add index sorting deprecation warning (#2353)

* add index sorting deprecation warning

* remove deprecated IntOptions and DatePrecision

common/src/datetime.rs

@@ -1,5 +1,3 @@
-#![allow(deprecated)]
-
 use std::fmt;
 use std::io::{Read, Write};
 
@@ -27,9 +25,6 @@ pub enum DateTimePrecision {
     Nanoseconds,
 }
 
-#[deprecated(since = "0.20.0", note = "Use `DateTimePrecision` instead")]
-pub type DatePrecision = DateTimePrecision;
-
 /// A date/time value with nanoseconds precision.
 ///
 /// This timestamp does not carry any explicit time zone information.

common/src/lib.rs

@@ -15,8 +15,6 @@ mod vint;
 mod writer;
 pub use bitset::*;
 pub use byte_count::ByteCount;
-#[allow(deprecated)]
-pub use datetime::DatePrecision;
 pub use datetime::{DateTime, DateTimePrecision};
 pub use group_by::GroupByIteratorExtended;
 pub use json_path_writer::JsonPathWriter;

src/index/index.rs

@@ -83,7 +83,7 @@ fn save_new_metas(
 ///
 /// ```
 /// use tantivy::schema::*;
-/// use tantivy::{Index, IndexSettings, IndexSortByField, Order};
+/// use tantivy::{Index, IndexSettings};
 ///
 /// let mut schema_builder = Schema::builder();
 /// let id_field = schema_builder.add_text_field("id", STRING);
@@ -96,10 +96,7 @@ fn save_new_metas(
 ///
 /// let schema = schema_builder.build();
 /// let settings = IndexSettings{
-///     sort_by_field: Some(IndexSortByField{
-///         field: "number".to_string(),
-///         order: Order::Asc
-///     }),
+///     docstore_blocksize: 100_000,
 ///     ..Default::default()
 /// };
 /// let index = Index::builder().schema(schema).settings(settings).create_in_ram();

src/index/index_meta.rs

@@ -288,6 +288,10 @@ impl Default for IndexSettings {
 /// Presorting documents can greatly improve performance
 /// in some scenarios, by applying top n
 /// optimizations.
+#[deprecated(
+    since = "0.22.0",
+    note = "We plan to remove index sorting in `0.23`. If you need index sorting, please comment on the related issue https://github.com/quickwit-oss/tantivy/issues/2352 and explain your use case."
+)]
 #[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq)]
 pub struct IndexSortByField {
     /// The field to sort the documents by

src/lib.rs

@@ -178,6 +178,7 @@ pub use crate::future_result::FutureResult;
 pub type Result<T> = std::result::Result<T, TantivyError>;
 
 mod core;
+#[allow(deprecated)] // Remove with index sorting
 pub mod indexer;
 
 #[allow(unused_doc_comments)]
@@ -189,6 +190,7 @@ pub mod collector;
 pub mod directory;
 pub mod fastfield;
 pub mod fieldnorm;
+#[allow(deprecated)] // Remove with index sorting
 pub mod index;
 pub mod positions;
 pub mod postings;
@@ -223,6 +225,7 @@ pub use self::snippet::{Snippet, SnippetGenerator};
 pub use crate::core::json_utils;
 pub use crate::core::{Executor, Searcher, SearcherGeneration};
 pub use crate::directory::Directory;
+#[allow(deprecated)] // Remove with index sorting
 pub use crate::index::{
     Index, IndexBuilder, IndexMeta, IndexSettings, IndexSortByField, InvertedIndexReader, Order,
     Segment, SegmentComponent, SegmentId, SegmentMeta, SegmentReader,
@@ -234,8 +237,6 @@ pub use crate::index::{
 pub use crate::indexer::PreparedCommit;
 pub use crate::indexer::{IndexWriter, SingleSegmentIndexWriter};
 pub use crate::postings::Postings;
-#[allow(deprecated)]
-pub use crate::schema::DatePrecision;
 pub use crate::schema::{DateOptions, DateTimePrecision, Document, TantivyDocument, Term};
 
 /// Index format version.

src/schema/date_time_options.rs

@@ -1,7 +1,5 @@
 use std::ops::BitOr;
 
-#[allow(deprecated)]
-pub use common::DatePrecision;
 pub use common::DateTimePrecision;
 use serde::{Deserialize, Serialize};
 

src/schema/document/de.rs

@@ -160,7 +160,7 @@ pub enum ValueType {
     /// A dynamic object value.
     Object,
     /// A JSON object value. Deprecated.
-    #[deprecated]
+    #[deprecated(note = "We keep this for backwards compatibility, use Object instead")]
     JSONObject,
 }
 

src/schema/mod.rs

@@ -130,8 +130,6 @@ mod text_options;
 use columnar::ColumnType;
 
 pub use self::bytes_options::BytesOptions;
-#[allow(deprecated)]
-pub use self::date_time_options::DatePrecision;
 pub use self::date_time_options::{DateOptions, DateTimePrecision, DATE_TIME_PRECISION_INDEXED};
 pub use self::document::{DocParsingError, Document, OwnedValue, TantivyDocument, Value};
 pub(crate) use self::facet::FACET_SEP_BYTE;
@@ -146,8 +144,6 @@ pub use self::index_record_option::IndexRecordOption;
 pub use self::ip_options::{IntoIpv6Addr, IpAddrOptions};
 pub use self::json_object_options::JsonObjectOptions;
 pub use self::named_field_document::NamedFieldDocument;
-#[allow(deprecated)]
-pub use self::numeric_options::IntOptions;
 pub use self::numeric_options::NumericOptions;
 pub use self::schema::{Schema, SchemaBuilder};
 pub use self::term::{Term, ValueBytes, JSON_END_OF_PATH};

src/schema/numeric_options.rs

@@ -5,10 +5,6 @@ use serde::{Deserialize, Serialize};
 use super::flags::CoerceFlag;
 use crate::schema::flags::{FastFlag, IndexedFlag, SchemaFlagList, StoredFlag};
 
-#[deprecated(since = "0.17.0", note = "Use NumericOptions instead.")]
-/// Deprecated use [`NumericOptions`] instead.
-pub type IntOptions = NumericOptions;
-
 /// Define how an `u64`, `i64`, or `f64` field should be handled by tantivy.
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
 #[serde(from = "NumericOptionsDeser")]