Dmitry Lychagin created ASTERIXDB-2376:
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Summary: Support negative offset for substring()
Key: ASTERIXDB-2376
URL: https://issues.apache.org/jira/browse/ASTERIXDB-2376
Project: Apache AsterixDB
Issue Type: Improvement
Components: FUN - Functions
Reporter: Dmitry Lychagin
Assignee: Dmitry Lychagin
When negative offset is passed to substring() function it should mean: count
from the end of the string
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