Hanifi Gunes created DRILL-1838:
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Summary: MapVector should late bind/replace vector type for null
valued vectors
Key: DRILL-1838
URL: https://issues.apache.org/jira/browse/DRILL-1838
Project: Apache Drill
Issue Type: Bug
Reporter: Hanifi Gunes
Assignee: Hanifi Gunes
Assume we have two batches. The first one with all null values and the second
one with a `concrete` value. Upon visiting the concrete value, we should
replace the previous vector un-typed vector with the typed one to avoid a
schema change exception.
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