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Split table

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This commit is contained in:
sunkaixuna
2021-10-25 23:42:59 +08:00
parent 73c80ede43
commit 759f42f24c
5 changed files with 100 additions and 24 deletions
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1
Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/SplitCodeFirstProvider.cs
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@@ -17,6 +17,7 @@ namespace SqlSugar
Context = this.Context,
EntityInfo = this.Context.EntityMaintenance.GetEntityInfo<T>()
};
helper.CheckPrimaryKey();
var tables = helper.GetTables();
//var oldMapingTables = this.Context.MappingTables;
if (tables.Count >0)

54
Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
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@@ -406,19 +406,61 @@ namespace SqlSugar
result.AddSubList(tree);
return result;
}
public SplitInsertable SplitTable(SplitType splitType)
public SplitInsertable<T> SplitTable(SplitType splitType)
{
throw new NotImplementedException();
SplitTableHelper helper = new SplitTableHelper()
{
Context = this.Context,
EntityInfo = this.Context.EntityMaintenance.GetEntityInfo<T>()
};
helper.CheckPrimaryKey();
var table=helper.GetTableNameByDate(helper.GetTableGetDate(this.Context.GetDate(),splitType));
SplitInsertable<T> result = new SplitInsertable<T>();
result.Context = this.Context;
result.EntityInfo = this.EntityInfo;
result.TableNames = new List<string>() { table};
result.Inserable = this;
return result;
}
public SplitInsertable SplitTable(SplitType splitType, Expression<Func<T, DateTime>> splitFieldName)
public SplitInsertable<T> SplitTable(SplitType splitType, Expression<Func<T, DateTime>> splitFieldName)
{
throw new NotImplementedException();
SplitTableHelper helper = new SplitTableHelper()
{
Context = this.Context,
EntityInfo = this.Context.EntityMaintenance.GetEntityInfo<T>()
};
helper.CheckPrimaryKey();
SplitInsertable<T> result = new SplitInsertable<T>();
result.Context = this.Context;
result.EntityInfo = this.EntityInfo;
result.TableNames = new List<string>();
List<DateTime> times = new List<DateTime>();
foreach (var item in times)
{
result.TableNames.Add(helper.GetTableNameByDate(helper.GetTableGetDate(item, splitType)));
}
return result;
}
public SplitInsertable SplitTable(SplitType splitType, Expression<Func<T, DateTime?>> splitFieldName)
public SplitInsertable<T> SplitTable(SplitType splitType, Expression<Func<T, DateTime?>> splitFieldName)
{
throw new NotImplementedException();
SplitTableHelper helper = new SplitTableHelper()
{
Context=this.Context,
EntityInfo=this.Context.EntityMaintenance.GetEntityInfo<T>()
};
helper.CheckPrimaryKey();
SplitInsertable<T> result = new SplitInsertable<T>();
result.Context = this.Context;
result.EntityInfo = this.EntityInfo;
result.TableNames = new List<string>();
List<DateTime> times = new List<DateTime>();
foreach (var item in times)
{
result.TableNames.Add(helper.GetTableNameByDate(helper.GetTableGetDate(item, splitType)));
}
return result;
}
#endregion

32
Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/SplitInsertable.cs
View File

@@ -6,11 +6,37 @@ using System.Threading.Tasks;
namespace SqlSugar
{
public class SplitInsertable
public class SplitInsertable<T>
{
public object ExecuteCommand()
public SqlSugarProvider Context;
public EntityInfo EntityInfo;
internal IInsertable<T> Inserable { get; set; }
internal List<string> TableNames { get; set; }
public int ExecuteCommand()
{
throw new NotImplementedException();
CreateTable();
if (TableNames.Count == 1)
{
return Inserable.AS(TableNames.First()).ExecuteCommand();
}
else
{
return 0;
}
}
private void CreateTable()
{
foreach (var item in TableNames)
{
if (!this.Context.DbMaintenance.IsAnyTable(item, false))
{
this.Context.MappingTables.Add(EntityInfo.EntityName, item);
this.Context.CodeFirst.InitTables<T>();
}
}
this.Context.MappingTables.Add(EntityInfo.EntityName, EntityInfo.DbTableName);
}
}
}

6
Src/Asp.Net/SqlSugar/Interface/Insertable.cs
View File

@@ -46,9 +46,9 @@ namespace SqlSugar
MySqlBlukCopy<T> UseMySql();
OracleBlukCopy UseOracle();
SplitInsertable SplitTable(SplitType splitType);
SplitInsertable SplitTable(SplitType splitType,Expression<Func<T,DateTime>> splitFieldName);
SplitInsertable SplitTable(SplitType splitType, Expression<Func<T, DateTime?>> splitFieldName);
SplitInsertable<T> SplitTable(SplitType splitType);
SplitInsertable<T> SplitTable(SplitType splitType,Expression<Func<T,DateTime>> splitFieldName);
SplitInsertable<T> SplitTable(SplitType splitType, Expression<Func<T, DateTime?>> splitFieldName);
void AddQueue();

31
Src/Asp.Net/SqlSugar/SpliteTable/SplitHelper.cs
View File

@@ -71,7 +71,21 @@ namespace SqlSugar
result = result.OrderByDescending(it => it.Date).ToList();
this.Context.Ado.IsEnableLogEvent = oldIsEnableLogEvent;
return result;
}
}
public string GetDefaultTableName()
{
var date = this.Context.GetDate();
return GetTableNameByDate(date);
}
public string GetTableNameByDate(DateTime date)
{
return EntityInfo.DbTableName.Replace("{year}", date.Year + "").Replace("{day}", PadLeft2(date.Day + "")).Replace("{month}", PadLeft2(date.Month + ""));
}
public void CheckPrimaryKey()
{
Check.Exception(EntityInfo.Columns.Any(it => it.IsIdentity == true), ErrorMessage.GetThrowMessage("Split table can't IsIdentity=true", "分表禁止使用自增列"));
}
#endregion
#region Common Helper
@@ -127,13 +141,6 @@ namespace SqlSugar
return Convert.ToDateTime($"{year}-{month}-{day}");
}
public string GetDefaultTableName()
{
var date = this.Context.GetDate();
var result = EntityInfo.DbTableName.Replace("{year}", date.Year + "").Replace("{day}", PadLeft2(date.Day + "")).Replace("{month}", PadLeft2(date.Month + ""));
return result;
}
private string PadLeft2(string str)
{
if (str.Length < 2)
@@ -159,22 +166,22 @@ namespace SqlSugar
#endregion
#region Date Helper
public static DateTime GetMondayDate()
private DateTime GetMondayDate()
{
return GetMondayDate(DateTime.Now);
}
public static DateTime GetSundayDate()
private DateTime GetSundayDate()
{
return GetSundayDate(DateTime.Now);
}
public static DateTime GetMondayDate(DateTime someDate)
private DateTime GetMondayDate(DateTime someDate)
{
int i = someDate.DayOfWeek - DayOfWeek.Monday;
if (i == -1) i = 6;
TimeSpan ts = new TimeSpan(i, 0, 0, 0);
return someDate.Subtract(ts);
}
public static DateTime GetSundayDate(DateTime someDate)
private DateTime GetSundayDate(DateTime someDate)
{
int i = someDate.DayOfWeek - DayOfWeek.Sunday;
if (i != 0) i = 7 - i;