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Python 我找到了筑巢的原因。谢谢 metadata ------------------------------ primary_id - integer secondary_count - integer property - strin_Python_Postgresql_Sqlalchemy_Subquery_Lateral Join - Fatal编程技术网
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  • Python 我找到了筑巢的原因。谢谢 metadata ------------------------------ primary_id - integer secondary_count - integer property - strin

Python 我找到了筑巢的原因。谢谢 metadata ------------------------------ primary_id - integer secondary_count - integer property - strin

python postgresql sqlalchemy

Python 我找到了筑巢的原因。谢谢 metadata ------------------------------ primary_id - integer secondary_count - integer property - strin,python,postgresql,sqlalchemy,subquery,lateral-join,Python,Postgresql,Sqlalchemy,Subquery,Lateral Join,我找到了筑巢的原因。谢谢 metadata ------------------------------ primary_id - integer secondary_count - integer property - string (many to each primary_id) data ----------------------------- primary_id - integer secondary_id - integer (many

我找到了筑巢的原因。谢谢 
metadata
------------------------------
primary_id      - integer
secondary_count - integer
property        - string  (many to each primary_id)

data
-----------------------------
primary_id      - integer
secondary_id    - integer (many to each primary_id)
primary_json    - json bytes
secondary_json  - json bytes