protected virtual void ParseIn(MethodCallExpression expression)
{
var column = expression.Arguments[0] as MemberExpression;
var value = this.GetRightValue(expression.Arguments[1]);
if (value is IEnumerable)
{
var val = value as IEnumerable;
if (val.IsNullOrEmpty_())
{
switch (__visitbinarytype)
{
case ExpressionType.And:
case ExpressionType.AndAlso: __sql.Append("(1<>1)"); break;
case ExpressionType.Or:
case ExpressionType.OrElse: __sql.Append("(1=1)"); break;
default: throw new NotImplementedException("暂时没实现 “{0}” 方法".F(__visitbinarytype.GetDescription_()));
}
}
else
{
__sql.AppendFormat("({0} IN (@{1}))", GetColumnName(withTableName, Database, column), context.Parameters.Count);
context.Parameters.Add(val);
}
}
else if (value is IGetBuilder)
{
var val = value as IGetBuilder;
__sql.AppendFormat("({0} IN ({1}))", GetColumnName(withTableName, Database, column), val.GetSql(context.Parameters));
}
}