SQLAlchemy + Postgres Cheatsheets on Manvendra Rajpoot

SQLAlchemy + Postgres Cheatsheets on Manvendra Rajpoot https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/ Recent content in SQLAlchemy + Postgres Cheatsheets on Manvendra Rajpoot Manvendra Rajpoot https://blog.rajpoot.dev/img/personal/cover.png https://blog.rajpoot.dev/img/personal/cover.png Hugo en Manvendra Rajpoot SQLAlchemy + Postgres Cheatsheet 01 — asyncpg / psycopg Setup https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/01-asyncpg-psycopg-setup-cheatsheet/ Wed, 13 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/01-asyncpg-psycopg-setup-cheatsheet/ asyncpg vs psycopg setup, connection args, server settings, PgBouncer config. SQLAlchemy + Postgres Cheatsheet 02 — JSONB Patterns https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/02-jsonb-cheatsheet/ Wed, 13 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/02-jsonb-cheatsheet/ JSONB in SQLAlchemy — column declaration, queries, indexing, updates. SQLAlchemy + Postgres Cheatsheet 03 — Arrays https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/03-arrays-cheatsheet/ Wed, 13 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/03-arrays-cheatsheet/ Postgres ARRAY in SQLAlchemy — column, operations, indexing. SQLAlchemy + Postgres Cheatsheet 04 — Ranges, INTERVAL, citext, INET https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/04-ranges-intervals-cheatsheet/ Wed, 13 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/04-ranges-intervals-cheatsheet/ Postgres range types, INTERVAL, citext, INET in SQLAlchemy. SQLAlchemy + Postgres Cheatsheet 05 — Indexes (B-tree, GIN, GiST, BRIN, HASH) https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/05-indexes-cheatsheet/ Wed, 13 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/05-indexes-cheatsheet/ Postgres index types in SQLAlchemy — B-tree, GIN, GiST, BRIN, HASH, partial, expression, INCLUDE. SQLAlchemy + Postgres Cheatsheet 06 — Full-Text Search https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/06-fts-cheatsheet/ Wed, 13 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/06-fts-cheatsheet/ Postgres FTS in SQLAlchemy — tsvector, tsquery, GIN, ranking, websearch. SQLAlchemy + Postgres Cheatsheet 07 — Locking, SKIP LOCKED, Advisory Locks https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/07-locking-cheatsheet/ Wed, 13 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/07-locking-cheatsheet/ Postgres locking via SQLAlchemy — FOR UPDATE, NOWAIT, SKIP LOCKED, advisory locks. SQLAlchemy + Postgres Cheatsheet 08 — LISTEN / NOTIFY https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/08-listen-notify-cheatsheet/ Wed, 13 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/08-listen-notify-cheatsheet/ Postgres LISTEN/NOTIFY via asyncpg — real-time pub/sub for SQLAlchemy apps. SQLAlchemy + Postgres Cheatsheet 09 — Row-Level Security for Multi-Tenancy https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/09-rls-multitenancy-cheatsheet/ Wed, 13 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/09-rls-multitenancy-cheatsheet/ Postgres RLS in SQLAlchemy — policies, contextvars, app role. SQLAlchemy + Postgres Cheatsheet 10 — Upsert, RETURNING, and COPY https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/10-upsert-bulk-cheatsheet/ Wed, 13 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/10-upsert-bulk-cheatsheet/ Postgres-specific upsert / RETURNING / COPY in SQLAlchemy. SQLAlchemy + Postgres Cheatsheet 11 — Partitioning https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/11-partitioning-cheatsheet/ Wed, 13 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/11-partitioning-cheatsheet/ Postgres partitioning in SQLAlchemy — range/list/hash partitions, pg_partman. SQLAlchemy + Postgres Cheatsheet 12 — pgvector (Embeddings) https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/12-pgvector-cheatsheet/ Wed, 13 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/12-pgvector-cheatsheet/ pgvector with SQLAlchemy — vector column, HNSW / IVFFlat indexes, similarity queries. SQLAlchemy + Postgres Cheatsheet 12 — Schema-Per-Tenant https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/12-schema-per-tenant-cheatsheet/ Wed, 13 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/12-schema-per-tenant-cheatsheet/ Schema-per-tenant pattern in SQLAlchemy with Postgres. SQLAlchemy + Postgres Cheatsheet 13 — Backups, PITR, Logical Backup https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/13-backup-pitr-cheatsheet/ Wed, 13 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/13-backup-pitr-cheatsheet/ Postgres backup options — pg_dump, pg_basebackup, pgBackRest, WAL archiving, point-in-time recovery. SQLAlchemy + Postgres Cheatsheet 13 — DB-Per-Tenant https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/13-db-per-tenant-cheatsheet/ Wed, 13 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/13-db-per-tenant-cheatsheet/ DB-per-tenant pattern in SQLAlchemy — engine cache, lifespan, migrations. SQLAlchemy + Postgres Cheatsheet 14 — pgvector for Embeddings https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/14-pgvector-cheatsheet/ Wed, 13 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/14-pgvector-cheatsheet/ pgvector in SQLAlchemy — vector columns, distance queries, HNSW / IVFFlat indexes. SQLAlchemy + Postgres Cheatsheet 14 — Replication and Failover https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/14-replication-failover-cheatsheet/ Wed, 13 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/14-replication-failover-cheatsheet/ Postgres replication + failover with SQLAlchemy — streaming, logical, Patroni, multi-host URL. SQLAlchemy + Postgres Cheatsheet 15 — Maintenance (VACUUM, ANALYZE, REINDEX) https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/15-maintenance-cheatsheet/ Wed, 13 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/15-maintenance-cheatsheet/ Postgres maintenance — VACUUM, ANALYZE, REINDEX, bloat checks, autovacuum tuning. SQLAlchemy + Postgres Cheatsheet 15 — Replication, Read Replicas, and Failover https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/15-replication-failover-cheatsheet/ Wed, 13 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/15-replication-failover-cheatsheet/ Postgres replication via SQLAlchemy — write/read engines, multi-host failover. SQLAlchemy + Postgres Cheatsheet 16 — Postgres Extensions https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/16-extensions-cheatsheet/ Wed, 13 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/16-extensions-cheatsheet/ Postgres extensions — pg_trgm, citext, uuid-ossp, pg_partman, pg_cron, pgvector, postgis. SQLAlchemy + Postgres Cheatsheet 16 — VACUUM, Bloat, and Maintenance https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/16-vacuum-maintenance-cheatsheet/ Wed, 13 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/16-vacuum-maintenance-cheatsheet/ Postgres maintenance — VACUUM, ANALYZE, bloat, REINDEX, autovacuum tuning. SQLAlchemy + Postgres Cheatsheet 17 — pg_stat_statements and Slow Queries https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/17-pg-stat-slow-queries-cheatsheet/ Wed, 13 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/17-pg-stat-slow-queries-cheatsheet/ Postgres slow-query diagnosis — pg_stat_statements, auto_explain, log_min_duration_statement. SQLAlchemy + Postgres Cheatsheet 18 — Backup, PITR, and Restore https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/18-backup-pitr-cheatsheet/ Wed, 13 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/18-backup-pitr-cheatsheet/ Postgres backups, PITR, pgBackRest, restore drills. SQLAlchemy + Postgres Cheatsheet 19 — Operational Patterns https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/19-operational-patterns-cheatsheet/ Wed, 13 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/19-operational-patterns-cheatsheet/ Production operational patterns — PgBouncer, role separation, statement timeouts, connection limits. SQLAlchemy + Postgres Cheatsheet 20 — Useful Postgres Extensions https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/20-extensions-cheatsheet/ Wed, 13 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/20-extensions-cheatsheet/ Postgres extensions catalog — the ones you'll actually use.