Ian Hellstrom created DRILL-4507:
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Summary: TO_TIMESTAMP does not generate TIMESTAMP data type in
metadata
Key: DRILL-4507
URL: https://issues.apache.org/jira/browse/DRILL-4507
Project: Apache Drill
Issue Type: Bug
Components: Execution - Data Types
Affects Versions: 1.5.0
Reporter: Ian Hellstrom
When creating a view that contains the `TO_TIMESTAMP()` casting function, the
resulting column does not show up as a `TIMESTAMP` but rather as `ANY`:
{code}
CREATE VIEW timestamp_test AS SELECT TO_TIMESTAMP('2008-2-23 12:00:00',
'yyyy-MM-dd HH:mm:ss') FROM (VALUES(1));
DESCRIBE timestamp_test;
{code}
yields:
{code}
+--------------+------------+--------------+
| COLUMN_NAME | DATA_TYPE | IS_NULLABLE |
+--------------+------------+--------------+
| EXPR$0 | ANY | YES |
+--------------+------------+--------------+
{code}
The same is true when using `SUBSTR`, which ought to return strings, but in
reality shows up as `ANY` in the description.
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