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Results tagged with orm
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user 2639
Object-relational mapping is a programming technique that allows applications to work with the data as objects, but store the data in a database as groups of simpler values.
2
votes
Accepted
Do ORMs provide interfaces for working with window functions?
At the point a Window Function works, the authors of an ORM may as well map the syntax into their own result-set processing features. …
- 64.6k
7
votes
How to model Parent -> Child -> Grandchild if the Child can be removed
PostgreSQL and ltree
If you're using PostgreSQL, you can check out ltree which does this and keeps things sane and indexable.
CREATE EXTENSION ltree; -- required if you don't have it.
CREATE TABLE …
- 64.6k
-1
votes
How can I optimize a query where a IN clause is replaced with multiples UNION ALL?
You say you're using m.find().populate(slow_view, id: ids); It sounds to me like this is not what you want, but instead, from the docs you linked,
m.find().populate(
slow_view,
where: {
id: [ …
- 64.6k