Maxim Gekk created SPARK-29408:
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Summary: Support interval literal with negative sign `-`.
Key: SPARK-29408
URL: https://issues.apache.org/jira/browse/SPARK-29408
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Maxim Gekk
For example:
{code}
maxim=# select - interval '1-2' AS "negative year-month";
negative year-month
---------------------
-1 years -2 mons
(1 row)
{code}
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