91 lines
2.5 KiB
C#
91 lines
2.5 KiB
C#
using CYQ.Data.Json;
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using CYQ.Data.SQL;
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using CYQ.Data.Table;
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namespace CYQ.Data.Tool
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{
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/// <summary>
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/// （表、视图、存储过程）相关信息
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/// </summary>
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public class TableInfo
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{
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internal TableInfo()
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{
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}
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public TableInfo(string name, string type, string description, DBInfo dbInfo)
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{
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_Name = name;
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_Type = type;
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_Description = description;
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_DBInfo = dbInfo;
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}
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private string _Name;
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/// <summary>
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/// （表、视图、存储过程）名称（只读）
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/// </summary>
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public string Name
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{
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get { return _Name; }
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}
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private string _Type;
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/// <summary>
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/// 类型（只读）
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/// </summary>
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public string Type { get { return _Type; } }
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private string _Description;
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/// <summary>
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/// 描述（可写）
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/// </summary>
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public string Description { get { return _Description; } set { _Description = value; } }
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private DBInfo _DBInfo;
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/// <summary>
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/// 数据库信息（只读）
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/// </summary>
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[JsonIgnore]
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public DBInfo DBInfo { get { return _DBInfo; } }
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/// <summary>
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/// 获取指定（表、视图、存储过程）名称的Hash值
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/// </summary>
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/// <returns></returns>
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public static string GetHashKey(string name)
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{
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name = SqlFormat.NotKeyword(name);
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return StaticTool.GetHashKey(name.Replace("-", "").Replace("_", "").Replace(" ", "").ToLower());
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}
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/// <summary>
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/// 获取相关的列架构（对表和视图有效）
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/// </summary>
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public MDataColumn Columns
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{
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get
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{
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if (Type == "U" || Type == "V")
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{
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return TableSchema.GetColumns(Name, DBInfo.ConnString);//里面有缓存，所以无需要存档。
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}
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return null;
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}
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}
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/// <summary>
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/// 刷新表列结构缓存
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/// </summary>
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public void Reflesh()
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{
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if (Type == "U" || Type == "V")
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{
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TableSchema.GetColumns(Name, DBInfo.ConnString, true);
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}
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}
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/// <summary>
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/// 清空缓存【内存和硬盘】
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/// </summary>
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internal void RemoveCache()
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{
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TableSchema.Remove(Name, DBInfo.ConnString);
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}
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}
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}
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