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Feature/reader (#517)

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Adding IndexReader to the API. Making it possible to watch for changes.

* Closes #500
This commit is contained in:
Paul Masurel
2019-03-20 08:39:22 +09:00
committed by GitHub
parent a934577168
commit 663dd89c05
63 changed files with 1354 additions and 654 deletions
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5
examples/integer_range_search.rs
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@@ -19,6 +19,7 @@ fn run() -> Result<()> {
let year_field = schema_builder.add_u64_field("year", INDEXED);
let schema = schema_builder.build();
let index = Index::create_in_ram(schema);
let reader = index.reader()?;
{
let mut index_writer = index.writer_with_num_threads(1, 6_000_000)?;
for year in 1950u64..2019u64 {
@@ -27,8 +28,8 @@ fn run() -> Result<()> {
index_writer.commit()?;
// The index will be a range of years
}
index.load_searchers()?;
let searcher = index.searcher();
reader.reload()?;
let searcher = reader.searcher();
// The end is excluded i.e. here we are searching up to 1969
let docs_in_the_sixties = RangeQuery::new_u64(year_field, 1960..1970);
// Uses a Count collector to sum the total number of docs in the range