小编Fra*_*aki的帖子

这是我的表情课

        public static class ExpressionBuilder
    {
        private static MethodInfo containsMethod = typeof(string).GetMethod("Contains");
        private static MethodInfo startsWithMethod = typeof(string).GetMethod("StartsWith", new Type[] { typeof(string) });
        private static MethodInfo endsWithMethod = typeof(string).GetMethod("EndsWith", new Type[] { typeof(string) });


        public static Expression<Func<T,
        bool>> GetExpression<T>(IList<Filter> filters)
        {
            if (filters.Count == 0)
                return null;

            ParameterExpression param = Expression.Parameter(typeof(T), "t");
            Expression exp = null;

            if (filters.Count == 1)
                exp = GetExpression<T>(param, filters[0]);
            else if (filters.Count == 2)
                exp = GetExpression<T>(param, filters[0], filters[1]);
            else
            {
                while (filters.Count > 0) …

我有这个存储过程：

Declare @MarketID AS NVARCHAR(MAX) = '1.136529848';
Declare @UserID AS NVARCHAR(MAX) = '6a309d84-d1c6-434d-b9df-4f96a74da912';

DECLARE @colsSelect AS NVARCHAR(MAX);
DECLARE @colsTemp AS NVARCHAR(MAX);
DECLARE @query AS NVARCHAR(MAX);

SELECT
    @colsSelect = STUFF((SELECT distinct ',' +
                    '''''' + ' as ' + QUOTENAME(name) 
                         FROM RunnersInfoes  AS t 
                         WHERE marketID = @MarketID 
                         FOR XML PATH(''), TYPE).value('.', 'NVARCHAR(MAX)') , 1, 1, '');

PRINT @colsSelect

SET @query= ';WITH cte AS
             (
                  SELECT
                      id, ParentId, 0 AS Level, Share, AccountTypeName, FirstName
                  FROM
                      dbo.View_UserProfile 
                  WHERE
                      View_UserProfile.id = ' + …