Infromatica cloud- The Snowflake Connector failed to read data from the source because of the following error: null

Infromatica cloud- The Snowflake Connector failed to read data from the source because of the following error: null

我在 IICS Informatica 云中雪花源的 SQL 覆盖部分中使用自定义 SQL。 select (max(LAST_UPDATED_DATE)) from $$DB.test.org$$DB参数在参数文件$$DB=Dev中定义。参数在 运行 时正确解析,但低于错误。

READER_1_2_1> SNOWFLAKECLOUDDATAWAREHOUSE_10000 [2020-10-30 03:07:00.440] [INFO] The Snowflake Connector uses the following SQL query to read data: select (max(LAST_UPDATED_DATE)) from Dev.test.org
READER_1_2_1> CMN_1761 [2020-10-30 03:07:00.440] Timestamp Event: [Fri Oct 30 03:07:00 2020]
READER_1_2_1> SNOWFLAKECLOUDDATAWAREHOUSE_10000 [2020-10-30 03:07:00.441] [ERROR] The Snowflake Connector failed to read data from the source because of the following error: [SnowFlake_READER__FAILED_906] The Snowflake Connector failed to read data from the source because of the following error: null
READER_1_2_1> CMN_1761 [2020-10-30 03:07:00.441] Timestamp Event: [Fri Oct 30 03:07:00 2020]
READER_1_2_1> SNOWFLAKECLOUDDATAWAREHOUSE_10000 [2020-10-30 03:07:00.441] [ERROR] Error occured while reading data using CCI Data Adapter  com.informatica.cci.runtime.internal.utils.impl.CExceptionImpl: Unable to get result data: Adapter read method has returned failure.
READER_1_2_1> CMN_1761 [2020-10-30 03:07:00.441] Timestamp Event: [Fri Oct 30 03:07:00 2020]
READER_1_2_1> CONNECTOR_10000 [2020-10-30 03:07:00.441] [ERROR] Error Occured while reading data from the source for Transformation - SRC_Organization | Connector Name - SnowflakeCloudDataWarehouse - Unable to get result data: Adapter read method has returned failure.

提前致谢。

问题出在列列表上。自定义查询应该像 select (max(LAST_UPDATED_DATE)) as LAST_UPDATED_DATE from $$DB.test.org 并且字段列表应该只有一列 LAST_UPDATED_DATE。映射现在工作正常。