Merge pull request #1026 from sqlcipher/pragma-key-ok

use ExecuteScalar<string> to handle 'ok' result from PRAGMA key

Author: praeclarum

src/SQLite.cs

@@ -370,7 +370,7 @@ void SetKey (string key)
 			if (key == null)
 				throw new ArgumentNullException (nameof (key));
 			var q = Quote (key);
-			Execute ("pragma key = " + q);
+			ExecuteScalar<string> ("pragma key = " + q);
 		}
 
 		/// <summary>
@@ -387,7 +387,7 @@ void SetKey (byte[] key)
 			if (key.Length != 32)
 				throw new ArgumentException ("Key must be 32 bytes (256-bit)", nameof (key));
 			var s = String.Join ("", key.Select (x => x.ToString ("X2")));
-			Execute ("pragma key = \"x'" + s + "'\"");
+			ExecuteScalar<string> ("pragma key = \"x'" + s + "'\"");
 		}
 
 		/// <summary>