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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"sqlite: add serialize() and deserialize() to DatabaseSync","articleBody":"### What is the problem this feature will solve?\n\nThere is currently no way to extract a database's contents as a binary buffer or load a database from one. Users may use this for snapshot, clone, transfer, etc. Popular libraries like `better-sqlite3` expose `db.serialize()` and `new Database(buffer)` for this purpose.\n\n### What is the feature you are proposing to solve the problem?\n\nAdd serialize() and deserialize() methods to DatabaseSync:\n\n```javascript\nconst { DatabaseSync } = require('node:sqlite');\n\n// serialize: returns the database as a Uint8Array\nconst db = new DatabaseSync(':memory:');\ndb.exec(\"CREATE TABLE t(x TEXT)\");\ndb.exec(\"INSERT INTO t VALUES ('hello')\");\nconst buffer = db.serialize(); // Uint8Array\n\n// deserialize: loads a buffer into the connection, replacing the current database\nconst db2 = new DatabaseSync(':memory:');\ndb2.deserialize(buffer);\ndb2.prepare('SELECT * FROM t').get(); // { x: 'hello' }\n```\n\n### What alternatives have you considered?\n\n1. VACUUM INTO + fs.readFileSync: Requires disk I/O, a temp file path, and manual cleanup\n2. backup() API","author":{"url":"https://github.com/thisalihassan","@type":"Person","name":"thisalihassan"},"datePublished":"2026-04-03T11:50:16.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/62575/node/issues/62575"}