tsoud opened a new pull request, #29158:
URL: https://github.com/apache/airflow/pull/29158
The alias for the subquery was missing in the `merge_data()` function's
query, so it just needed to be added. Otherwise, the `employees` table remains
empty. I found the error in the postgres container logs:
```
2023-01-25 08:00:03 2023-01-25 14:00:03.256 UTC [70428] ERROR: subquery in
FROM must have an alias at character 74
2023-01-25 08:00:03 2023-01-25 14:00:03.256 UTC [70428] HINT: For example,
FROM (SELECT ...) [AS] foo.
2023-01-25 08:00:03 2023-01-25 14:00:03.256 UTC [70428] STATEMENT:
2023-01-25 08:00:03 INSERT INTO employees
2023-01-25 08:00:03 SELECT *
2023-01-25 08:00:03 FROM (
2023-01-25 08:00:03 SELECT DISTINCT *
2023-01-25 08:00:03 FROM employees_temp
2023-01-25 08:00:03 )
2023-01-25 08:00:03 ON CONFLICT ("Serial Number") DO UPDATE
2023-01-25 08:00:03 SET "Serial Number" = excluded."Serial
Number";
```
Thank you!
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