Prasad Nagaraj Subramanya created DRILL-5742:
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Summary: CONVERT_FROM_JSON on a non-existing column in a file
throws null pointer exception
Key: DRILL-5742
URL: https://issues.apache.org/jira/browse/DRILL-5742
Project: Apache Drill
Issue Type: Bug
Affects Versions: 1.11.0
Reporter: Prasad Nagaraj Subramanya
Query using CONVERT_FROM_JSON on a non-existing field.
{code}
SELECT CONVERT_FROM(columns[3], 'JSON') as col1 FROM dfs.`file1.tbl`;
{code}
The file above has only 3 columns.
Throws the below exception
{code}
Error: SYSTEM ERROR: NullPointerException
Fragment 0:0
{code}
Expected behavior - The query should return null, which is the behavior if we
scan a non-existing field.
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