/// <summary>
/// 创建数据表语句片段。
/// </summary>
/// <param name="context">生成上下文。</param>
/// <returns>语句片段。</returns>
protected virtual SqlFragment GenerateForMaintenanceCreateTable(GenerateContext context)
{
var operate = (DbCreateTableOperate)context.Data.Operate;
var metadata = context.Metadata.Table(context.Data.Operate.ClrType);
if (operate.Type == EOperateType.CreateTable)
{
var name = context.ConvertName(operate.Name);
return(new CreateTableFragment(context, metadata, name));
}
else
{
var members = metadata.InheritSets.SelectMany(a => a.Members).Concat(metadata.Members);
INameFragment name = null;
if (operate.Type == EOperateType.CreateTempTable)
{
name = new TempTableNameFragment(context, operate.Name.Name);
return(new CreateTempTableFragment(context, members, name)
{
IsVariable = false
});
}
else
{
name = new VariableFragment(context, operate.Name.Name);
return(new CreateTempTableFragment(context, members, name)
{
IsVariable = true
});
}
}
}
/// <summary>
/// 创建重命名语句片段。
/// </summary>
/// <param name="context">生成上下文。</param>
/// <param name="name">对象名称。</param>
/// <param name="kind">对象种类。</param>
/// <param name="newName">新名称。</param>
public RenameObjectFragment(GenerateContext context, INameFragment name, EDatabaseObject kind, string newName)
: base(context)
{
Name = name;
Kind = kind;
NewName = newName;
}
/// <summary>
/// 初始化创建普通表。
/// </summary>
/// <param name="context">生成上下文。</param>
/// <param name="table">表元数据。</param>
/// <param name="name">自定义表名称。</param>
public CreateTableFragment(GenerateContext context, TableMetadata table, INameFragment name = null)
: base(context)
{
Metadata = table;
Name = name;
if (name == null)
{
Name = new ObjectNameFragment(context, table.Name, table.Schema);
}
foreach (var col in table.Members)
{
Members.Add(new CreateColumnFragment(context, col, this));
}
}
/// <summary>
/// Returns the names of the enchantments.
/// </summary>
public virtual (INameFragment enhancement, INameFragment[] others) GetNames()
{
if (!this.Enchantments.Any())
{
return(null, new INameFragment[0]);
}
INameFragment enhancementName = this.Enchantments.First(e => e is EnhancementBonus)
.Name;
INameFragment[] otherNames = this.Enchantments.Where(e => !(e is EnhancementBonus))
.Select(e => e.Name)
.OrderBy(name => name.Text)
.ToArray();
return(enhancementName, otherNames);
}
/// <summary>
/// 创建删除对象语句片段。
/// </summary>
/// <param name="context">生成上下文。</param>
/// <param name="name">对象名称。</param>
/// <param name="kind">对象种类。</param>
public DropObjectFragment(GenerateContext context, INameFragment name, EDatabaseObject kind)
: base(context)
{
Name = name;
Kind = kind;
}
/// <summary>
/// 初始化创建临时表。
/// </summary>
/// <param name="context">生成上下文。</param>
/// <param name="columns">指定的数据列。</param>
/// <param name="name">自定义表名。</param>
public CreateTempTableFragment(GenerateContext context, IEnumerable <ColumnMetadata> columns, INameFragment name = null)
: this(context, new TemporaryTableFragment(context, columns, name))
{
foreach (var col in columns)
{
Table.CreateMember(null, col);
Members.Add(new CreateColumnFragment(context, col, this));
}
}
/// <summary>
/// 初始化创建关系。
/// </summary>
/// <param name="context">生成上下文。</param>
/// <param name="name">关系名称。</param>
/// <param name="content">视图内容。</param>
public CreateViewFragment(GenerateContext context, INameFragment name, string content)
: base(context)
{
Name = name;
Content = content;
}
/// <summary>
/// 初始化创建关系。
/// </summary>
/// <param name="context">生成上下文。</param>
/// <param name="name">关系名称。</param>
public DropRelationFragment(GenerateContext context, INameFragment name)
: base(context)
{
Name = name;
}
/// <summary>
/// Initializes a new instance of the <see cref="T:Core.Domain.Characters.Feats.Feat"/> class.
/// </summary>
/// <param name="name">The name of the feat.</param>
/// <param name="webAddress">The URL of the feat. Must be http or https.</param>
/// <exception cref="System.ArgumentException">Thrown when webAddress is not a well-formed http or https url.</exception>
/// <exception cref="System.ArgumentNullException">Thrown when an argument is null.</exception>
protected Feat(string name, string webAddress)
{
_name = new NameFragment(name, webAddress);
}
