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- 优化 Contains 表达式解析为 where in 自动拆分，防止大于 1000 的 SQL 错误；

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This commit is contained in:
28810
2019-11-20 16:06:45 +08:00
parent d42b2fc2b8
commit 9f97d67cb2
32 changed files with 201 additions and 86 deletions
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10
Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerAdo.cs
View File

@ -62,13 +62,9 @@ namespace FreeSql.Odbc.SqlServer
}
else if (param is TimeSpan || param is TimeSpan?)
return ((TimeSpan)param).TotalSeconds;
else if (param is IEnumerable)
{
var sb = new StringBuilder();
var ie = param as IEnumerable;
foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType, mapColumn));
return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
}
else if (param is IEnumerable)
return AddslashesIEnumerable(param, mapType, mapColumn);
return string.Concat("'", param.ToString().Replace("'", "''"), "'");
}

4
Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerExpression.cs
View File

@ -113,8 +113,8 @@ namespace FreeSql.Odbc.SqlServer
switch (callExp.Method.Name)
{
case "Contains":
//判断 in
return $"({args1}) in {left}";
//判断 in //在各大 Provider AdoProvider 中已约定，500元素分割, 3空格\r\n4空格
return $"(({args1}) in {left.Replace(", \r\n \r\n", $") \r\n OR ({args1}) in (")})";
}
}
break;