Kent Yao created SPARK-30026:
--------------------------------
Summary: Support all whitespaces as delimiter for inside a
interval value
Key: SPARK-30026
URL: https://issues.apache.org/jira/browse/SPARK-30026
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Kent Yao
{code:sql}
postgres=# select interval E'1 \t day';
interval
----------
1 day
(1 row)
postgres=# select interval E'1\t' day;
interval
----------
1 day
(1 row)
postgres=# select interval '1 ' day;
interval
----------
1 day
(1 row)
{code}
We are now able to handle whitespaces for integral and fractional types, and
the leading or trailing whitespaces for interval, date, and timestamps. But the
current interval parser is not able to identify whitespaces as separates as
PostgreSQL can do
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