From cb3217528334f88cc5cbecd0e997d0b624fadcc9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Renault?= <clement@meilisearch.com>
Date: Sun, 26 Nov 2023 11:27:13 +0100
Subject: [PATCH] Use the INTEGER_KEY database flag to gain (a little bit of)
 space

---
 Cargo.toml                    | 2 +-
 examples/compare_with_hnsw.rs | 8 +++++---
 examples/debug.rs             | 8 ++++++--
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 68ccf36d..1a9f715c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 bytemuck = { version = "1.14.0", features = ["derive", "extern_crate_alloc"] }
 byteorder = "1.5.0"
-heed = "0.20.0-alpha.7"
+heed = "0.20.0-alpha.8"
 ordered-float = "4.1.1"
 rand = { version = "0.8.5", features = ["alloc"] }
 thiserror = "1.0.50"
diff --git a/examples/compare_with_hnsw.rs b/examples/compare_with_hnsw.rs
index bb77f2d3..5da3e43e 100644
--- a/examples/compare_with_hnsw.rs
+++ b/examples/compare_with_hnsw.rs
@@ -25,9 +25,11 @@ fn main() -> Result<()> {
     eprintln!("took {:.02?} to generate the {NUMBER_VECTORS} random points", before.elapsed());
 
     let mut wtxn = env.write_txn()?;
-    let mut options = env.database_options();
-    options.flags(DatabaseFlags::INTEGER_KEY);
-    let database = options.types::<KeyCodec, Unspecified>().create(&mut wtxn)?;
+    let database = env
+        .database_options()
+        .flags(DatabaseFlags::INTEGER_KEY)
+        .types::<KeyCodec, Unspecified>()
+        .create(&mut wtxn)?;
     let before = Instant::now();
     load_into_arroy(rng_arroy, wtxn, database, VECTOR_DIMENSIONS, &points)?;
     eprintln!("took {:.02?} to load into arroy", before.elapsed());
diff --git a/examples/debug.rs b/examples/debug.rs
index d8816178..a79bffb9 100644
--- a/examples/debug.rs
+++ b/examples/debug.rs
@@ -1,6 +1,6 @@
 use arroy::{DotProduct, KeyCodec, NodeCodec, NodeMode, Reader, Result, Writer};
 use heed::types::LazyDecode;
-use heed::{Database, EnvOpenOptions, Unspecified};
+use heed::{DatabaseFlags, EnvOpenOptions, Unspecified};
 
 const TWENTY_HUNDRED_MIB: usize = 200 * 1024 * 1024;
 
@@ -11,7 +11,11 @@ fn main() -> Result<()> {
     // we will open the default unnamed database
     let mut wtxn = env.write_txn()?;
     let dimensions = 2;
-    let database: Database<KeyCodec, Unspecified> = env.create_database(&mut wtxn, None)?;
+    let database = env
+        .database_options()
+        .types::<KeyCodec, Unspecified>()
+        .flags(DatabaseFlags::INTEGER_KEY)
+        .create(&mut wtxn)?;
     let writer = Writer::<DotProduct>::prepare(&mut wtxn, database, 0, dimensions)?;
 
     for i in 0..5 {