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https://github.com/asg017/sqlite-vec.git
synced 2026-04-24 16:26:37 +02:00
small demo fixes
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parent
f532692f7b
commit
c446cc3963
3 changed files with 8 additions and 14 deletions
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@ -22,7 +22,7 @@ const items = [
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];
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const query = [0.3, 0.3, 0.3, 0.3];
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db.exec("CREATE VIRTUAL TABLE vec_items USING vec0(embedding float[8])");
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db.exec("CREATE VIRTUAL TABLE vec_items USING vec0(embedding float[4])");
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const insertStmt = db.prepare(
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"INSERT INTO vec_items(rowid, embedding) VALUES (?, vec_f32(?))"
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@ -48,6 +48,6 @@ const rows = db
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LIMIT 3
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`
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)
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.all(query);
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.all(new Float32Array(query));
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console.log(rows);
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@ -1,5 +1,5 @@
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import { Database } from "jsr:@db/sqlite@0.11";
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import * as sqliteVec from "npm:sqlite-vec@0.0.1-alpha.3";
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import * as sqliteVec from "npm:sqlite-vec@0.0.1-alpha.9";
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const db = new Database(":memory:");
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db.enableLoadExtension = true;
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@ -8,7 +8,7 @@ db.enableLoadExtension = false;
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const [sqlite_version, vec_version] = db
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.prepare("select sqlite_version(), vec_version()")
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.value<[string]>()!;
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.value<[string, string]>()!;
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console.log(`sqlite_version=${sqlite_version}, vec_version=${vec_version}`);
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const items = [
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@ -10,25 +10,16 @@ def serialize_f32(vector: List[float]) -> bytes:
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return struct.pack("%sf" % len(vector), *vector)
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def serialize_int8(vector: List[int]) -> bytes:
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"""serializes a list of int8 into a compact "raw bytes" format"""
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return struct.pack("%sb" % len(vector), *vector)
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db = sqlite3.connect(":memory:")
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db.enable_load_extension(True)
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sqlite_vec.load(db)
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db.enable_load_extension(False)
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sqlite_version, vec_version = db.execute(
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"select sqlite_version(), vec_version()"
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).fetchone()
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print(f"sqlite_version={sqlite_version}, vec_version={vec_version}")
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db.execute("CREATE VIRTUAL TABLE vec_items USING vec0(embedding float[4])")
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items = [
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(1, [0.1, 0.1, 0.1, 0.1]),
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(2, [0.2, 0.2, 0.2, 0.2]),
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@ -36,6 +27,10 @@ items = [
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(4, [0.4, 0.4, 0.4, 0.4]),
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(5, [0.5, 0.5, 0.5, 0.5]),
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]
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query = [0.3, 0.3, 0.3, 0.3]
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db.execute("CREATE VIRTUAL TABLE vec_items USING vec0(embedding float[4])")
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with db:
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for item in items:
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db.execute(
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@ -43,7 +38,6 @@ with db:
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[item[0], serialize_f32(item[1])],
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)
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query = [0.3, 0.3, 0.3, 0.3]
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rows = db.execute(
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"""
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SELECT
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