Adding insert data results in prepared statements #71

Also adding related test to show how it can be used

Author: gionatamettifogo

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@sqlitecloud/drivers",
-  "version": "1.0.120",
+  "version": "1.0.122",
   "description": "SQLiteCloud drivers for Typescript/Javascript in edge, web and node clients",
   "main": "./lib/index.js",
   "types": "./lib/index.d.ts",

src/drivers/database.ts

@@ -214,7 +214,7 @@ export class Database extends EventEmitter {
           } else {
             // context may include id of last row inserted, total changes, etc...
             const context = this.processContext(results)
-            callback?.call(context || this, null, context ? undefined : results)
+            callback?.call(context || this, null, context ? context : results)
           }
         })
       }

test/shared.ts

@@ -195,7 +195,7 @@ export function getTestingDatabase(callback?: ResultsCallback): Database {
       }
       expect(results).toBeDefined()
       expect(results[0][42]).toBe(42)
-      callback?.call(database, null)
+      callback?.call(database, null, database)
     })
   })
 

test/statement.test.ts

@@ -4,7 +4,7 @@
 
 import { SQLiteCloudRowset } from '../src'
 import { RowCallback, RowCountCallback, SQLiteCloudError } from '../src/drivers/types'
-import { getChinookDatabase } from './shared'
+import { getChinookDatabase, getTestingDatabase } from './shared'
 
 describe('Database.prepare', () => {
   it('without incorrect bindings', done => {
@@ -201,3 +201,23 @@ it('Statement.run', done => {
     })
   })
 })
+
+it('Statement.run - with insert results', done => {
+  // create simple "people" database that we can write in...
+  const database = getTestingDatabase(error => {
+    expect(error).toBeNull()
+
+    const statement = database.prepare('INSERT INTO people (name, hobby, age) VALUES (?, ?, ?); ')
+
+    // @ts-ignore
+    statement.run('John Wayne', 73, 'Horse Riding', (error, results) => {
+      // this is an insert statement and the result will indicate number of changes, etc.
+      console.debug(`insert results: `, results)
+
+      expect(results.lastID).toBeGreaterThan(1)
+      expect(results.changes).toBe(1)
+
+      done()
+    })
+  })
+})