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我正在尝试从表 A 中删除多条记录,这些记录在表 B 中的 id 列表中退出,如下所示:

List<ulong> ids = new List<ulong> {1, 2};

string deleteQuery = string.Format(
                @"DELETE FROM TABLE_A WHERE EXISTS 
                (SELECT id FROM TABLE_B WHERE checkpoint_id IN :idList)");

Session.CreateQuery(deleteQuery).SetParameterList("idList", ids).ExecuteUpdate();

我得到以下异常:

NHibernate.Hql.Ast.ANTLR.QuerySyntaxException: Exception of type 'Antlr.Runtime.NoViableAltException' was thrown. near line 2, column 100

如果我将列表硬编码 [IN (1,2)] 它可以工作。我想念什么?

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1 回答 1

2

发现问题:

我需要一个额外的括号围绕:idList。

string deleteQuery = string.Format(
            @"DELETE FROM TABLE_A WHERE EXISTS 
            (SELECT id FROM TABLE_B WHERE checkpoint_id IN (:idList))");
于 2012-09-24T10:22:56.637 回答