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# postgres

Posts on tips and tricks, using and learning about PostgreSQL for database development and analysis.

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Migrating from Neon to Supabase (Postgres + Drizzle, in production)

Migrating from Neon to Supabase (Postgres + Drizzle, in production)

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7 min read
Cutting a 26-Minute Supabase Batch Job to Near Zero — The prev_fetched Flag Pattern

Cutting a 26-Minute Supabase Batch Job to Near Zero — The prev_fetched Flag Pattern

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2 min read
Sub-queries vs Window Functions vs Common Table Expressions: Which Should You Use in SQL?

Sub-queries vs Window Functions vs Common Table Expressions: Which Should You Use in SQL?

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3 min read
PostgreSQL Covering Indexes: Eliminate Heap Fetches with INCLUDE

PostgreSQL Covering Indexes: Eliminate Heap Fetches with INCLUDE

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3 min read
Supabase Migration Best Practices — Timestamp Naming, Conflict Prevention, Seed Separation

Supabase Migration Best Practices — Timestamp Naming, Conflict Prevention, Seed Separation

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2 min read
I keep writing the same Pydantic-asyncpg wrapper. So I published it.

I keep writing the same Pydantic-asyncpg wrapper. So I published it.

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6 min read
Designing Conversational Infrastructure for AI Agents: Context Forking, Rate Limiting, and Identity Rotation

Designing Conversational Infrastructure for AI Agents: Context Forking, Rate Limiting, and Identity Rotation

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19 min read
I Built a Multi-Tenant SaaS for 50+ Tenants — Here's the Complete Architecture

I Built a Multi-Tenant SaaS for 50+ Tenants — Here's the Complete Architecture

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9 min read
Building Audit Logs That Don't Destroy Your Database: A Production Pattern

Building Audit Logs That Don't Destroy Your Database: A Production Pattern

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4 min read
From AI Code Generation to AI System Investigation

From AI Code Generation to AI System Investigation

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3 min read
Architecting a Two-Stage Semantic Search Pipeline with HNSW, LATERAL JOIN, and Cubic Scoring

Architecting a Two-Stage Semantic Search Pipeline with HNSW, LATERAL JOIN, and Cubic Scoring

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15 min read
PostgreSQL JSONB Indexing: GIN, Expression & Partial Index Strategies

PostgreSQL JSONB Indexing: GIN, Expression & Partial Index Strategies

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4 min read
The 8 tables behind a real auth system (Postgres schema, explained column by column)

The 8 tables behind a real auth system (Postgres schema, explained column by column)

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10 min read
PostgreSQL Backup and Recovery: A Complete Guide

PostgreSQL Backup and Recovery: A Complete Guide

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5 min read
TimescaleDB Continuous Aggregates: What I Got Wrong (and How to Fix It)

TimescaleDB Continuous Aggregates: What I Got Wrong (and How to Fix It)

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5 min read
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