Пример #1
0
        private static void Contains(MethodCallExpression expression, SqlPack sqlPack)
        {
            MethodInfo method = expression.Method;

            if (method.DeclaringType == typeof(String) || method.DeclaringType == typeof(string))
            {
                if (expression.Object != null)
                {
                    FluentExpressionSQLProvider.Where(expression.Object, sqlPack);
                }
                string result = "";

                var column = expression.Arguments[0].GetValueOrColumnName(sqlPack);

                result = sqlPack.SqlDialectProvider.ConvertDbFunction(DbFunctionType.Contains, column);

                sqlPack += " LIKE ";

                sqlPack.CurrentDbFunctionResult = result;
            }
            else
            {
                var declaringType = method.DeclaringType;
                // typeof(IList).IsAssignableFrom(declaringType) || typeof(IEnumerable).IsAssignableFrom(declaringType) || (declaringType.IsGenericType && typeof(ICollection<>).MakeGenericType(declaringType.GetGenericArguments()).IsAssignableFrom(declaringType))
                if (declaringType.IsListType())
                {
                    var memberExp = expression.Object;
                    FluentExpressionSQLProvider.Where(expression.Arguments[0], sqlPack);
                    sqlPack += " IN ";
                    FluentExpressionSQLProvider.In(memberExp, sqlPack);
                }
                else if (method.IsStatic && declaringType == typeof(System.Linq.Enumerable) && expression.Arguments.Count == 2)
                {
                    FluentExpressionSQLProvider.Where(expression.Arguments[1], sqlPack);
                    sqlPack += " IN ";
                    FluentExpressionSQLProvider.In(expression.Arguments[0], sqlPack);
                }
            }



            //sqlPack += " LIKE '%' +";
            //FluentExpressionSQLProvider.Where(expression.Arguments[0], sqlPack);
            //sqlPack += " + '%'";
        }
Пример #2
0
 private static void InNot(MethodCallExpression expression, SqlPack sqlPack)
 {
     FluentExpressionSQLProvider.Where(expression.Arguments[0], sqlPack);
     sqlPack += " NOT IN ";
     FluentExpressionSQLProvider.In(expression.Arguments[1], sqlPack);
 }