MSSQL在这里已经涵盖了这个问题:
但是这个解决方案不适用于mysql.
要LAST_INSERT_ID()使用mysql转换为整数,您必须这样做:
SELECT CAST(LAST_INSERT_ID() AS UNSIGNED INTEGER);
堆栈跟踪是:
Dapper.<QueryInternal>d__13`1.MoveNext() in sqlMapper.cs:607
System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +159
System.Linq.Enumerable.ToList(IEnumerable`1 source) +36
Dapper.SqlMapper.Query(IDbConnection cnn, String sql, Object param, IDbTransaction transaction, Boolean buffered, Nullable`1 commandTimeout, Nullable`1 commandType) in sqlMapper.cs:535
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有没有人在MySQL中解决这个问题?
编辑:
我已成功完成以下工作:
var id = connection.Query<ulong>("SELECT CAST(LAST_INSERT_ID() AS UNSIGNED INTEGER);").Single();
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也许不理想,但它的确有效.