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perf: add 90-day time floor to Cursor SQL query

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Instead of scanning all 300K+ rows on every load, only query
entries from the last 90 days. Eliminates the full table scan
that caused slow provider switching on large databases.
This commit is contained in:
AgentSeal 2026-04-15 03:51:11 -07:00
parent 70931b7269
commit dacebd6d3c
1 changed files with 5 additions and 8 deletions
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13
src/providers/cursor.ts
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@ -64,11 +64,7 @@ const BUBBLE_QUERY_BASE = `
AND json_extract(value, '$.tokenCount.inputTokens') > 0
`
const BUBBLE_QUERY_FULL = BUBBLE_QUERY_BASE + `
ORDER BY json_extract(value, '$.createdAt') ASC
`
const BUBBLE_QUERY_INCREMENTAL = BUBBLE_QUERY_BASE + `
const BUBBLE_QUERY_SINCE = BUBBLE_QUERY_BASE + `
AND json_extract(value, '$.createdAt') > ?
ORDER BY json_extract(value, '$.createdAt') ASC
`
@ -89,11 +85,12 @@ function parseBubbles(db: SqliteDatabase, seenKeys: Set<string>, afterTimestamp?
let skipped = 0
let maxCreatedAt = afterTimestamp ?? 0
const DEFAULT_LOOKBACK_MS = 90 * 24 * 60 * 60 * 1000
const timeFloor = afterTimestamp ?? (Date.now() - DEFAULT_LOOKBACK_MS)
let rows: BubbleRow[]
try {
rows = afterTimestamp
? db.query<BubbleRow>(BUBBLE_QUERY_INCREMENTAL, [afterTimestamp])
: db.query<BubbleRow>(BUBBLE_QUERY_FULL)
rows = db.query<BubbleRow>(BUBBLE_QUERY_SINCE, [timeFloor])
} catch {
return { calls: results, maxCreatedAt }
}