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Updated DateTime to hold timestamp in microseconds, while making date…
… field precision configurable
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// # DateTime field example | ||
// | ||
// This example shows how the DateTime field can be used | ||
|
||
use tantivy::collector::TopDocs; | ||
use tantivy::query::QueryParser; | ||
use tantivy::schema::{Cardinality, DateOptions, Schema, Value, INDEXED, STORED, STRING}; | ||
use tantivy::Index; | ||
|
||
fn main() -> tantivy::Result<()> { | ||
// # Defining the schema | ||
let mut schema_builder = Schema::builder(); | ||
let opts = DateOptions::from(INDEXED) | ||
.set_stored() | ||
.set_fast(Cardinality::SingleValue) | ||
.set_precision(tantivy::DatePrecision::Seconds); | ||
let occurred_at = schema_builder.add_date_field("occurred_at", opts); | ||
let event_type = schema_builder.add_text_field("event", STRING | STORED); | ||
let schema = schema_builder.build(); | ||
|
||
// # Indexing documents | ||
let index = Index::create_in_ram(schema.clone()); | ||
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let mut index_writer = index.writer(50_000_000)?; | ||
let doc = schema.parse_document( | ||
r#"{ | ||
"occurred_at": "2022-06-22T12:53:50.53Z", | ||
"event": "pull-request" | ||
}"#, | ||
)?; | ||
index_writer.add_document(doc)?; | ||
let doc = schema.parse_document( | ||
r#"{ | ||
"occurred_at": "2022-06-22T13:00:00.22Z", | ||
"event": "comment" | ||
}"#, | ||
)?; | ||
index_writer.add_document(doc)?; | ||
index_writer.commit()?; | ||
|
||
let reader = index.reader()?; | ||
let searcher = reader.searcher(); | ||
|
||
// # Default fields: event_type | ||
let query_parser = QueryParser::for_index(&index, vec![event_type]); | ||
{ | ||
let query = query_parser.parse_query("event:comment")?; | ||
let count_docs = searcher.search(&*query, &TopDocs::with_limit(5))?; | ||
assert_eq!(count_docs.len(), 1); | ||
} | ||
{ | ||
let query = query_parser | ||
.parse_query(r#"occurred_at:[2022-06-22T12:58:00Z TO 2022-06-23T00:00:00Z}"#)?; | ||
let count_docs = searcher.search(&*query, &TopDocs::with_limit(4))?; | ||
assert_eq!(count_docs.len(), 1); | ||
for (_score, doc_address) in count_docs { | ||
let retrieved_doc = searcher.doc(doc_address)?; | ||
assert!(matches!( | ||
retrieved_doc.get_first(occurred_at), | ||
Some(Value::Date(_)) | ||
)); | ||
assert_eq!( | ||
schema.to_json(&retrieved_doc), | ||
r#"{"event":["comment"],"occurred_at":["2022-06-22T13:00:00.22Z"]}"# | ||
); | ||
} | ||
} | ||
Ok(()) | ||
} |
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