public static Expression Create (Expression searchedText, Expression unescapedSearchText, string likePrefix, string likePostfix)
{
var rightExpression = BuildRightExpression (unescapedSearchText, likePrefix, likePostfix);
if (rightExpression == null)
return Expression.Constant (false);
return new SqlLikeExpression (searchedText, rightExpression, new SqlLiteralExpression (@"\"));
}