at the very least, you are not using a "join" on the tables.
i suggest first going through the tutorial again, and paying attention to
the section on "join".
http://docs.sqlalchemy.org/en/latest/core/tutorial.html#using-joins
--
SQLAlchemy -
The Python SQL Toolkit and Object Relational Mapp
awesome, thanks!
On 01/02/2018 15:50, Mike Bayer wrote:
On Thu, Feb 1, 2018 at 3:27 AM, Chris Withers wrote:
Hi,
So, I need to add an exclude constraint to a postgres table which has a
boolean column, but:
ProgrammingError: (psycopg2.ProgrammingError) data type boolean has no
default operato
On Thu, Feb 1, 2018 at 3:27 AM, Chris Withers wrote:
> Hi,
>
> So, I need to add an exclude constraint to a postgres table which has a
> boolean column, but:
>
> ProgrammingError: (psycopg2.ProgrammingError) data type boolean has no
> default operator class for access method "gist"
> HINT: You mu
This has to do with the driver also. What driver and OS are you using?
FreeTDS has to be configured in the conf settings.
On Feb 1, 2018 12:50 AM, "Nikhil kumar" wrote:
> Hi,
> I am using a unicode character in my python string i.e. \u2013. When I try
> to insert this into mssql I see this cha
Hi,
I have a problem to convert the following MySQL query into SQLAlchemy
(python) expression:
SELECT
SUM(IF(t1.column_3 = 1
AND t1.column_4 > DATE_SUB(NOW(), INTERVAL 2 MONTH),
1,
0)) AS label_1,
SUM(IF(t1.column_3 = 1
AND t1.column_4 > DATE_SUB(
On Wed, Jan 31, 2018 at 5:27 PM, Stanislav Lobanov wrote:
> Hello, i need to create a system, that can store historical versions of
> objects.
>
> Example model looks like:
>
> class User(Base):
>id=Column(Integer) # ForeignKey
>start=Column(DateTime)
>end=Column(DateTime)
>name=C
Hi,
So, I need to add an exclude constraint to a postgres table which has a
boolean column, but:
ProgrammingError: (psycopg2.ProgrammingError) data type boolean has no
default operator class for access method "gist"
HINT: You must specify an operator class for the index or define a
default
