Ajantha Bhat created CARBONDATA-3995:
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Summary: Support presto querying older complex type stores
Key: CARBONDATA-3995
URL: https://issues.apache.org/jira/browse/CARBONDATA-3995
Project: CarbonData
Issue Type: Bug
Reporter: Ajantha Bhat
Assignee: Ajantha Bhat
Before carbon 2.0, complex child length is stored as SHORT for string, varchar,
binary, date, decimal types.
So, In 2.0 as it is stored as INT, presto complex query code always assumes it
as INT
and goes to out of bound exception when old store is queried.
If INT_LENGTH_COMPLEX_CHILD_BYTE_ARRAY encoding is present, parse as INT, else
parse as SHORT.
so, that both stores can be queried.
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