buffer,
&mut document_sorter_value_buffer,
)?;
documents_deleted += 1;
}
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 // fetch the obkv document
let original_key = BEU32::new(to_remove); let original_key = BEU32::new(internal_docid);
let base_obkv = self let base_obkv = self
.index .index
.documents .documents
.remap_data_type::<heed::types::ByteSlice>() .remap_data_type::<heed::types::ByteSlice>()
.get(wtxn, &original_key)? .get(txn, &original_key)?
.ok_or(InternalError::DatabaseMissingEntry { .ok_or(InternalError::DatabaseMissingEntry {
db_name: db_name::DOCUMENTS, db_name: db_name::DOCUMENTS,
key: None, key: None,
@ -529,19 +512,13 @@ impl<'a, 'i> Transform<'a, 'i> {
// Key is the concatenation of the internal docid and the external one. // Key is the concatenation of the internal docid and the external one.
document_sorter_key_buffer.clear(); document_sorter_key_buffer.clear();
document_sorter_key_buffer.extend_from_slice(&to_remove.to_be_bytes()); document_sorter_key_buffer.extend_from_slice(&internal_docid.to_be_bytes());
document_sorter_key_buffer.extend_from_slice(external_docid.as_bytes()); document_sorter_key_buffer.extend_from_slice(external_docid.as_bytes());
// push it as to delete in the original_sorter // push it as to delete in the original_sorter
document_sorter_value_buffer.clear(); document_sorter_value_buffer.clear();
document_sorter_value_buffer.push(Operation::Deletion as u8); document_sorter_value_buffer.push(Operation::Deletion as u8);
into_del_add_obkv( into_del_add_obkv(KvReaderU16::new(base_obkv), true, false, document_sorter_value_buffer)?;
KvReaderU16::new(base_obkv), self.original_sorter.insert(&document_sorter_key_buffer, &document_sorter_value_buffer)?;
true,
false,
&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 // flatten it and push it as to delete in the flattened_sorter
let flattened_obkv = KvReader::new(base_obkv); let flattened_obkv = KvReader::new(base_obkv);
@ -549,19 +526,11 @@ impl<'a, 'i> Transform<'a, 'i> {
// we recreate our buffer with the flattened documents // we recreate our buffer with the flattened documents
document_sorter_value_buffer.clear(); document_sorter_value_buffer.clear();
document_sorter_value_buffer.push(Operation::Deletion as u8); document_sorter_value_buffer.push(Operation::Deletion as u8);
into_del_add_obkv( into_del_add_obkv(KvReaderU16::new(&obkv), true, false, document_sorter_value_buffer)?;
KvReaderU16::new(&obkv),
true,
false,
&mut document_sorter_value_buffer,
)?;
} }
self.flattened_sorter.insert(to_remove.to_be_bytes(), &document_sorter_value_buffer)?; self.flattened_sorter
.insert(internal_docid.to_be_bytes(), &document_sorter_value_buffer)?;
documents_deleted += 1; Ok(())
}
Ok(documents_deleted)
} }
// Flatten a document from the fields ids map contained in self and insert the new // Flatten a document from the fields ids map contained in self and insert the new