Examples · Maintenance

Sixty-four single-row inserts, replaced with one

Replaced the per-area insert loop with one multi-row INSERT, built the same way an existing webhook batching helper already does it.

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$12.79: Cost, start to finish
3h 26m: Lead time, filed to merged
2: Files changed in the merge

Measured from this task's real merge.

Cost: $12.79
Turns: 314
Lead time: 3h 26m
Merged: Sep 14, 2026
Diff: 2 files · +61 -13

Every repo's LOC-census ingest re-inserted its per-area breakdown rows one at a time, inside the same transaction as the snapshot upsert: up to 64 round trips for a batch already capped at 64 rows.

What was asked for

internal/loccensus's Ingest re-inserts every per-area breakdown row one at a time inside the same transaction as the snapshot upsert, up to 64 single-row INSERTs per ingest instead of one multi-row INSERT.

Filed by a developer, routed by capability (go).

What the herd did

plan
code
review
merge
verify
done

plan: Confirmed the area count is capped at 64 per ingest, then found an existing multi-row insert helper elsewhere in the repo to copy instead of writing a new one.
code: Replaced the per-area loop with one multi-row INSERT built from that same helper, and left the snapshot upsert and the delete step untouched.
review: Checked the change against the existing Ingest tests and added a case covering more than one area.
merge: Two files: the repo method and its test.
verify: Confirmed a LOC-census ingest with multiple areas still writes every row, now in one statement instead of many.
done: $12.79 and 314 turns, for a two-file change.

What it changed

The merge touched 2 files (+61 −13). Among them:

internal/loccensus/repo.go
internal/loccensus/repo_test.go

What it cost

$12.79 in model spend, 314 agent turns, and 3h 26m from filed to merged. See what a month of work like this would cost your own team on our cost calculator.

A loop bounded at 64 iterations is still 64 round trips worth collapsing into one.

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