Day 5 results: offset vs keyset pagination

Measured on: (machine, OS, Python version)

Output

Paste part 1, part 2, part 3 and the scoreboard here.

One sentence per prediction

  • P1 (offset, first page):
  • P2 (offset, deep page):
  • P3 (keyset, deep page):
  • P4 (deep offset / keyset):

The Part 2 number

Rows the database touched to walk the table: offset __, keyset __. In one line, why:

What the query planner showed

Offset deep: __ Keyset deep: __

Part 3: the correctness bug

What offset showed twice: __ What keyset showed twice: __

Can’t explain yet