fix(_getKV): error: type "string" does not exist due to ::STRING cast

fixes #83

Signed-off-by: Tobias Gurtzick <magic@wizardtales.com>

Author: wzrdtales

index.js

@@ -664,7 +664,7 @@ var PgDriver = Base.extend({
     var sql =
       `SELECT ${this.escapeDDL('key')},
         ${this.escapeDDL('value')},
-        ${this.escapeDDL('run_on')}::STRING
+        ${this.escapeDDL('run_on')}::${this.mapDataType(this.type.STRING)}
         FROM ` +
       this._escapeDDL +
       table +

test/pg_test.js

@@ -38,6 +38,7 @@ lab.experiment('pg', () => {
     meta = _meta;
 
     db = con;
+    Promise.promisifyAll(db);
   });
 
   lab.experiment('connections', () => {
@@ -968,6 +969,25 @@ lab.experiment('pg', () => {
     });
   });
 
+  lab.experiment('_getKV', () => {
+    let rows;
+
+    lab.before(async () => {
+      await db._createKV('test');
+    });
+
+    lab.test('can read written keys', async () => {
+      await db._insertKV('test', 'test', 'test123');
+      const e = await db._getKV('test', 'test');
+      expect(e).to.exist();
+      expect(e.value).to.equal('test123');
+    });
+
+    lab.after(async () => {
+      await db.dropTable('test');
+    });
+  });
+
   lab.after(() => db.close());
 });