Question

从任务运行过程时，会记录以下错误消息，但是当我手动运行它时，它会很好地工作：

存储过程STAGE_SERVICEBUS_ORDER中的执行错误：“查询 JSON响应中缺少“代码”，位于Statement.execute的第4行位置 60。

过程如下：

CREATE OR REPLACE PROCEDURE "STAGE_SERVICEBUS_ORDER"(YEARMONTH VARCHAR)
RETURNS VARCHAR(16777216)
LANGUAGE JAVASCRIPT
EXECUTE AS OWNER
AS '
 snowflake.createStatement({ sqlText: `Truncate table DM.STG.SERVICEBUS_ORDER`}).execute();
 var copy_into_statement = `copy into DM.STG.SERVICEBUS_ORDER  (FILE_NAME,OBJECT)  from ( select metadata$filename, $1 from @SERVICEBUS_ORDER`+YEARMONTH+` )  file_format = (type = ''JSON'' strip_outer_array = false) force=true ON_ERROR = CONTINUE `;
 snowflake.createStatement({ sqlText: copy_into_statement}).execute();
return ''Done'';
';

Answer 1

请尝试将$1替换为PARSE_JSON($1)。

这是Snowflake文档中的一个示例，它说明了用于在COPY语句中访问JSON文件元数据的解决方案：

-- Create a file format
CREATE OR REPLACE FILE FORMAT my_json_format
  TYPE = 'json';

-- Create an internal stage
CREATE OR REPLACE STAGE mystage2
  FILE_FORMAT = my_json_format;

-- Stage a data file
PUT file:///tmp/data1.json @mystage2;

-- Query the filename and row number metadata columns 
-- and the regular data columns in the staged file
SELECT METADATA$FILENAME, METADATA$FILE_ROW_NUMBER, parse_json($1) 
FROM @mystage2/data1.json.gz;

https://docs.snowflake.com/en/user-guide/querying-metadata.html#example-2-querying-the-metadata-columns-for-a-json-file

雪花过程由于任务执行而失败

1 个答案: