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sqlite: add serialize() and deserialize() to DatabaseSync #62579

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nodejs-github-bot merged 3 commits into from
Apr 10, 2026
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sqlite: add serialize() and deserialize() to DatabaseSync #62579

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sqlite: add serialize() and deserialize()
thisalihassan Apr 3, 2026
86127c0
add ownership comment to deserialize
thisalihassan Apr 4, 2026
607d8c3
doc: added mjs samples for sqlite
thisalihassan Apr 8, 2026
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doc: added mjs samples for sqlite 
Signed-off-by: Ali Hassan <ali-hassan27@outlook.com>
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@thisalihassan
thisalihassan committed Apr 8, 2026
commit 607d8c37fb677a843783af7a324dc5d1c9106d36
25 changes: 25 additions & 0 deletions doc/api/sqlite.md
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Expand Up @@ -546,6 +546,16 @@ Serializes the database into a binary representation, returned as a
`Uint8Array`. This is useful for saving, cloning, or transferring an in-memory
database. This method is a wrapper around [`sqlite3_serialize()`][].

```mjs
import { DatabaseSync } from 'node:sqlite';

const db = new DatabaseSync(':memory:');
db.exec('CREATE TABLE t(key INTEGER PRIMARY KEY, value TEXT)');
db.exec("INSERT INTO t VALUES (1, 'hello')");
const buffer = db.serialize();
console.log(buffer.length); // Prints the byte length of the database
```

```cjs
const { DatabaseSync } = require('node:sqlite');

Expand Down Expand Up @@ -574,6 +584,21 @@ are finalized before deserialization is attempted, even if the operation
subsequently fails. This method is a wrapper around
[`sqlite3_deserialize()`][].

```mjs
import { DatabaseSync } from 'node:sqlite';

const original = new DatabaseSync(':memory:');
original.exec('CREATE TABLE t(key INTEGER PRIMARY KEY, value TEXT)');
original.exec("INSERT INTO t VALUES (1, 'hello')");
const buffer = original.serialize();
original.close();

const clone = new DatabaseSync(':memory:');
clone.deserialize(buffer);
console.log(clone.prepare('SELECT value FROM t').get());
// Prints: { value: 'hello' }
```

```cjs
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const { DatabaseSync } = require('node:sqlite');

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