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Update SqlServer BulkCopyUpdate

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This commit is contained in:
sunkaixuan
2022-04-20 17:59:01 +08:00
parent feac4cc923
commit 391fb59fb5
6 changed files with 34 additions and 0 deletions
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1
Src/Asp.Net/SqlSugar/Abstract/FastestProvider/FastBuilder.cs
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@@ -9,6 +9,7 @@ namespace SqlSugar
{
public class FastBuilder
{
public virtual bool IsActionUpdateColumns { get; set; }
public SqlSugarProvider Context { get; set; }
public virtual string CharacterSet { get; set; }
public virtual string UpdateSql { get; set; } = @"UPDATE TM

29
Src/Asp.Net/SqlSugar/Abstract/FastestProvider/FastestProvider.cs
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@@ -128,6 +128,7 @@ namespace SqlSugar
this.context.CurrentConnectionConfig.IsAutoCloseConnection = false;
DataTable dt = ToDdateTable(datas);
IFastBuilder buider = GetBuider();
ActionIgnoreColums(whereColumns, updateColumns, dt, buider.IsActionUpdateColumns);
buider.Context = context;
await buider.CreateTempAsync<T>(dt);
await buider.ExecuteBulkCopyAsync(dt);
@@ -142,6 +143,34 @@ namespace SqlSugar
End(datas, false);
return result;
}
private void ActionIgnoreColums(string[] whereColumns, string[] updateColumns, DataTable dt,bool IsActionUpdateColumns)
{
if (entityInfo.Columns.Where(it => it.IsIgnore == false).Count() > whereColumns.Length + updateColumns.Length &&IsActionUpdateColumns)
{
var ignoreColums = dt.Columns.Cast<DataColumn>()
.Where(it => !whereColumns.Any(y => y.EqualCase(it.ColumnName)))
.Where(it => !updateColumns.Any(y => y.EqualCase(it.ColumnName))).ToList();
foreach (DataRow item in dt.Rows)
{
foreach (var col in ignoreColums)
{
if (item[col.ColumnName].IsNullOrEmpty())
{
if (col.DataType == UtilConstants.StringType)
{
item[col.ColumnName] = string.Empty;
}
else
{
item[col.ColumnName] = Activator.CreateInstance(col.DataType);
}
}
}
}
}
}
private async Task<int> _BulkUpdate(string tableName,DataTable dataTable, string[] whereColumns, string[] updateColumns)
{
var datas = new string[dataTable.Rows.Count].ToList();

1
Src/Asp.Net/SqlSugar/Interface/IFastBuilder.cs
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@@ -9,6 +9,7 @@ namespace SqlSugar
{
public interface IFastBuilder
{
bool IsActionUpdateColumns { get; set; }
SqlSugarProvider Context { get; set; }
string CharacterSet { get; set; }
Task<int> UpdateByTempAsync(string tableName,string tempName,string [] updateColumns,string[] whereColumns);

1
Src/Asp.Net/SqlSugar/OnlyNet/OracleFastBuilder.cs
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@@ -16,6 +16,7 @@ namespace SqlSugar
}
public SqlSugarProvider Context { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
public bool IsActionUpdateColumns { get; set; }
public void CloseDb()
{

1
Src/Asp.Net/SqlSugar/Realization/SqlServer/SqlBuilder/SqlServerFastBuilder.cs
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@@ -11,6 +11,7 @@ namespace SqlSugar
public class SqlServerFastBuilder:FastBuilder,IFastBuilder
{
public override bool IsActionUpdateColumns { get; set; } = true;
public async Task<int> ExecuteBulkCopyAsync(DataTable dt)
{

1
Src/Asp.Net/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteFastBuilder.cs
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@@ -14,6 +14,7 @@ namespace SqlSugar
private bool IsUpdate = false;
public string CharacterSet { get; set; }
private DataTable UpdateDataTable { get; set; }
public bool IsActionUpdateColumns { get; set; }
public SqliteFastBuilder(EntityInfo entityInfo)
{
this.entityInfo = entityInfo;