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SQL

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API Reference:

Plugin providing an interface for the frontend to communicate with SQL databases through sqlx. It supports the SQLite, MySQL and PostgreSQL drivers, enabled by a Cargo feature.

Supported Platforms

This plugin requires a Rust version of at least 1.77.2

[TABLE]

Setup

Install the SQL plugin to get started.

Use your project’s package manager to add the dependency:

npm run tauri add sql
yarn run tauri add sql
pnpm tauri add sql
deno task tauri add sql
bun tauri add sql
cargo tauri add sql
  1. Run the following command in the src-tauri folder to add the plugin to the project’s dependencies in Cargo.toml:

    cargo add tauri-plugin-sql
  2. Modify lib.rs to initialize the plugin:

    #[cfg_attr(mobile, tauri::mobile_entry_point)]    pub fn run() {    tauri::Builder::default()        .plugin(tauri_plugin_sql::Builder::default().build())        .run(tauri::generate_context!())        .expect("error while running tauri application");}

    src-tauri/src/lib.rs

  3. Install the JavaScript Guest bindings using your preferred JavaScript package manager:

    npm install @tauri-apps/plugin-sql
    yarn add @tauri-apps/plugin-sql
    pnpm add @tauri-apps/plugin-sql
    deno add npm:@tauri-apps/plugin-sql
    bun add @tauri-apps/plugin-sql

After installing the plugin, you must select the supported database engine. The available engines are Sqlite, MySQL and PostgreSQL. Run the following command in the src-tauri folder to enable your preferred engine:

cargo add tauri-plugin-sql --features sqlite
cargo add tauri-plugin-sql --features mysql
cargo add tauri-plugin-sql --features postgres

Usage

All the plugin’s APIs are available through the JavaScript guest bindings:

The path is relative to tauri::api::path::BaseDirectory::AppConfig.

import Database from '@tauri-apps/plugin-sql';// when using `"withGlobalTauri": true`, you may use// const Database = window.__TAURI__.sql;
const db = await Database.load('sqlite:test.db');await db.execute('INSERT INTO ...');
import Database from '@tauri-apps/plugin-sql';// when using `"withGlobalTauri": true`, you may use// const Database = window.__TAURI__.sql;
const db = await Database.load('mysql://user:password@host/test');await db.execute('INSERT INTO ...');
import Database from '@tauri-apps/plugin-sql';// when using `"withGlobalTauri": true`, you may use// const Database = window.__TAURI__.sql;
const db = await Database.load('postgres://user:password@host/test');await db.execute('INSERT INTO ...');

Syntax

We use sqlx as the underlying library and adopt their query syntax.

Use the “$#” syntax when substituting query data

const result = await db.execute(  'INSERT into todos (id, title, status) VALUES ($1, $2, $3)',  [todos.id, todos.title, todos.status]);
const result = await db.execute(  'UPDATE todos SET title = $1, status = $2 WHERE id = $3',  [todos.title, todos.status, todos.id]);

Use “?” when substituting query data

const result = await db.execute(  'INSERT into todos (id, title, status) VALUES (?, ?, ?)',  [todos.id, todos.title, todos.status]);
const result = await db.execute(  'UPDATE todos SET title = ?, status = ? WHERE id = ?',  [todos.title, todos.status, todos.id]);

Use the “$#” syntax when substituting query data

const result = await db.execute(  'INSERT into todos (id, title, status) VALUES ($1, $2, $3)',  [todos.id, todos.title, todos.status]);
const result = await db.execute(  'UPDATE todos SET title = $1, status = $2 WHERE id = $3',  [todos.title, todos.status, todos.id]);

Migrations

This plugin supports database migrations, allowing you to manage database schema evolution over time.

Defining Migrations

Migrations are defined in Rust using the Migration struct. Each migration should include a unique version number, a description, the SQL to be executed, and the type of migration (Up or Down).

Example of a migration:

use tauri_plugin_sql::{Migration, MigrationKind};
let migration = Migration {    version: 1,    description: "create_initial_tables",    sql: "CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT);",    kind: MigrationKind::Up,};

Or if you want to use SQL from a file, you can include it by using include_str!:

use tauri_plugin_sql::{Migration, MigrationKind};
let migration = Migration {    version: 1,    description: "create_initial_tables",    sql: include_str!("../drizzle/0000_graceful_boomer.sql"),    kind: MigrationKind::Up,};

Adding Migrations to the Plugin Builder

Migrations are registered with the Builder struct provided by the plugin. Use the add_migrations method to add your migrations to the plugin for a specific database connection.

Example of adding migrations:

use tauri_plugin_sql::{Builder, Migration, MigrationKind};
fn main() {    let migrations = vec![        // Define your migrations here        Migration {            version: 1,            description: "create_initial_tables",            sql: "CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT);",            kind: MigrationKind::Up,        }    ];
    tauri::Builder::default()        .plugin(            tauri_plugin_sql::Builder::default()                .add_migrations("sqlite:mydatabase.db", migrations)                .build(),        )        ...}

src-tauri/src/main.rs

Applying Migrations

To apply the migrations when the plugin is initialized, add the connection string to the tauri.conf.json file:

{  "plugins": {    "sql": {      "preload": ["sqlite:mydatabase.db"]    }  }}

src-tauri/tauri.conf.json

Alternatively, the client side load() also runs the migrations for a given connection string:

import Database from '@tauri-apps/plugin-sql';const db = await Database.load('sqlite:mydatabase.db');

Ensure that the migrations are defined in the correct order and are safe to run multiple times.

Migration Management

  • Version Control: Each migration must have a unique version number. This is crucial for ensuring the migrations are applied in the correct order.
  • Idempotency: Write migrations in a way that they can be safely re-run without causing errors or unintended consequences.
  • Testing: Thoroughly test migrations to ensure they work as expected and do not compromise the integrity of your database.

Permissions

By default all potentially dangerous plugin commands and scopes are blocked and cannot be accessed. You must modify the permissions in your capabilities configuration to enable these.

See the Capabilities Overview for more information and the step by step guide to use plugin permissions.

{  "permissions": [    ...,    "sql:default",    "sql:allow-execute",  ]}

src-tauri/capabilities/default.json

Default Permission

Default Permissions

This permission set configures what kind of database operations are available from the sql plugin.

Granted Permissions

All reading related operations are enabled. Also allows to load or close a connection.

This default permission set includes the following:

  • allow-close
  • allow-load
  • allow-select

Permission Table

IdentifierDescription
sql:allow-closeEnables the close command without any pre-configured scope.
sql:deny-closeDenies the close command without any pre-configured scope.
sql:allow-executeEnables the execute command without any pre-configured scope.
sql:deny-executeDenies the execute command without any pre-configured scope.
sql:allow-loadEnables the load command without any pre-configured scope.
sql:deny-loadDenies the load command without any pre-configured scope.
sql:allow-selectEnables the select command without any pre-configured scope.
sql:deny-selectDenies the select command without any pre-configured scope.

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Last updated Oct 08, 2026