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更改批量插入数据的方式(测试100w条5秒不到)，更改数据修改时的替换可能替换到数据的问题

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This commit is contained in:
ChenBo
2021-11-28 21:37:10 +08:00
parent 4c7e04376f
commit 846c180191
4 changed files with 104 additions and 18 deletions
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6
Providers/FreeSql.Provider.ClickHouse/Curd/ClickHouseUpdate.cs
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@@ -24,7 +24,11 @@ namespace FreeSql.ClickHouse.Curd
internal Dictionary<string, bool> InternalIgnore => _ignore;
public override string ToSql()
{
return base.ToSql()?.Replace("UPDATE", "ALTER TABLE").Replace("SET", "UPDATE");
var sql = base.ToSql();
sql = sql.Remove(0, 6).Insert(0, "ALTER TABLE");
var index = sql.IndexOf(" SET ");
sql = sql.Remove(index, 5).Insert(index, " UPDATE ");
return sql;
}
internal void InternalResetSource(List<T1> source) => _source = source;
internal string InternalWhereCaseSource(string CsName, Func<string, string> thenValue) => WhereCaseSource(CsName, thenValue);