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https://github.com/meilisearch/MeiliSearch
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Cleanup CowStr and TopLevelMap struct
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@ -49,7 +49,7 @@ rayon = "1.10.0"
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roaring = { version = "0.10.6", features = ["serde"] }
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roaring = { version = "0.10.6", features = ["serde"] }
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rstar = { version = "0.12.0", features = ["serde"] }
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rstar = { version = "0.12.0", features = ["serde"] }
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serde = { version = "1.0.204", features = ["derive"] }
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serde = { version = "1.0.204", features = ["derive"] }
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serde_json = { version = "1.0.120", features = ["preserve_order"] }
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serde_json = { version = "1.0.120", features = ["preserve_order", "raw_value"] }
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slice-group-by = "0.3.1"
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slice-group-by = "0.3.1"
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smallstr = { version = "0.3.0", features = ["serde"] }
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smallstr = { version = "0.3.0", features = ["serde"] }
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smallvec = "1.13.2"
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smallvec = "1.13.2"
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@ -339,121 +339,40 @@ fn merge_document_for_updates(
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}
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}
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}
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}
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/*
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use std::borrow::Borrow;
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use std::{
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borrow::{Borrow, Cow},
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collections::BTreeMap,
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ops::Deref,
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};
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use serde::Deserialize;
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use serde::Deserialize;
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use serde_json::{value::RawValue, Value};
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use serde_json::from_str;
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/*
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use serde_json::value::RawValue;
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#[repr(transparent)]
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pub struct my_str(str);
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impl ToOwned for my_str {
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#[derive(Deserialize)]
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type Owned = Box<str>;
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pub struct TopLevelMap<'p>(#[serde(borrow)] BTreeMap<CowStr<'p>, &'p RawValue>);
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fn to_owned(&self) -> Self::Owned {
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self.0.to_string().into_boxed_str()
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}
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}
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impl Borrow<my_str> for Box<str> {
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fn borrow(&self) -> &my_str {
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unsafe { std::mem::transmute(self.as_ref()) }
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}
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}
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*/
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#[derive(Deserialize, PartialEq, Eq, PartialOrd, Ord)]
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#[derive(Deserialize, PartialEq, Eq, PartialOrd, Ord)]
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pub struct CowKey<'doc>(#[serde(borrow)] Cow<'doc, str>);
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pub struct CowStr<'p>(#[serde(borrow)] Cow<'p, str>);
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impl<'doc> Borrow<str> for CowKey<'doc> {
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impl<'doc> Borrow<str> for CowStr<'doc> {
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fn borrow(&self) -> &str {
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fn borrow(&self) -> &str {
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self.0.borrow()
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self.0.borrow()
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}
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}
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}
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}
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#[derive(Deserialize)]
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fn get_docid<'p>(
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pub struct TopLevelMap<'doc>(#[serde(borrow)] BTreeMap<CowKey<'doc>, &'doc RawValue>);
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map: &TopLevelMap<'p>,
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#[derive(Deserialize)]
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pub struct FlatDocs<'doc>(#[serde(borrow)] Vec<&'doc RawValue>);
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fn read_docs<'doc>(
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ndjson: &'doc str,
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) -> impl Iterator<Item = Result<TopLevelMap<'doc>, serde_json::Error>> {
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serde_json::Deserializer::from_str(ndjson).into_iter::<TopLevelMap>()
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}
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fn main() {
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let ndjson_data = r#"
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{
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"id": {
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"nested": "kefir"
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},
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"name": "Alice",
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"age": 30
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}
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{
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"id": {
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"nested": "intel"
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},
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"name\n": "Bob",
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"age": 22
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}
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"#;
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let primary_key: Vec<_> = "id.nested".split('.').collect(); // dynamic
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for doc in read_docs(ndjson_data) {
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let doc = doc.unwrap();
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let docid = get_docid(&doc, &primary_key).unwrap().expect("missingno");
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println!("docid={docid}");
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}
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}
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pub struct Document<'payload> {
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fields: TopLevelMap<'payload>,
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docid: String,
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}
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/*impl<'payload> Document<'payload> {
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pub fn get(name: &str) -> Option<&'payload RawValue> {}
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pub fn get_nested(name: &[&str]) {}
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}*/
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fn get_docid<'payload>(
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map: &TopLevelMap<'payload>,
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primary_key: &[&str],
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primary_key: &[&str],
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) -> serde_json::Result<Option<CowKey<'payload>>> {
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) -> serde_json::Result<Option<CowStr<'p>>> {
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match primary_key {
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match primary_key {
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[] => unreachable!("arrrgh"),
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[] => unreachable!("arrrgh"), // would None be ok?
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[primary_key] => match map.0.get(*primary_key) {
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[primary_key] => match map.0.get(*primary_key) {
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Some(value) => {
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Some(value) => match from_str::<u64>(value.get()) {
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let value = value.get();
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Ok(value) => Ok(Some(CowStr(Cow::Owned(value.to_string())))),
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let value_number: Result<u64, _> = serde_json::from_str(value);
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Err(_) => Ok(Some(from_str(value.get())?)),
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Ok(Some(match value_number {
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},
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Ok(value) => CowKey(Cow::Owned(value.to_string())),
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Err(_) => serde_json::from_str(value)?,
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}))
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}
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None => Ok(None),
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None => Ok(None),
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},
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},
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[head, tail @ ..] => match map.0.get(*head) {
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[head, tail @ ..] => match map.0.get(*head) {
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Some(value) => {
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Some(value) => get_docid(&from_str(value.get())?, tail),
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let map = serde_json::from_str(value.get())?;
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get_docid(&map, tail)
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}
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None => Ok(None),
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None => Ok(None),
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},
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},
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}
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}
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}
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}
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*/
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