using System.Text;

namespace Connected.Data.Schema.Sql
{
	internal class ConstraintDrop : TableTransaction
	{
		public ConstraintDrop(ObjectIndex index)
		{
			Index = index;
		}

		private ObjectIndex Index { get; }

		protected override async Task OnExecute()
		{
			await Context.Execute(CommandText);
		}
		private string CommandText
		{
			get
			{
				var text = new StringBuilder();

				text.AppendLine($"ALTER TABLE {Escape(Context.Schema.Schema, Context.Schema.Name)} DROP CONSTRAINT {Index.Name};");

				return text.ToString();
			}
		}
	}
}