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fix(candles): serve chart from cache and stabilize any-source

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u1
2026-02-02 22:28:30 +01:00
parent 507da3165f
commit ef8f7cbeaa
2 changed files with 67 additions and 17 deletions
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33
kustomize/base/candles-cache-worker/worker.mjs
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@@ -144,7 +144,14 @@ function chunkSecondsForBucket(bucketSeconds) {
function sqlUpsertCandlesFromTicks({ symbol, sourceKey, bucketSeconds, fromIso, toIso }) {
return `
WITH base AS (
WITH chosen AS (
SELECT source AS chosen_source
FROM public.drift_ticks
WHERE symbol = ${sqlLit(symbol)}
ORDER BY ts DESC
LIMIT 1
),
base AS (
SELECT
time_bucket(make_interval(secs => ${bucketSeconds}), ts) AS bucket,
ts,
@@ -154,7 +161,10 @@ function sqlUpsertCandlesFromTicks({ symbol, sourceKey, bucketSeconds, fromIso,
WHERE symbol = ${sqlLit(symbol)}
AND ts >= ${sqlLit(fromIso)}::timestamptz
AND ts < ${sqlLit(toIso)}::timestamptz
AND (${sqlLit(sourceKey)} = '' OR source = ${sqlLit(sourceKey)})
AND (
${sqlLit(sourceKey)} <> '' AND source = ${sqlLit(sourceKey)}
OR ${sqlLit(sourceKey)} = '' AND source = COALESCE((SELECT chosen_source FROM chosen), source)
)
),
agg AS (
SELECT
@@ -195,11 +205,26 @@ function sqlDeleteOlderCandles({ symbol, sourceKey, bucketSeconds, cutoffIso })
}
async function getTickRange(cfg, { symbol, sourceKey }) {
const sql = `
const sql =
String(sourceKey) === ''
? `
WITH chosen AS (
SELECT source AS chosen_source
FROM public.drift_ticks
WHERE symbol=${sqlLit(symbol)}
ORDER BY ts DESC
LIMIT 1
)
SELECT min(ts) AS min_ts, max(ts) AS max_ts
FROM public.drift_ticks
WHERE symbol=${sqlLit(symbol)}
AND (${sqlLit(sourceKey)} = '' OR source = ${sqlLit(sourceKey)});
AND source = COALESCE((SELECT chosen_source FROM chosen), source);
`
: `
SELECT min(ts) AS min_ts, max(ts) AS max_ts
FROM public.drift_ticks
WHERE symbol=${sqlLit(symbol)}
AND source = ${sqlLit(sourceKey)};
`;
const out = await hasuraRunSql(cfg, sql, { readOnly: true });
const row = Array.isArray(out?.result) && out.result.length >= 2 ? out.result[1] : null;