Davis Zhang created HUDI-9505:
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Summary: secondary index join change
Key: HUDI-9505
URL: https://issues.apache.org/jira/browse/HUDI-9505
Project: Apache Hudi
Issue Type: Bug
Reporter: Davis Zhang
Fix For: 1.1.0
[HoodieTableMetadata.java|http://hoodietablemetadata.java/] index lookup API of
SI and RLI only, input output all use HoodieData/HoodieMapData.
Add new API as needed as the lookup of keys may only need result sets, instead
of a map of key → result set.
If it is table version 9
Still the SI entry format is
{{<secondary col value>_<record col value>: null}}
hash partition by {{<secondary col value>}}
Make sure we cover both read/write path change
For table version 8 it is the same as before.
Table version upgrade drop all SI.
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