Upsert element in column that contains arrays
I have a PostgreSQL table that contains a column with array of strings, and I use SQLAlchemy to manage it.
I would like to build an “upsert” function, so if a specific cell contains as example {'a', 'b'}
, and I try to update it with 'b'
, the output should be still {'a', 'b'}
.
SQLAlchemy to_tsquery multiple
Suggest a SQLAlchemy request to implement a request like
How do I convert an id = ANY(ARRAY(select …)) to sqlalchemy
I have the following simplified query
SQLAlchemy: select only those parents which don’t have children records
I have 2 tables: chat and chat_messages. I want to get only those chats which don’t have chat_messages from users (they may have messages from other sources like admins).
Sqlalchemy postgresql Reserved key word as column name not able to insert
I have a table with column name “collation” whose schema I cannot change.
I generated some data I want to insert into this table using the following code snippet: