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Hi Joseph,

Good catch.
Of the reserved words that are special values of type Date/Time, 
'now', 'today', 'tomorrow', 'yesterday', and 'allballs', 
I get an error even before applying the patch.

One thing I noticed is that the following SQL 
returns normal results even after applying the patch.

postgres=# select timestamp 'epoch 01:01:01';
      timestamp
---------------------
 1970-01-01 00:00:00
(1 row)

When 'epoch','infinity','-infinity' and time are specified together, 
the time specified in the SQL is not included in result.
I think it might be better to assume that this pattern is also an error.
What do you think?

As a side note,
reserved words such as 'today', 'tomorrow', and 'yesterday'
can be used to specify a time.

postgres=# select timestamp 'today 01:01:01';
      timestamp
---------------------
 2023-03-03 01:01:01
(1 row)

Best Regards,
Keisuke Kuroda
NTT Comware

The new status of this patch is: Waiting on Author

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