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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2021/04/27 01:36:13 UTC
[GitHub] [iceberg] zhangjun0x01 opened a new pull request #2522: Core : snatshot read with schema change
zhangjun0x01 opened a new pull request #2522:
URL: https://github.com/apache/iceberg/pull/2522
When we modify the schema of the iceberg table and do a time travel query by specifying the `snapshot-id`, the query result shows the current latest schema, but we want the schema of query result to be corresponding with the snapshot.
I add a `schema-id` to the snapshot in metadata , when we query by `snapshot-id` , we get the schema by the `schema-id` in the snapshot
@rdblue @aokolnychyi @openinx could you help me review it ? thanks.
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[GitHub] [iceberg] zhangjun0x01 commented on pull request #2522: Core : snatshot read with schema change
Posted by GitBox <gi...@apache.org>.
zhangjun0x01 commented on pull request #2522:
URL: https://github.com/apache/iceberg/pull/2522#issuecomment-827265790
I found that this pr seems to be duplicate. I found other similar pr (https://github.com/apache/iceberg/pull/2275 ,https://github.com/apache/iceberg/pull/2096). I will close this pr, but I think we should add test cases for different computing engines (spark, flink, hive) so that they can works correctly.
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[GitHub] [iceberg] zhangjun0x01 closed pull request #2522: Core : snatshot read with schema change
Posted by GitBox <gi...@apache.org>.
zhangjun0x01 closed pull request #2522:
URL: https://github.com/apache/iceberg/pull/2522
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