pingle wang created FLINK-13425: ----------------------------------- Summary: Table api sqlUpdate execute case when expression occur data error Key: FLINK-13425 URL: https://issues.apache.org/jira/browse/FLINK-13425 Project: Flink Issue Type: Improvement Components: Table SQL / API, Table SQL / Planner Affects Versions: 1.7.2, 1.6.3 Reporter: pingle wang Attachments: image-2019-07-25-16-50-02-632.png, image-2019-07-25-17-01-26-076.png
The flink job running in our online environment, from the beginning of the 1st to the 23rd, found that the data written to mysql on the 17th has abnormal changes, such as the case when the converted constant value has extra space to write. flink execute sql : {code:java} insert into date_pos_area_version_source select Date_Format(receive_time, _UTF-16LE'yyyyMMdd') AS `date`, ( case when country_id is null or country_id = 10184 then 'mainland' when country_id = 10239 then 'hongkong' when country_id = 10248 then 'taiwan' when country_id = 10257 then 'macau' else 'overseas' end ) as big_area, sum(ad_action) as click_count from date_pos_area_version_source_view where ad_position_id is not null group by Date_Format(receive_time, _UTF-16LE'yyyyMMdd'), big_area{code} flink graph: !image-2019-07-25-17-01-26-076.png! mysql result like : {code:java} 9ab1c5afa4946ca0040271736f38c83a hongkong 20190717 0acfa9f5133f5b558e4642ce0870ea77 macau 20190717 cc571067754687a72ee0e8d224c6115a mainland 20190717 adb9f8b618195e195c90b09815a94842 overseas 20190717 aff685603b0f02debc8329a1dc7905d0 taiwan 20190717 9ab1c5afa4946ca0040271736f38c83a hongkong 20190630 9690a92f29519fbfef104011784221e7 macau 20190630 cc571067754687a72ee0e8d224c6115a mainland 20190630 adb9f8b618195e195c90b09815a94842 overseas 20190630 31779ba135934ed036644deb47eb1e54 taiwan 20190630 {code} !image-2019-07-25-16-50-02-632.png! -- This message was sent by Atlassian JIRA (v7.6.14#76016)