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Performance optimization

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This commit is contained in:
sunkaixuan 2025-01-13 13:43:14 +08:00
parent 5c6210c6fb
commit 756e6cfe5f
1 changed files with 14 additions and 1 deletions
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15
Src/Asp.Net/SqlSugar/Abstract/FastestProvider/FastBuilder.cs
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@ -51,7 +51,20 @@ namespace SqlSugar
public async virtual Task<int> Merge<T>(string tableName,DataTable dt, EntityInfo entityInfo, string[] whereColumns, string[] updateColumns, List<T> datas) where T : class, new()
{
var result = 0;
await this.Context.Utilities.PageEachAsync(datas,2000,async pageItems =>
var pageSize = 2000;
if (dt.Columns.Count > 100)
{
pageSize = 100;
}
else if (dt.Columns.Count > 50)
{
pageSize = 300;
}
else if (dt.Columns.Count > 30)
{
pageSize = 500;
}
await this.Context.Utilities.PageEachAsync(datas, pageSize, async pageItems =>
{
var x = await this.Context.Storageable(pageItems).As(tableName).WhereColumns(whereColumns).ToStorageAsync();
result += await x.BulkCopyAsync();