Esempio n. 1
0
            private void CoerceTypeFamily(SqlExpression arg1, SqlExpression arg2)
            {
                if ((arg1.SqlType.HasPrecisionAndScale && arg2.SqlType.HasPrecisionAndScale && arg1.SqlType != arg2.SqlType) ||
                    SqlFactory.IsSqlHighPrecisionDateTimeType(arg1) || SqlFactory.IsSqlHighPrecisionDateTimeType(arg2))
                {
                    ProviderType best = typeProvider.GetBestType(arg1.SqlType, arg2.SqlType);
                    SetSqlTypeIfSimpleExpression(arg1, best);
                    SetSqlTypeIfSimpleExpression(arg2, best);
                    return;
                }

                // The SQL data type DATE is special, in that it has a higher range but lower
                // precedence, so we need to account for that here (DevDiv 175229)
                if (SqlFactory.IsSqlDateType(arg1) && !SqlFactory.IsSqlHighPrecisionDateTimeType(arg2))
                {
                    SetSqlTypeIfSimpleExpression(arg2, arg1.SqlType);
                }
                else if (SqlFactory.IsSqlDateType(arg2) && !SqlFactory.IsSqlHighPrecisionDateTimeType(arg1))
                {
                    SetSqlTypeIfSimpleExpression(arg1, arg2.SqlType);
                }
            }