mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-11-25 22:34:28 +01:00
import the update_file_store in the index-scheduler
This commit is contained in:
Tamo
Clément Renault
parent
2afb381f95
commit
76597fc382
1
Cargo.lock
generated
1
Cargo.lock
generated
@ -1738,6 +1738,7 @@ dependencies = [
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"csv",
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"derivative",
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"either",
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"file-store",
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"fst",
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"indexmap",
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"lazy_static",
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@ -11,6 +11,7 @@ bincode = "1.3.3"
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csv = "1.1.6"
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derivative = "2.2.0"
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either = { version = "1.6.1", features = ["serde"] }
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file-store = { path = "../file-store" }
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fst = "0.4.7"
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indexmap = { version = "1.8.0", features = ["serde-1"] }
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lazy_static = "1.4.0"
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@ -4,8 +4,6 @@ use meilisearch_types::error::{Code, ErrorCode};
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use meilisearch_types::internal_error;
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use serde_json::Value;
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use crate::update_file_store;
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pub type Result<T> = std::result::Result<T, IndexError>;
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#[derive(Debug, thiserror::Error)]
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@ -25,23 +23,10 @@ internal_error!(
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milli::heed::Error,
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fst::Error,
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serde_json::Error,
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update_file_store::UpdateFileStoreError,
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file_store::Error,
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milli::documents::Error
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);
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/*
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impl ErrorCode for IndexError {
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fn error_code(&self) -> Code {
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match self {
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IndexError::Internal(_) => Code::Internal,
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IndexError::DocumentNotFound(_) => Code::DocumentNotFound,
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IndexError::Facet(e) => e.error_code(),
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IndexError::Milli(e) => MilliError(e).error_code(),
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}
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}
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}
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*/
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impl From<milli::UserError> for IndexError {
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fn from(error: milli::UserError) -> IndexError {
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IndexError::Milli(error.into())
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@ -13,7 +13,7 @@ use uuid::Uuid;
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use super::error::{IndexError, Result};
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use super::index::{Index, IndexMeta};
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use crate::update_file_store::UpdateFileStore;
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use file_store::UpdateFileStore;
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fn serialize_with_wildcard<S>(
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field: &Setting<Vec<String>>,
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@ -4,16 +4,15 @@ mod document_formats;
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pub mod error;
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pub mod index;
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pub mod task;
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mod update_file_store;
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mod utils;
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use batch::Batch;
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pub use error::Error;
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use file_store::UpdateFileStore;
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use index::Index;
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pub use task::Task;
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use task::{Kind, KindWithContent, Status};
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use time::OffsetDateTime;
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use update_file_store::UpdateFileStore;
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use std::collections::hash_map::Entry;
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use std::sync::atomic::{AtomicBool, Ordering};
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@ -1,258 +0,0 @@
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use std::fs::{create_dir_all, File};
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use std::io::{self, BufReader, BufWriter, Write};
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use std::ops::{Deref, DerefMut};
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use std::path::{Path, PathBuf};
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use milli::documents::DocumentsBatchReader;
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use serde_json::Map;
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use tempfile::{NamedTempFile, PersistError};
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use uuid::Uuid;
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#[cfg(not(test))]
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pub use store::UpdateFileStore;
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#[cfg(test)]
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pub use test::MockUpdateFileStore as UpdateFileStore;
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const UPDATE_FILES_PATH: &str = "updates/updates_files";
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use crate::document_formats::read_ndjson;
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pub struct UpdateFile {
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path: PathBuf,
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file: NamedTempFile,
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}
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#[derive(Debug, thiserror::Error)]
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#[error("Error while persisting update to disk: {0}")]
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pub struct UpdateFileStoreError(Box<dyn std::error::Error + Sync + Send + 'static>);
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pub type Result<T> = std::result::Result<T, UpdateFileStoreError>;
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macro_rules! into_update_store_error {
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($($other:path),*) => {
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$(
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impl From<$other> for UpdateFileStoreError {
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fn from(other: $other) -> Self {
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Self(Box::new(other))
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}
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}
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)*
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};
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}
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into_update_store_error!(
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PersistError,
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io::Error,
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serde_json::Error,
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milli::documents::Error,
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milli::documents::DocumentsBatchCursorError
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);
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impl UpdateFile {
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pub fn persist(self) -> Result<()> {
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self.file.persist(&self.path)?;
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Ok(())
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}
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}
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impl Deref for UpdateFile {
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type Target = NamedTempFile;
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fn deref(&self) -> &Self::Target {
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&self.file
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}
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}
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impl DerefMut for UpdateFile {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.file
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}
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}
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mod store {
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use super::*;
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#[derive(Clone, Debug)]
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pub struct UpdateFileStore {
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path: PathBuf,
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}
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impl UpdateFileStore {
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pub fn load_dump(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> anyhow::Result<()> {
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let src_update_files_path = src.as_ref().join(UPDATE_FILES_PATH);
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let dst_update_files_path = dst.as_ref().join(UPDATE_FILES_PATH);
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// No update files to load
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if !src_update_files_path.exists() {
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return Ok(());
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}
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create_dir_all(&dst_update_files_path)?;
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let entries = std::fs::read_dir(src_update_files_path)?;
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for entry in entries {
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let entry = entry?;
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let update_file = BufReader::new(File::open(entry.path())?);
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let file_uuid = entry.file_name();
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let file_uuid = file_uuid
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.to_str()
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.ok_or_else(|| anyhow::anyhow!("invalid update file name"))?;
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let dst_path = dst_update_files_path.join(file_uuid);
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let dst_file = BufWriter::new(File::create(dst_path)?);
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read_ndjson(update_file, dst_file)?;
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}
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Ok(())
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}
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pub fn new(path: impl AsRef<Path>) -> Result<Self> {
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let path = path.as_ref().join(UPDATE_FILES_PATH);
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std::fs::create_dir_all(&path)?;
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Ok(Self { path })
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}
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/// Creates a new temporary update file.
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/// A call to `persist` is needed to persist the file in the database.
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pub fn new_update(&self) -> Result<(Uuid, UpdateFile)> {
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let file = NamedTempFile::new_in(&self.path)?;
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let uuid = Uuid::new_v4();
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let path = self.path.join(uuid.to_string());
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let update_file = UpdateFile { file, path };
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Ok((uuid, update_file))
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}
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/// Returns the file corresponding to the requested uuid.
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pub fn get_update(&self, uuid: Uuid) -> Result<File> {
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let path = self.path.join(uuid.to_string());
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let file = File::open(path)?;
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Ok(file)
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}
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/// Copies the content of the update file pointed to by `uuid` to the `dst` directory.
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pub fn snapshot(&self, uuid: Uuid, dst: impl AsRef<Path>) -> Result<()> {
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let src = self.path.join(uuid.to_string());
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let mut dst = dst.as_ref().join(UPDATE_FILES_PATH);
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std::fs::create_dir_all(&dst)?;
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dst.push(uuid.to_string());
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std::fs::copy(src, dst)?;
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Ok(())
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}
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/// Peforms a dump of the given update file uuid into the provided dump path.
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pub fn dump(&self, uuid: Uuid, dump_path: impl AsRef<Path>) -> Result<()> {
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let uuid_string = uuid.to_string();
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let update_file_path = self.path.join(&uuid_string);
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let mut dst = dump_path.as_ref().join(UPDATE_FILES_PATH);
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std::fs::create_dir_all(&dst)?;
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dst.push(&uuid_string);
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let update_file = File::open(update_file_path)?;
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let mut dst_file = NamedTempFile::new_in(&dump_path)?;
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let (mut document_cursor, index) =
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DocumentsBatchReader::from_reader(update_file)?.into_cursor_and_fields_index();
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let mut document_buffer = Map::new();
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// TODO: we need to find a way to do this more efficiently. (create a custom serializer
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// for jsonl for example...)
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while let Some(document) = document_cursor.next_document()? {
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for (field_id, content) in document.iter() {
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if let Some(field_name) = index.name(field_id) {
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let content = serde_json::from_slice(content)?;
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document_buffer.insert(field_name.to_string(), content);
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}
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}
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serde_json::to_writer(&mut dst_file, &document_buffer)?;
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dst_file.write_all(b"\n")?;
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document_buffer.clear();
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}
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dst_file.persist(dst)?;
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Ok(())
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}
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pub fn get_size(&self, uuid: Uuid) -> Result<u64> {
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Ok(self.get_update(uuid)?.metadata()?.len())
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}
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pub fn delete(&self, uuid: Uuid) -> Result<()> {
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let path = self.path.join(uuid.to_string());
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std::fs::remove_file(path)?;
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Ok(())
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}
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}
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}
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#[cfg(test)]
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mod test {
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use std::sync::Arc;
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use nelson::Mocker;
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use super::*;
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#[derive(Clone)]
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pub enum MockUpdateFileStore {
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Real(store::UpdateFileStore),
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Mock(Arc<Mocker>),
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}
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impl MockUpdateFileStore {
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pub fn mock(mocker: Mocker) -> Self {
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Self::Mock(Arc::new(mocker))
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}
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pub fn load_dump(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> anyhow::Result<()> {
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store::UpdateFileStore::load_dump(src, dst)
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}
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pub fn new(path: impl AsRef<Path>) -> Result<Self> {
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store::UpdateFileStore::new(path).map(Self::Real)
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}
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pub fn new_update(&self) -> Result<(Uuid, UpdateFile)> {
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match self {
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MockUpdateFileStore::Real(s) => s.new_update(),
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MockUpdateFileStore::Mock(_) => todo!(),
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}
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}
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pub fn get_update(&self, uuid: Uuid) -> Result<File> {
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match self {
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MockUpdateFileStore::Real(s) => s.get_update(uuid),
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MockUpdateFileStore::Mock(_) => todo!(),
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}
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}
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pub fn snapshot(&self, uuid: Uuid, dst: impl AsRef<Path>) -> Result<()> {
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match self {
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MockUpdateFileStore::Real(s) => s.snapshot(uuid, dst),
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MockUpdateFileStore::Mock(_) => todo!(),
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}
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}
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pub fn dump(&self, uuid: Uuid, dump_path: impl AsRef<Path>) -> Result<()> {
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match self {
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MockUpdateFileStore::Real(s) => s.dump(uuid, dump_path),
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MockUpdateFileStore::Mock(_) => todo!(),
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}
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}
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pub fn get_size(&self, uuid: Uuid) -> Result<u64> {
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match self {
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MockUpdateFileStore::Real(s) => s.get_size(uuid),
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MockUpdateFileStore::Mock(_) => todo!(),
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}
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}
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pub fn delete(&self, uuid: Uuid) -> Result<()> {
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match self {
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MockUpdateFileStore::Real(s) => s.delete(uuid),
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MockUpdateFileStore::Mock(mocker) => unsafe { mocker.get("delete").call(uuid) },
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}
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}
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}
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}
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