fix exec to run over multiple statements in the string

bindings/javascript/packages/native/compat.test.ts

@@ -11,6 +11,14 @@ test('in-memory db', () => {
     expect(rows).toEqual([{ x: 1 }, { x: 3 }]);
 })
 
+test('exec multiple statements', async () => {
+    const db = new Database(":memory:");
+    db.exec("CREATE TABLE t(x); INSERT INTO t VALUES (1); INSERT INTO t VALUES (2)");
+    const stmt = db.prepare("SELECT * FROM t");
+    const rows = stmt.all();
+    expect(rows).toEqual([{ x: 1 }, { x: 2 }]);
+})
+
 test('readonly-db', () => {
     const path = `test-${(Math.random() * 10000) | 0}.db`;
     try {

bindings/javascript/packages/native/index.d.ts

@@ -1,5 +1,10 @@
 /* auto-generated by NAPI-RS */
 /* eslint-disable */
+export declare class BatchExecutor {
+  stepSync(): number
+  reset(): void
+}
+
 /** A database connection. */
 export declare class Database {
   /**
@@ -39,6 +44,7 @@ export declare class Database {
    * A `Statement` instance.
    */
   prepare(sql: string): Statement
+  executor(sql: string): BatchExecutor
   /**
    * Returns the rowid of the last row inserted.
    *

bindings/javascript/packages/native/index.js

@@ -508,6 +508,7 @@ if (!nativeBinding) {
   throw new Error(`Failed to load native binding`)
 }
 
-const { Database, Statement } = nativeBinding
+const { BatchExecutor, Database, Statement } = nativeBinding
+export { BatchExecutor }
 export { Database }
 export { Statement }

bindings/javascript/packages/native/promise.test.ts

@@ -31,6 +31,14 @@ test('in-memory-db-async', async () => {
     expect(rows).toEqual([{ x: 1 }, { x: 3 }]);
 })
 
+test('exec multiple statements', async () => {
+    const db = await connect(":memory:");
+    await db.exec("CREATE TABLE t(x); INSERT INTO t VALUES (1); INSERT INTO t VALUES (2)");
+    const stmt = db.prepare("SELECT * FROM t");
+    const rows = await stmt.all();
+    expect(rows).toEqual([{ x: 1 }, { x: 2 }]);
+})
+
 test('readonly-db', async () => {
     const path = `test-${(Math.random() * 10000) | 0}.db`;
     try {