标签：SqlBuilder 示例 C# builder 代碼 var new
本文整理匯總了C#中SqlBuilder類的典型用法代碼示例。如果您正苦於以下問題：C# SqlBuilder類的具體用法？C# SqlBuilder怎麽用？C# SqlBuilder使用的例子？那麽恭喜您, 這裏精選的類代碼示例或許可以為您提供幫助。
SqlBuilder類屬於命名空間，在下文中一共展示了SqlBuilder類的20個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於我們的係統推薦出更棒的C#代碼示例。
示例1: List
/// <summary>
/// The list of results.
/// </summary>
/// <param name="maxResults">The max results.</param>
/// <param name="start">The start</param>
/// <param name="finish">The finish</param>
/// <param name="orderBy">The order by.</param>
/// <returns>The result set</returns>
public override IEnumerable<Guid> List(
int maxResults,
DateTime? start = null,
DateTime? finish = null,
ListResultsOrder orderBy = ListResultsOrder.Descending)
{
var builder = new SqlBuilder();
var t = builder.AddTemplate("select Id from MiniProfilers /**where**/ /**orderby**/ LIMIT(" + maxResults + ")");
if (start != null)
{
builder.Where("Started > @start", new { start });
}
if (finish != null)
{
builder.Where("Started < @finish", new { finish });
}
builder.OrderBy(orderBy == ListResultsOrder.Descending ? "Started desc" : "Started asc");
using (var conn = GetOpenConnection())
{
return conn.Query<Guid>(t.RawSql, t.Parameters).ToList();
}
}示例2: BuilderSelectClause
public void BuilderSelectClause()
{
using (var dbConn = dbFactory.OpenDbConnection())
using (var dbCmd = dbConn.CreateCommand())
{
var rand = new Random(8675309);
var data = new List<User>();
for (var i = 0; i < 100; i++)
{
var nU = new User { Age = rand.Next(70), Id = i, Name = Guid.NewGuid().ToString() };
data.Add(nU);
dbCmd.Insert(nU);
nU.Id = (int) dbCmd.GetLastInsertId();
}
var builder = new SqlBuilder();
var justId = builder.AddTemplate("SELECT /**select**/ FROM Users");
var all = builder.AddTemplate("SELECT /**select**/, Name, Age FROM Users");
builder.Select("Id");
var ids = dbCmd.Query<int>(justId.RawSql, justId.Parameters);
var users = dbCmd.Query<User>(all.RawSql, all.Parameters);
foreach (var u in data)
{
Assert.That(ids.Any(i => u.Id == i), "Missing ids in select");
Assert.That(users.Any(a => a.Id == u.Id && a.Name == u.Name && a.Age == u.Age), "Missing users in select");
}
}
}示例3: GetAlls
public static IEnumerable<BusOperator> GetAlls()
{
var builder = new SqlBuilder();
var template = builder.AddTemplate(@"
select *
from BusOperator bo
order by bo.Name");
return Current.DB.Query<BusOperator>(template.RawSql, template.Parameters);
}示例4: TestLessThanConstraint
public void TestLessThanConstraint()
{
SqlBuilder builder = new SqlBuilder( StatementType.Count, typeof(MailingList) );
builder.AddConstraint( Operator.LessThan, "Id", 3 );
int count = GetCount( builder );
Assert.AreEqual( 2, count );
}示例5: TestGreaterThanOrEqualsConstraint
public void TestGreaterThanOrEqualsConstraint()
{
SqlBuilder builder = new SqlBuilder( StatementType.Count, typeof(MailingList) );
builder.AddConstraint( Operator.GreaterThanOrEquals, "Id", 3 );
int count = GetCount( builder );
Assert.AreEqual( 1, count );
}示例6: GetCount
private int GetCount( SqlBuilder builder )
{
SqlStatement statement = builder.GetStatement();
SqlResult result = statement.Execute();
int count = result.Count;
return count;
}示例7: TestCRUD
public void TestCRUD()
{
// skip test if GUIDs are not supported by database backend
if( runTest )
{
o1 = new GuidHolder( 42 );
// insert
o1.Persist();
// select
o2 = GuidHolder.Retrieve( o1.Id );
// verify select/insert
Assert.IsNotNull( o2.Id, "The object could not be retrieved from the database!" );
Assert.AreEqual( o1.Id, o2.Id, "The object could not be retrieved from the database!" );
Assert.AreEqual( o1.SomeValue, o2.SomeValue, "The object could not be retrieved from the database!" );
// update
o2.SomeValue = 1234;
o2.Persist();
// verify update
o1 = GuidHolder.Retrieve( o2.Id );
Assert.AreEqual( o2.Id, o1.Id, "The object could not be retrieved from the database!" );
// delete
o2.Remove();
// verify delete by counting the number of rows
SqlBuilder sb = new SqlBuilder( StatementType.Count, typeof(GuidHolder) );
sb.AddConstraint( Operator.Equals, "Id", o1.Id );
SqlResult sr = Broker.Execute( sb.GetStatement( true ) );
Assert.AreEqual( 0, sr.Count, "Object not removed" );
}
}示例8: InitChannels
private void InitChannels()
{
listViewChannels.Clear();
listViewChannels.BeginUpdate();
try
{
SqlBuilder sb = new SqlBuilder(Gentle.Framework.StatementType.Select, typeof (Channel));
if (checkBoxGuideChannels.Checked)
{
sb.AddConstraint(Operator.Equals, "visibleInGuide", 1);
}
sb.AddConstraint(Operator.Equals, "isTv", 1);
sb.AddOrderByField(true, "sortOrder");
sb.AddOrderByField(true, "displayName");
SqlStatement stmt = sb.GetStatement(true);
IList<Channel> channels = ObjectFactory.GetCollection<Channel>(stmt.Execute());
for (int i = 0; i < channels.Count; i++)
{
// TODO: add imagelist with channel logos from MP :)
ListViewItem curItem = new ListViewItem(channels[i].DisplayName);
curItem.Tag = channels[i];
listViewChannels.Items.Add(curItem);
}
}
finally
{
listViewChannels.EndUpdate();
}
mpButtonOk.Enabled = (listViewChannels.Items.Count > 0);
}示例9: Prepare
internal override PreparedDatabaseCommand Prepare(DocumentStore store, Guid etag, int uniqueParameterIdentifier)
{
var values = ConvertAnonymousToProjections(table, projections);
values[table.EtagColumn] = etag;
values[table.ModifiedAtColumn] = DateTimeOffset.Now;
var sql = new SqlBuilder()
.Append("update {0} set {1} where {2}[email protected]{3}",
store.Database.FormatTableNameAndEscape(table.Name),
string.Join(", ", from column in values.Keys select column.Name + "[email protected]" + column.Name + uniqueParameterIdentifier),
table.IdColumn.Name,
uniqueParameterIdentifier)
.Append(!lastWriteWins, "and {0}[email protected]{1}",
table.EtagColumn.Name,
uniqueParameterIdentifier)
.ToString();
var parameters = MapProjectionsToParameters(values, uniqueParameterIdentifier);
AddTo(parameters, "@Id" + uniqueParameterIdentifier, key, SqlTypeMap.Convert(table.IdColumn).DbType, null);
if (!lastWriteWins)
{
AddTo(parameters, "@CurrentEtag" + uniqueParameterIdentifier, currentEtag, SqlTypeMap.Convert(table.EtagColumn).DbType, null);
}
return new PreparedDatabaseCommand
{
Sql = sql,
Parameters = parameters.Values.ToList(),
ExpectedRowCount = 1
};
}示例10: Prepare
internal override PreparedDatabaseCommand Prepare(DocumentStore store, Guid etag, int uniqueParameterIdentifier)
{
var sql = new SqlBuilder()
.Append("delete from {0} where {1} = @Id{2}",
store.Database.FormatTableNameAndEscape(table.Name),
table.IdColumn.Name,
uniqueParameterIdentifier)
.Append(!lastWriteWins,
"and {0} = @CurrentEtag{1}",
table.EtagColumn.Name,
uniqueParameterIdentifier)
.ToString();
var parameters = new Dictionary<string, Parameter>();
AddTo(parameters, "@Id" + uniqueParameterIdentifier, key, SqlTypeMap.Convert(table.IdColumn).DbType, null);
if (!lastWriteWins)
{
AddTo(parameters, "@CurrentEtag" + uniqueParameterIdentifier, currentEtag, SqlTypeMap.Convert(table.EtagColumn).DbType, null);
}
return new PreparedDatabaseCommand
{
Sql = sql,
Parameters = parameters.Values.ToList(),
ExpectedRowCount = 1
};
}示例11: SqlPaging
public void SqlPaging()
{
var b = new SqlBuilder()
.Select("*")
.From("Orders o")
.Where("o.ShipCountry = @country ", new {country = "USA"})
.OrderBy("CustomerID DESC");
var paging = new
{
Page = 1,
PageSize = 25
};
var t = b.AddTemplate(
Templates.Combine(Templates.SqlServer.PagedSelection, Templates.Count),
paging);
using (var db = new SqlConnection(ConnectionStrings.Northwind))
{
Console.WriteLine(t.RawSql);
var results = db.QueryResultsSql<dynamic, int>(t.RawSql, t.Parameters);
results.Set1.Should().HaveCount(paging.PageSize, "because thats how many are in the page");
results.Set2.Single().Should().Be(122, "because thats how many there are");
}
}示例12: Index
/// <summary>
/// GET: /search
/// GET: /search/index
/// </summary>
/// <returns></returns>
public ActionResult Index(string input, int? page, int? pageSize)
{
ViewBag.Input = input;
page = Math.Max(page ?? 1, 1); // Adjust.
pageSize = Math.Max(Math.Min(pageSize ?? 10, 100), 10); // Adjust.
int start = ((page.Value - 1) * pageSize.Value) + 1;
int finish = page.Value * pageSize.Value;
var builder = new SqlBuilder();
SqlBuilder.Template pager = null, counter = null;
pager = builder.AddTemplate("SELECT * FROM (SELECT /**select**/, ROW_NUMBER() OVER (/**orderby**/) AS RowNumber FROM Questions Q /**where**/) AS Results WHERE RowNumber BETWEEN @start AND @finish ORDER BY RowNumber",
new { start = start, finish = finish });
counter = builder.AddTemplate("SELECT COUNT(*) FROM Questions Q /**where**/");
builder.Select("Q.*");
builder.OrderBy("Q.Time DESC");
builder.Where("Q.Title LIKE @searchInput OR Q.Answer LIKE @searchInput", new { searchInput = "%" + input + "%" });
var results = Current.DB.QueryMultiple(pager.RawSql, pager.Parameters).Read<Question>();
var totals = Current.DB.Query<int>(counter.RawSql, counter.Parameters).First();
ViewData["Href"] = "/search?";
return View(new PagedList<Question>(results, page.Value, pageSize.Value, false, totals));
}示例13: Query
public static IEnumerable<Dictionary<string, object>> Query(this SqliteConnection connection, SqlBuilder sql, SqliteTransaction transaction = null, object sqlParams = null)
{
if (sql == null)
throw new ArgumentNullException("sql", "sql cannot be null.");
return Query(connection, sql.GetSql(), transaction, sqlParams);
}示例14: TopClause
/// <summary>
/// Creates a TopClause with the given topCount and withTies.
/// </summary>
/// <param name="topCount"></param>
/// <param name="withTies"></param>
internal TopClause(int topCount, bool withTies)
{
SqlBuilder sqlBuilder = new SqlBuilder();
sqlBuilder.Append(topCount.ToString(CultureInfo.InvariantCulture));
this.topCount = sqlBuilder;
this.withTies = withTies;
}示例15: GetSetting
/// <summary>
/// gets a value from the database table "Setting"
/// </summary>
/// <returns>A Setting object with the stored value, if it doesnt exist the given default string will be the value</returns>
private Setting GetSetting(string tagName, string defaultValue)
{
if (defaultValue == null)
{
return null;
}
if (tagName == null)
{
return null;
}
if (tagName == "")
{
return null;
}
SqlBuilder sb;
try
{
sb = new SqlBuilder(Gentle.Framework.StatementType.Select, typeof(Setting));
}
catch (TypeInitializationException)
{
return new Setting(tagName,defaultValue);
}
sb.AddConstraint(Operator.Equals, "tag", tagName);
SqlStatement stmt = sb.GetStatement(true);
IList<Setting> settingsFound = ObjectFactory.GetCollection<Setting>(stmt.Execute());
if (settingsFound.Count == 0)
{
Setting set = new Setting(tagName, defaultValue);
set.Persist();
return set;
}
return settingsFound[0];
}示例16: Execute
public override void Execute(IDatabase database)
{
if (!Table.Columns.Any())
{
throw new InvalidOperationException("Cannot create a table with no columns.");
}
var sql = new SqlBuilder();
sql.Append("if not ({0}) begin create table {1} (",
GetTableExistsSql(database, Table.Name),
database.FormatTableNameAndEscape(Table.Name));
var i = 0;
foreach (var column in Table.Columns)
{
var sqlBuilder = new SqlBuilder()
.Append(i > 0, ",")
.Append(database.Escape(column.Name))
.Append(GetColumnSqlType(column, i.ToString()));
sql.Append(sqlBuilder);
i++;
}
sql.Append("); end;");
database.RawExecute(sql.ToString());
}示例17: Init
public void Init()
{
GentleSettings.CacheObjects = false;
CacheManager.Clear();
SqlBuilder sb = new SqlBuilder( StatementType.Delete, typeof(MultiType) );
Broker.Execute( sb.GetStatement( true ) );
}示例18: BuildForm
public Form BuildForm(SqlBuilder Builder, FormLayouts FormLayout = FormLayouts.Vertical, SectionLayouts SectionLayout = SectionLayouts.VerticalTwoColumns)
{
Form form = new Form();
form.FormLayout = FormLayout;
for (int i = 0; i < Builder.Tables.Count; i++)
{
FormSection section = new FormSection() { SectionLayout = SectionLayout };
Table table = Builder.Tables[i];
MetadataTable mt = Builder.Metadata.FindTable(table.FullName);
// section.Legend = StringMap.Default.GetText(SqlBuilder.DefaultCulture.LCID, mt.Fullname, mt.Name);
section.Legend = mt.DisplayName;
string TableName = mt.Fullname;
if (i == 0)
{
form.TitleColumn = mt.GuessTitleColumn();
}
foreach (Field field in table.FieldList)
{
string name = field.Name;
MetadataColumn mc;
if (mt.Columns.TryGetValue(name, out mc))
{
MetadataColumn includedFrom = mt.Columns.Values.FirstOrDefault(x => x.IncludeColumns != null && x.IncludeColumns.Contains(field.Alias ?? field.Name));
BuildField(mc, TableName, field.Alias, section, includedFrom, i > 0);
}
}
if (section.Fields.Count > 0)
{
form.Sections.Add(section);
}
}
form.Sections[0].Fields.Insert(0, new FormField() { Name = "__TABLE", ID = "__TABLE", FieldType = FieldTypes.Input, InputType = InputTypes.text, IsHidden = true });
return form;
}示例19: TestSqlBuilder
public void TestSqlBuilder()
{
TestModel model = new TestModel();
SqlBuilder builder = new SqlBuilder();
string expected = "SELECT OrderType, OrderNbr FROM SOOrder";
string result = builder.Select(model).ToString();
Assert.IsTrue(expected.ToLower().Trim() == result.ToLower().Trim());
}示例20: Init
public void Init()
{
GentleSettings.CacheObjects = false;
CacheManager.Clear();
// make sure table is empty before we start
SqlBuilder sb = new SqlBuilder( StatementType.Delete, typeof(PropertyHolder) );
Broker.Execute( sb.GetStatement( true ) );
}注：本文中的SqlBuilder類示例整理自Github/MSDocs等源碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。
转 https://vimsky.com/zh-tw/examples/detail/csharp-ex---SqlBuilder---class.html
标签：SqlBuilder,示例,C#,builder,代碼,var,new 来源： https://www.cnblogs.com/wl-blog/p/16290638.html
本站声明： 1. iCode9 技术分享网（下文简称本站）提供的所有内容，仅供技术学习、探讨和分享； 2. 关于本站的所有留言、评论、转载及引用，纯属内容发起人的个人观点，与本站观点和立场无关； 3. 关于本站的所有言论和文字，纯属内容发起人的个人观点，与本站观点和立场无关； 4. 本站文章均是网友提供，不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属；如您发现该文章侵犯了您的权益，可联系我们第一时间进行删除； 5. 本站为非盈利性的个人网站，所有内容不会用来进行牟利，也不会利用任何形式的广告来间接获益，纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。