/// <summary>
/// 设置指定的查询语句并返回当前语句
/// </summary>
/// <param name="command">选择语句</param>
/// <param name="type">主题类型</param>
/// <param name="relativeID">相关ID</param>
/// <param name="includeHide">是否包含隐藏主题</param>
/// <returns>当前语句</returns>
internal static SelectCommand Where(this SelectCommand command, ForumTopicType type, Int32 relativeID, Boolean includeHide)
{
SqlConditionBuilder c = command.ConditionBuilder;
AbstractSqlCondition condition = command.WhereCondition as AbstractSqlCondition;
AbstractSqlCondition temp = null;
//不包含隐藏
if (!includeHide)
{
temp = c.Equal(ForumTopicRepository.ISHIDE, false);
condition = (condition == null ? temp : condition & temp);
}
if (type == ForumTopicType.Default) //普通讨论板中包括题目专属讨论板的帖子
{
temp = c.LessThan(ForumTopicRepository.TYPE, (Byte)ForumTopicType.Contest); //普通0，题目1，竞赛2
condition = (condition == null ? temp : condition & temp);
}
else//竞赛或题目专属讨论板只有专属帖子
{
temp = c.Equal(ForumTopicRepository.TYPE, (Byte)type) & c.Equal(ForumTopicRepository.RELATIVEID, relativeID);
condition = (condition == null ? temp : condition & temp);
}
return(command.Where(condition));
}
public void LinqCreateBasicConditionTest()
{
AbstractDatabase fakeDb = DatabaseFactory.CreateDatabase("", "System.Data.SqlClient") as AbstractDatabase;
SelectCommand expectedCommand = fakeDb.CreateSelectCommand("");
SelectCommand actualCommand = fakeDb.CreateSelectCommand("");
SqlConditionBuilder expectedConditionBuilder = expectedCommand.ConditionBuilder;
SqlBasicParameterCondition expectedCondition = expectedConditionBuilder.Equal("TestColumn2", 123);
SqlBasicParameterCondition actualCondition = SqlLinqCondition.Create <TestEntity>(actualCommand, c => c.Test2 == 123) as SqlBasicParameterCondition;
Assert.AreEqual(expectedCondition, actualCondition);
SqlBasicParameterCondition expectedCondition2 = expectedConditionBuilder.NotEqual("TestColumn2", 123);
SqlBasicParameterCondition actualCondition2 = SqlLinqCondition.Create <TestEntity>(actualCommand, c => c.Test2 != 123) as SqlBasicParameterCondition;
Assert.AreEqual(expectedCondition2, actualCondition2);
SqlBasicParameterCondition expectedCondition3 = expectedConditionBuilder.GreaterThan("TestColumn2", 123);
SqlBasicParameterCondition actualCondition3 = SqlLinqCondition.Create <TestEntity>(actualCommand, c => c.Test2 > 123) as SqlBasicParameterCondition;
Assert.AreEqual(expectedCondition3, actualCondition3);
SqlBasicParameterCondition expectedCondition4 = expectedConditionBuilder.LessThan("TestColumn2", 123);
SqlBasicParameterCondition actualCondition4 = SqlLinqCondition.Create <TestEntity>(actualCommand, c => c.Test2 < 123) as SqlBasicParameterCondition;
Assert.AreEqual(expectedCondition4, actualCondition4);
SqlBasicParameterCondition expectedCondition5 = expectedConditionBuilder.GreaterThanOrEqual("TestColumn2", 123);
SqlBasicParameterCondition actualCondition5 = SqlLinqCondition.Create <TestEntity>(actualCommand, c => c.Test2 >= 123) as SqlBasicParameterCondition;
Assert.AreEqual(expectedCondition5, actualCondition5);
SqlBasicParameterCondition expectedCondition6 = expectedConditionBuilder.LessThanOrEqual("TestColumn2", 123);
SqlBasicParameterCondition actualCondition6 = SqlLinqCondition.Create <TestEntity>(actualCommand, c => c.Test2 <= 123) as SqlBasicParameterCondition;
Assert.AreEqual(expectedCondition6, actualCondition6);
SqlBasicParameterCondition expectedCondition7 = expectedConditionBuilder.IsNotNull("TestColumn1");
SqlBasicParameterCondition actualCondition7 = SqlLinqCondition.Create <TestEntity>(actualCommand, c => c.Test1 != null) as SqlBasicParameterCondition;
Assert.AreEqual(expectedCondition7, actualCondition7);
SqlBasicParameterCondition expectedCondition8 = expectedConditionBuilder.IsNull("TestColumn3");
SqlBasicParameterCondition actualCondition8 = SqlLinqCondition.Create <TestEntity>(actualCommand, c => c.Test3 == null) as SqlBasicParameterCondition;
Assert.AreEqual(expectedCondition8, actualCondition8);
SqlBasicParameterCondition expectedCondition10 = expectedConditionBuilder.EqualColumn("TestColumn2", "TestColumn3");
SqlBasicParameterCondition actualCondition10 = SqlLinqCondition.Create <TestEntity>(actualCommand, c => c.Test2 == c.Test3) as SqlBasicParameterCondition;
Assert.AreEqual(expectedCondition10, actualCondition10);
}
public void LinqCreateConditionListTest()
{
AbstractDatabase fakeDb = DatabaseFactory.CreateDatabase("", "System.Data.SqlClient") as AbstractDatabase;
SelectCommand expectedCommand = fakeDb.CreateSelectCommand("");
SelectCommand actualCommand = fakeDb.CreateSelectCommand("");
SqlConditionBuilder expectedConditionBuilder = expectedCommand.ConditionBuilder;
AbstractSqlCondition expectedCondition = expectedConditionBuilder.GreaterThanOrEqual("TestColumn2", 123) & expectedConditionBuilder.LessThan("TestColumn2", 456);
AbstractSqlCondition actualCondition = SqlLinqCondition.Create <TestEntity>(actualCommand, c => c.Test2 >= 123 && c.Test2 < 456) as SqlConditionList;
Assert.AreEqual(expectedCondition, actualCondition);
AbstractSqlCondition expectedCondition2 = expectedConditionBuilder.GreaterThanOrEqual("TestColumn2", 123) | (expectedConditionBuilder.GreaterThan("TestColumn4", DateTime.Now) & expectedConditionBuilder.LessThan("TestColumn7", DateTime.Now.AddDays(7)));
AbstractSqlCondition actualCondition2 = SqlLinqCondition.Create <TestEntity>(actualCommand, c => c.Test2 >= 123 || (c.Test4 > DateTime.Now && c.Test7 < DateTime.Now.AddDays(7))) as SqlConditionList;
Assert.AreEqual(expectedCondition2, actualCondition2);
}
