lsm/SqlSugar
1
0
Fork 0
mirror of https://gitee.com/dotnetchina/SqlSugar.git synced 2025-07-31 15:56:25 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Oracle default insert performance optimization

Browse Source
This commit is contained in:
sunkaixuan 2022-10-06 13:35:25 +08:00
parent 162bb4c832
commit 8429e3c2b0
1 changed files with 27 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
Src/Asp.NetCore2/SqlSugar/Realization/Oracle/SqlBuilder/OracleInsertBuilder.cs
View File

@ -49,8 +49,33 @@ namespace SqlSugar
}
else
{
string result = Small(identities, groupList, columnsString);
return result;
var bigSize = 500;
if (groupList.Count < bigSize)
{
string result = Small(identities, groupList, columnsString);
return result;
}
else
{
string result = Big(identities, groupList, columnsString);
return result;
}
}
}
private string Big(List<EntityColumnInfo> identities, List<IGrouping<int, DbColumnInfo>> groupList, string columnsString)
{
this.Context.Utilities.PageEach(groupList, 100, groupListPasge =>
{
var sql = Small(identities, groupListPasge, columnsString);
this.Context.Ado.ExecuteCommand(sql);
});
if (identities!=null&identities.Count > 0&& this.OracleSeqInfoList!=null&& this.OracleSeqInfoList.Any())
{
return $"SELECT {this.OracleSeqInfoList.First().Value-1} FROM DUAL";
}
else
{
return $"SELECT {groupList.Count} FROM DUAL";
}
}