Polishing my systems programming with Zig. ⚡️
I blog about tech and human behaviour at igupta.in
recurse.com alumni. He/Him.
2️⃣ Truly un-selective: Stats are right; scan really is cheaper.
3️⃣ Complex estimates: Many joins / ORs / CTE / functions scramble row estimates.
4️⃣ Handcuffs on: RLS limits optimizations or GUCs forbid the path.
5️⃣ Planner bugs: Rare but...
2️⃣ Truly un-selective: Stats are right; scan really is cheaper.
3️⃣ Complex estimates: Many joins / ORs / CTE / functions scramble row estimates.
4️⃣ Handcuffs on: RLS limits optimizations or GUCs forbid the path.
5️⃣ Planner bugs: Rare but...