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Update SqlServer BulkCopyUpdate

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sunkaixuan
2023-08-15 11:08:49 +08:00
parent 83a63a32d2
commit 086067e848
1 changed files with 3 additions and 2 deletions
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5
Src/Asp.Net/SqlSugar/Abstract/FastestProvider/FastBuilder.cs
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@@ -41,9 +41,10 @@ namespace SqlSugar
public virtual async Task CreateTempAsync<T>(DataTable dt) where T : class, new()
{
var sqlbuilder = this.Context.Queryable<object>().SqlBuilder;
await this.Context.UnionAll(
this.Context.Queryable<T>().Filter(null,true).Select("*").Where(it => false).AS(dt.TableName),
this.Context.Queryable<T>().Filter(null, true).Select("*").Where(it => false).AS(dt.TableName)).Select("top 1 * into #temp").ToListAsync();
this.Context.Queryable<T>().Filter(null,true).Select(string.Join(",", dt.Columns.Cast<DataColumn>().Select(it => sqlbuilder.GetTranslationColumnName(it.ColumnName)))).Where(it => false).AS(dt.TableName),
this.Context.Queryable<T>().Filter(null, true).Select(string.Join(",", dt.Columns.Cast<DataColumn>().Select(it => sqlbuilder.GetTranslationColumnName(it.ColumnName)))).Where(it => false).AS(dt.TableName)).Select("top 1 * into #temp").ToListAsync();
dt.TableName = "#temp";
}
}