N Campbell created HIVE-10282:
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Summary: Implement ISO-SQL substring semantics
Key: HIVE-10282
URL: https://issues.apache.org/jira/browse/HIVE-10282
Project: Hive
Issue Type: Improvement
Components: SQL
Affects Versions: 0.13.0
Reporter: N Campbell
Priority: Minor
Hive provides SUBSTR which is copying MySQL which does not follow ISO-SQL
semantic for a -ve start position. A -ve start is logically to the left of the
first character in the string not starting from the end of the string.
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