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fix sort index by date #2124

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merged 1 commit into from
Aug 14, 2023
Merged

fix sort index by date #2124

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4 changes: 4 additions & 0 deletions columnar/src/columnar/writer/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,10 @@ impl ColumnarWriter {
let Some(numerical_col_writer) = self
.numerical_field_hash_map
.get::<NumericalColumnWriter>(sort_field.as_bytes())
.or_else(|| {
self.datetime_field_hash_map
.get::<NumericalColumnWriter>(sort_field.as_bytes())
})
else {
return Vec::new();
};
Expand Down
132 changes: 90 additions & 42 deletions src/indexer/doc_id_mapping.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -152,8 +152,11 @@ pub(crate) fn get_doc_id_mapping_from_field(

#[cfg(test)]
mod tests_indexsorting {
use common::DateTime;

use crate::collector::TopDocs;
use crate::indexer::doc_id_mapping::DocIdMapping;
use crate::indexer::NoMergePolicy;
use crate::query::QueryParser;
use crate::schema::{Schema, *};
use crate::{DocAddress, Index, IndexSettings, IndexSortByField, Order};
Expand Down Expand Up @@ -444,48 +447,93 @@ mod tests_indexsorting {
Ok(())
}

// #[test]
// fn test_sort_index_fast_field() -> crate::Result<()> {
// let index = create_test_index(
// Some(IndexSettings {
// sort_by_field: Some(IndexSortByField {
// field: "my_number".to_string(),
// order: Order::Asc,
// }),
// ..Default::default()
// }),
// get_text_options(),
// )?;
// assert_eq!(
// index.settings().sort_by_field.as_ref().unwrap().field,
// "my_number".to_string()
// );

// let searcher = index.reader()?.searcher();
// assert_eq!(searcher.segment_readers().len(), 1);
// let segment_reader = searcher.segment_reader(0);
// let fast_fields = segment_reader.fast_fields();
// let my_number = index.schema().get_field("my_number").unwrap();

// let fast_field = fast_fields.u64(my_number).unwrap();
// assert_eq!(fast_field.get_val(0), 10u64);
// assert_eq!(fast_field.get_val(1), 20u64);
// assert_eq!(fast_field.get_val(2), 30u64);

// let multi_numbers = index.schema().get_field("multi_numbers").unwrap();
// let multifield = fast_fields.u64s(multi_numbers).unwrap();
// let mut vals = vec![];
// multifield.get_vals(0u32, &mut vals);
// assert_eq!(vals, &[] as &[u64]);
// let mut vals = vec![];
// multifield.get_vals(1u32, &mut vals);
// assert_eq!(vals, &[5, 6]);

// let mut vals = vec![];
// multifield.get_vals(2u32, &mut vals);
// assert_eq!(vals, &[3]);
// Ok(())
// }
#[test]
fn test_sort_index_fast_field() -> crate::Result<()> {
let index = create_test_index(
Some(IndexSettings {
sort_by_field: Some(IndexSortByField {
field: "my_number".to_string(),
order: Order::Asc,
}),
..Default::default()
}),
get_text_options(),
)?;
assert_eq!(
index.settings().sort_by_field.as_ref().unwrap().field,
"my_number".to_string()
);

let searcher = index.reader()?.searcher();
assert_eq!(searcher.segment_readers().len(), 1);
let segment_reader = searcher.segment_reader(0);
let fast_fields = segment_reader.fast_fields();

let fast_field = fast_fields
.u64("my_number")
.unwrap()
.first_or_default_col(999);
assert_eq!(fast_field.get_val(0), 10u64);
assert_eq!(fast_field.get_val(1), 20u64);
assert_eq!(fast_field.get_val(2), 30u64);

let multifield = fast_fields.u64("multi_numbers").unwrap();
let vals: Vec<u64> = multifield.values_for_doc(0u32).collect();
assert_eq!(vals, &[] as &[u64]);
let vals: Vec<_> = multifield.values_for_doc(1u32).collect();
assert_eq!(vals, &[5, 6]);

let vals: Vec<_> = multifield.values_for_doc(2u32).collect();
assert_eq!(vals, &[3]);
Ok(())
}

#[test]
fn test_with_sort_by_date_field() -> crate::Result<()> {
let mut schema_builder = Schema::builder();
let date_field = schema_builder.add_date_field("date", INDEXED | STORED | FAST);
let schema = schema_builder.build();

let settings = IndexSettings {
sort_by_field: Some(IndexSortByField {
field: "date".to_string(),
order: Order::Desc,
}),
..Default::default()
};

let index = Index::builder()
.schema(schema)
.settings(settings)
.create_in_ram()?;
let mut index_writer = index.writer_for_tests()?;
index_writer.set_merge_policy(Box::new(NoMergePolicy));

index_writer.add_document(doc!(
date_field => DateTime::from_timestamp_secs(1000),
))?;
index_writer.add_document(doc!(
date_field => DateTime::from_timestamp_secs(999),
))?;
index_writer.add_document(doc!(
date_field => DateTime::from_timestamp_secs(1001),
))?;
index_writer.commit()?;

let searcher = index.reader()?.searcher();
assert_eq!(searcher.segment_readers().len(), 1);
let segment_reader = searcher.segment_reader(0);
let fast_fields = segment_reader.fast_fields();

let fast_field = fast_fields
.date("date")
.unwrap()
.first_or_default_col(DateTime::from_timestamp_secs(0));
assert_eq!(fast_field.get_val(0), DateTime::from_timestamp_secs(1001));
assert_eq!(fast_field.get_val(1), DateTime::from_timestamp_secs(1000));
assert_eq!(fast_field.get_val(2), DateTime::from_timestamp_secs(999));
Ok(())
}

#[test]
fn test_doc_mapping() {
Expand Down