Обсуждение: pgAdmin 4 commit: Resolve problem displaying intervals and timestamps.

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pgAdmin 4 commit: Resolve problem displaying intervals and timestamps.

От
Dave Page
Дата:
Resolve problem displaying intervals and timestamps. Fixes #1352

1) No handling for INTERVAL type datetime.
For example: executing query
SELECT INTERVAL '15 minutes';
throws json serialization error, because it returns time in timedelta format which is not handled.

Added support to handle timedelta datetime format in DataTypeJSONEncoder class

2) When we try to get BC dates from database raises ValueError: year is out of range
For eg:
SELECT TIMESTAMP '0044-03-15 10:00:00 BC',
It is because pyscopg2 doesn't handle BC datetime format.

So we have defined our method which type cast the datetime value to string in pyscopg2 overriding default behaviour.

Reference:
http://initd.org/psycopg/docs/advanced.html#type-casting-from-sql-to-python
https://github.com/dbcli/pgcli/blob/ccf3693be62dd8a79ced19ed9d69f0708d2b3d6f/pgcli/pgexecute.py

Branch
------
master

Details
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http://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=5dbbd8e638a6c4c4d1df4203cd70a6bd92350ab6
Author: Surinder Kumar <surinder.kumar@enterprisedb.com>

Modified Files
--------------
web/pgadmin/utils/ajax.py                     |  2 ++
web/pgadmin/utils/driver/psycopg2/__init__.py | 20 ++++++++++++++++++++
2 files changed, 22 insertions(+)