query-patterns 0.1.2

Lightweight query access-pattern declaration for ORMs

query-patterns

Declare query access patterns in code and verify matching DB indexes. Supports SQLAlchemy and Django.

What it does

• Collects all @query_pattern declarations
• Extracts ORM indexes
  • SQLAlchemy: MetaData
  • Django: Model._meta.indexes
• Compares (table, columns) and reports [OK] or [MISSING]

Example output

• [OK] users('email',)
• [MISSING] orders('user_id',)

Install

pip install query-patterns
pip install "query-patterns[sqlalchemy]"
pip install "query-patterns[django]"

Declare a pattern

from query_patterns import query_pattern

class Repo:
    @query_pattern(table="users", columns=["email"])
    def find(self, email): ...

SQLAlchemy

query-patterns sqlalchemy \
  --module myapp.repo \
  --metadata myapp.metadata.metadata
  
# or auto-discover modules
query-patterns sqlalchemy \
  --metadata myapp.metadata.metadata

Django

query-patterns django \
  --settings config.settings \
  --module myapp.repo
  
# or auto-discover modules 
query-patterns django \
  --settings config.settings