mirror of
https://github.com/meilisearch/meilisearch.git
synced 2024-11-24 02:55:06 +08:00
683 lines
19 KiB
Rust
683 lines
19 KiB
Rust
mod error;
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mod fields_map;
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mod schema;
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pub use error::{Error, SResult};
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pub use fields_map::FieldsMap;
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pub use schema::Schema;
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use serde::{Deserialize, Serialize};
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#[derive(Serialize, Deserialize, Debug, Copy, Clone, Default, PartialOrd, Ord, PartialEq, Eq, Hash)]
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pub struct IndexedPos(pub u16);
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impl IndexedPos {
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pub const fn new(value: u16) -> IndexedPos {
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IndexedPos(value)
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}
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pub const fn min() -> IndexedPos {
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IndexedPos(u16::min_value())
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}
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pub const fn max() -> IndexedPos {
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IndexedPos(u16::max_value())
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}
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pub fn next(self) -> SResult<IndexedPos> {
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self.0.checked_add(1).map(IndexedPos).ok_or(Error::MaxFieldsLimitExceeded)
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}
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pub fn prev(self) -> SResult<IndexedPos> {
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self.0.checked_sub(1).map(IndexedPos).ok_or(Error::MaxFieldsLimitExceeded)
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}
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}
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impl From<u16> for IndexedPos {
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fn from(value: u16) -> IndexedPos {
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IndexedPos(value)
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}
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}
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impl Into<u16> for IndexedPos {
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fn into(self) -> u16 {
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self.0
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}
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}
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#[derive(Serialize, Deserialize, Debug, Copy, Clone, Default, PartialOrd, Ord, PartialEq, Eq, Hash)]
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pub struct FieldId(pub u16);
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impl FieldId {
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pub const fn new(value: u16) -> FieldId {
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FieldId(value)
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}
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pub const fn min() -> FieldId {
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FieldId(u16::min_value())
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}
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pub const fn max() -> FieldId {
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FieldId(u16::max_value())
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}
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pub fn next(self) -> SResult<FieldId> {
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self.0.checked_add(1).map(FieldId).ok_or(Error::MaxFieldsLimitExceeded)
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}
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pub fn prev(self) -> SResult<FieldId> {
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self.0.checked_sub(1).map(FieldId).ok_or(Error::MaxFieldsLimitExceeded)
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}
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}
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impl From<u16> for FieldId {
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fn from(value: u16) -> FieldId {
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FieldId(value)
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}
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}
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impl Into<u16> for FieldId {
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fn into(self) -> u16 {
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self.0
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}
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}
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// use std::collections::{BTreeMap, HashMap};
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// use std::ops::BitOr;
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// use std::sync::Arc;
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// use std::{fmt, u16};
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// use indexmap::IndexMap;
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// use serde::{Deserialize, Serialize};
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// pub const DISPLAYED: SchemaProps = SchemaProps {
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// displayed: true,
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// indexed: false,
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// ranked: false,
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// };
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// pub const INDEXED: SchemaProps = SchemaProps {
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// displayed: false,
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// indexed: true,
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// ranked: false,
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// };
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// pub const RANKED: SchemaProps = SchemaProps {
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// displayed: false,
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// indexed: false,
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// ranked: true,
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// };
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// #[derive(Default, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
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// pub struct SchemaProps {
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// #[serde(default)]
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// pub displayed: bool,
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// #[serde(default)]
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// pub indexed: bool,
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// #[serde(default)]
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// pub ranked: bool,
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// }
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// impl SchemaProps {
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// pub fn is_displayed(self) -> bool {
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// self.displayed
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// }
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// pub fn is_indexed(self) -> bool {
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// self.indexed
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// }
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// pub fn is_ranked(self) -> bool {
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// self.ranked
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// }
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// }
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// impl BitOr for SchemaProps {
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// type Output = Self;
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// fn bitor(self, other: Self) -> Self::Output {
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// SchemaProps {
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// displayed: self.displayed | other.displayed,
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// indexed: self.indexed | other.indexed,
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// ranked: self.ranked | other.ranked,
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// }
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// }
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// }
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// impl fmt::Debug for SchemaProps {
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// #[allow(non_camel_case_types)]
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// fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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// #[derive(Debug)]
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// struct DISPLAYED;
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// #[derive(Debug)]
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// struct INDEXED;
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// #[derive(Debug)]
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// struct RANKED;
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// let mut debug_set = f.debug_set();
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// if self.displayed {
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// debug_set.entry(&DISPLAYED);
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// }
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// if self.indexed {
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// debug_set.entry(&INDEXED);
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// }
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// if self.ranked {
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// debug_set.entry(&RANKED);
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// }
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// debug_set.finish()
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// }
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// }
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// #[derive(Serialize, Deserialize)]
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// pub struct SchemaBuilder {
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// identifier: String,
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// attributes: IndexMap<String, SchemaProps>,
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// }
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// impl SchemaBuilder {
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// pub fn with_identifier<S: Into<String>>(name: S) -> SchemaBuilder {
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// SchemaBuilder {
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// identifier: name.into(),
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// attributes: IndexMap::new(),
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// }
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// }
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// pub fn new_attribute<S: Into<String>>(&mut self, name: S, props: SchemaProps) -> SchemaAttr {
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// let len = self.attributes.len();
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// if self.attributes.insert(name.into(), props).is_some() {
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// panic!("Field already inserted.")
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// }
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// SchemaAttr(len as u16)
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// }
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// pub fn build(self) -> Schema {
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// let mut attrs = HashMap::new();
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// let mut props = Vec::new();
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// for (i, (name, prop)) in self.attributes.into_iter().enumerate() {
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// attrs.insert(name.clone(), SchemaAttr(i as u16));
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// props.push((name, prop));
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// }
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// let identifier = self.identifier;
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// Schema {
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// inner: Arc::new(InnerSchema {
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// identifier,
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// attrs,
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// props,
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// }),
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// }
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// }
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// }
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// #[derive(Clone, PartialEq, Eq)]
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// pub struct Schema {
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// inner: Arc<InnerSchema>,
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// }
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// #[derive(Clone, PartialEq, Eq)]
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// struct InnerSchema {
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// identifier: (String, u16),
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// attrs: HashMap<String, SchemaAttr>,
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// props: Vec<(String, SchemaProps)>,
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// }
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// impl Schema {
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// pub fn to_builder(&self) -> SchemaBuilder {
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// let identifier = self.inner.identifier.clone();
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// let attributes = self.attributes_ordered();
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// SchemaBuilder {
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// identifier,
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// attributes,
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// }
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// }
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// fn attributes_ordered(&self) -> IndexMap<String, SchemaProps> {
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// let mut ordered = BTreeMap::new();
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// for (name, attr) in &self.inner.attrs {
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// let (_, props) = self.inner.props[attr.0 as usize];
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// ordered.insert(attr.0, (name, props));
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// }
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// let mut attributes = IndexMap::with_capacity(ordered.len());
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// for (_, (name, props)) in ordered {
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// attributes.insert(name.clone(), props);
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// }
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// attributes
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// }
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// pub fn number_of_attributes(&self) -> usize {
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// self.inner.attrs.len()
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// }
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// pub fn props(&self, attr: SchemaAttr) -> SchemaProps {
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// let (_, props) = self.inner.props[attr.0 as usize];
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// props
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// }
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// pub fn identifier_name(&self) -> &str {
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// &self.inner.identifier
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// }
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// pub fn attribute<S: AsRef<str>>(&self, name: S) -> Option<SchemaAttr> {
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// self.inner.attrs.get(name.as_ref()).cloned()
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// }
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// pub fn attribute_name(&self, attr: SchemaAttr) -> &str {
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// let (name, _) = &self.inner.props[attr.0 as usize];
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// name
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// }
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// pub fn into_iter<'a>(&'a self) -> impl Iterator<Item = (String, SchemaProps)> + 'a {
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// self.inner.props.clone().into_iter()
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// }
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// pub fn iter<'a>(&'a self) -> impl Iterator<Item = (&str, SchemaAttr, SchemaProps)> + 'a {
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// self.inner.props.iter().map(move |(name, prop)| {
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// let attr = self.inner.attrs.get(name).unwrap();
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// (name.as_str(), *attr, *prop)
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// })
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// }
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// }
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// impl Serialize for Schema {
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// fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
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// where
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// S: serde::ser::Serializer,
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// {
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// self.to_builder().serialize(serializer)
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// }
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// }
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// impl<'de> Deserialize<'de> for Schema {
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// fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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// where
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// D: serde::de::Deserializer<'de>,
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// {
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// let builder = SchemaBuilder::deserialize(deserializer)?;
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// Ok(builder.build())
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// }
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// }
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// impl fmt::Debug for Schema {
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// fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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// let builder = self.to_builder();
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// f.debug_struct("Schema")
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// .field("identifier", &builder.identifier)
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// .field("attributes", &builder.attributes)
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// .finish()
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// }
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// }
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// #[derive(Serialize, Deserialize, Debug, Copy, Clone, PartialOrd, Ord, PartialEq, Eq, Hash)]
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// pub struct SchemaAttr(pub u16);
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// impl SchemaAttr {
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// pub const fn new(value: u16) -> SchemaAttr {
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// SchemaAttr(value)
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// }
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// pub const fn min() -> SchemaAttr {
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// SchemaAttr(u16::min_value())
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// }
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// pub const fn max() -> SchemaAttr {
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// SchemaAttr(u16::max_value())
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// }
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// pub fn next(self) -> Option<SchemaAttr> {
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// self.0.checked_add(1).map(SchemaAttr)
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// }
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// pub fn prev(self) -> Option<SchemaAttr> {
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// self.0.checked_sub(1).map(SchemaAttr)
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// }
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// }
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// impl fmt::Display for SchemaAttr {
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// fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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// self.0.fmt(f)
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// }
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// }
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// #[derive(Debug, Clone, PartialEq, Eq)]
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// pub enum Diff {
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// IdentChange {
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// old: String,
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// new: String,
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// },
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// AttrMove {
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// name: String,
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// old: usize,
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// new: usize,
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// },
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// AttrPropsChange {
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// name: String,
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// old: SchemaProps,
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// new: SchemaProps,
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// },
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// NewAttr {
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// name: String,
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// pos: usize,
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// props: SchemaProps,
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// },
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// RemovedAttr {
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// name: String,
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// },
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// }
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// pub fn diff(old: &Schema, new: &Schema) -> Vec<Diff> {
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// use Diff::{AttrMove, AttrPropsChange, IdentChange, NewAttr, RemovedAttr};
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// let mut differences = Vec::new();
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// let old = old.to_builder();
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// let new = new.to_builder();
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// // check if the old identifier differs from the new one
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// if old.identifier != new.identifier {
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// let old = old.identifier;
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// let new = new.identifier;
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// differences.push(IdentChange { old, new });
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// }
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// // compare all old attributes positions
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// // and properties with the new ones
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// for (pos, (name, props)) in old.attributes.iter().enumerate() {
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// match new.attributes.get_full(name) {
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// Some((npos, _, nprops)) => {
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// if pos != npos {
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// let name = name.clone();
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// differences.push(AttrMove {
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// name,
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// old: pos,
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// new: npos,
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// });
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// }
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// if props != nprops {
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// let name = name.clone();
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// differences.push(AttrPropsChange {
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// name,
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// old: *props,
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// new: *nprops,
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// });
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// }
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// }
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// None => differences.push(RemovedAttr { name: name.clone() }),
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// }
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// }
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// // retrieve all attributes that
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// // were not present in the old schema
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// for (pos, (name, props)) in new.attributes.iter().enumerate() {
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// if !old.attributes.contains_key(name) {
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// let name = name.clone();
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// differences.push(NewAttr {
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// name,
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// pos,
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// props: *props,
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// });
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// }
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// }
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// differences
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// }
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// // The diff_transposition return the transpotion matrix to apply during the documents rewrite process.
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// // e.g.
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// // old_schema: ["id", "title", "description", "tags", "date"]
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// // new_schema: ["title", "tags", "id", "new", "position","description"]
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// // diff_transposition: [Some(2), Some(0), Some(5), Some(1), None]
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// //
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// // - attribute 0 (id) become attribute 2
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// // - attribute 1 (title) become attribute 0
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// // - attribute 2 (description) become attribute 5
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// // - attribute 3 (tags) become attribute 1
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// // - attribute 4 (date) is deleted
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// pub fn diff_transposition(old: &Schema, new: &Schema) -> Vec<Option<u16>> {
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// let old = old.to_builder();
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// let new = new.to_builder();
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// let old_attributes: Vec<&str> = old.attributes.iter().map(|(key, _)| key.as_str()).collect();
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// let new_attributes: Vec<&str> = new.attributes.iter().map(|(key, _)| key.as_str()).collect();
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// let mut transpotition = Vec::new();
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// for (_pos, attr) in old_attributes.iter().enumerate() {
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// if let Some(npos) = new_attributes[..].iter().position(|x| x == attr) {
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// transpotition.push(Some(npos as u16));
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// } else {
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// transpotition.push(None);
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// }
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// }
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// transpotition
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// }
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// pub fn generate_schema(identifier: String, indexed: Vec<String>, displayed: Vec<String>, ranked: Vec<String>) -> Schema {
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// let mut map = IndexMap::new();
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// for item in indexed.iter() {
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// map.entry(item).or_insert(SchemaProps::default()).indexed = true;
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// }
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// for item in ranked.iter() {
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// map.entry(item).or_insert(SchemaProps::default()).ranked = true;
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// }
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// for item in displayed.iter() {
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// map.entry(item).or_insert(SchemaProps::default()).displayed = true;
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// }
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// let id = identifier.clone();
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// map.entry(&id).or_insert(SchemaProps::default());
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// let mut builder = SchemaBuilder::with_identifier(identifier);
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// for (key, value) in map {
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// builder.new_attribute(key, value);
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// }
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// builder.build()
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// }
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// #[cfg(test)]
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// mod tests {
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// use super::*;
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// use std::error::Error;
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// #[test]
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// fn difference() {
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// use Diff::{AttrMove, AttrPropsChange, IdentChange, NewAttr, RemovedAttr};
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// let mut builder = SchemaBuilder::with_identifier("id");
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// builder.new_attribute("alpha", DISPLAYED);
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// builder.new_attribute("beta", DISPLAYED | INDEXED);
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// builder.new_attribute("gamma", INDEXED);
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// builder.new_attribute("omega", INDEXED);
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// let old = builder.build();
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// let mut builder = SchemaBuilder::with_identifier("kiki");
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// builder.new_attribute("beta", DISPLAYED | INDEXED);
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// builder.new_attribute("alpha", DISPLAYED | INDEXED);
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// builder.new_attribute("delta", RANKED);
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// builder.new_attribute("gamma", DISPLAYED);
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// let new = builder.build();
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// let differences = diff(&old, &new);
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// let expected = &[
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// IdentChange {
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// old: format!("id"),
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// new: format!("kiki"),
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// },
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// AttrMove {
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// name: format!("alpha"),
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// old: 0,
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// new: 1,
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// },
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// AttrPropsChange {
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// name: format!("alpha"),
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// old: DISPLAYED,
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// new: DISPLAYED | INDEXED,
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// },
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// AttrMove {
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// name: format!("beta"),
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// old: 1,
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// new: 0,
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// },
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// AttrMove {
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// name: format!("gamma"),
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// old: 2,
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// new: 3,
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// },
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// AttrPropsChange {
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// name: format!("gamma"),
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// old: INDEXED,
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// new: DISPLAYED,
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// },
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// RemovedAttr {
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// name: format!("omega"),
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// },
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// NewAttr {
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// name: format!("delta"),
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// pos: 2,
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|
// props: RANKED,
|
|
// },
|
|
// ];
|
|
|
|
// assert_eq!(&differences, expected)
|
|
// }
|
|
|
|
// #[test]
|
|
// fn serialize_deserialize() -> bincode::Result<()> {
|
|
// let mut builder = SchemaBuilder::with_identifier("id");
|
|
// builder.new_attribute("alpha", DISPLAYED);
|
|
// builder.new_attribute("beta", DISPLAYED | INDEXED);
|
|
// builder.new_attribute("gamma", INDEXED);
|
|
// let schema = builder.build();
|
|
|
|
// let mut buffer = Vec::new();
|
|
// bincode::serialize_into(&mut buffer, &schema)?;
|
|
// let schema2 = bincode::deserialize_from(buffer.as_slice())?;
|
|
|
|
// assert_eq!(schema, schema2);
|
|
|
|
// Ok(())
|
|
// }
|
|
|
|
// #[test]
|
|
// fn serialize_deserialize_toml() -> Result<(), Box<dyn Error>> {
|
|
// let mut builder = SchemaBuilder::with_identifier("id");
|
|
// builder.new_attribute("alpha", DISPLAYED);
|
|
// builder.new_attribute("beta", DISPLAYED | INDEXED);
|
|
// builder.new_attribute("gamma", INDEXED);
|
|
// let schema = builder.build();
|
|
|
|
// let buffer = toml::to_vec(&schema)?;
|
|
// let schema2 = toml::from_slice(buffer.as_slice())?;
|
|
|
|
// assert_eq!(schema, schema2);
|
|
|
|
// let data = r#"
|
|
// identifier = "id"
|
|
|
|
// [attributes."alpha"]
|
|
// displayed = true
|
|
|
|
// [attributes."beta"]
|
|
// displayed = true
|
|
// indexed = true
|
|
|
|
// [attributes."gamma"]
|
|
// indexed = true
|
|
// "#;
|
|
// let schema2 = toml::from_str(data)?;
|
|
// assert_eq!(schema, schema2);
|
|
|
|
// Ok(())
|
|
// }
|
|
|
|
// #[test]
|
|
// fn serialize_deserialize_json() -> Result<(), Box<dyn Error>> {
|
|
// let mut builder = SchemaBuilder::with_identifier("id");
|
|
// builder.new_attribute("alpha", DISPLAYED);
|
|
// builder.new_attribute("beta", DISPLAYED | INDEXED);
|
|
// builder.new_attribute("gamma", INDEXED);
|
|
// let schema = builder.build();
|
|
|
|
// let buffer = serde_json::to_vec(&schema)?;
|
|
// let schema2 = serde_json::from_slice(buffer.as_slice())?;
|
|
|
|
// assert_eq!(schema, schema2);
|
|
|
|
// let data = r#"
|
|
// {
|
|
// "identifier": "id",
|
|
// "attributes": {
|
|
// "alpha": {
|
|
// "displayed": true
|
|
// },
|
|
// "beta": {
|
|
// "displayed": true,
|
|
// "indexed": true
|
|
// },
|
|
// "gamma": {
|
|
// "indexed": true
|
|
// }
|
|
// }
|
|
// }"#;
|
|
// let schema2 = serde_json::from_str(data)?;
|
|
// assert_eq!(schema, schema2);
|
|
|
|
// Ok(())
|
|
// }
|
|
|
|
// #[test]
|
|
// fn debug_output() {
|
|
// use std::fmt::Write as _;
|
|
|
|
// let mut builder = SchemaBuilder::with_identifier("id");
|
|
// builder.new_attribute("alpha", DISPLAYED);
|
|
// builder.new_attribute("beta", DISPLAYED | INDEXED);
|
|
// builder.new_attribute("gamma", INDEXED);
|
|
// let schema = builder.build();
|
|
|
|
// let mut output = String::new();
|
|
// let _ = write!(&mut output, "{:#?}", schema);
|
|
|
|
// let expected = r#"Schema {
|
|
// identifier: "id",
|
|
// attributes: {
|
|
// "alpha": {
|
|
// DISPLAYED,
|
|
// },
|
|
// "beta": {
|
|
// DISPLAYED,
|
|
// INDEXED,
|
|
// },
|
|
// "gamma": {
|
|
// INDEXED,
|
|
// },
|
|
// },
|
|
// }"#;
|
|
|
|
// assert_eq!(output, expected);
|
|
|
|
// let mut output = String::new();
|
|
// let _ = write!(&mut output, "{:?}", schema);
|
|
|
|
// let expected = r#"Schema { identifier: "id", attributes: {"alpha": {DISPLAYED}, "beta": {DISPLAYED, INDEXED}, "gamma": {INDEXED}} }"#;
|
|
|
|
// assert_eq!(output, expected);
|
|
// }
|
|
// }
|