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fix: harden unicode safety checks

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Affaan Mustafa
2026-03-29 08:59:06 -04:00
parent dd675d4258
commit 866d9ebb53
239 changed files with 3780 additions and 3962 deletions
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12
skills/clickhouse-io/SKILL.md
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@@ -96,7 +96,7 @@ ORDER BY hour DESC;
### Efficient Filtering
```sql
-- ✅ GOOD: Use indexed columns first
-- PASS: GOOD: Use indexed columns first
SELECT *
FROM markets_analytics
WHERE date >= '2025-01-01'
@@ -105,7 +105,7 @@ WHERE date >= '2025-01-01'
ORDER BY date DESC
LIMIT 100;
-- ❌ BAD: Filter on non-indexed columns first
-- FAIL: BAD: Filter on non-indexed columns first
SELECT *
FROM markets_analytics
WHERE volume > 1000
@@ -116,7 +116,7 @@ WHERE volume > 1000
### Aggregations
```sql
-- ✅ GOOD: Use ClickHouse-specific aggregation functions
-- PASS: GOOD: Use ClickHouse-specific aggregation functions
SELECT
toStartOfDay(created_at) AS day,
market_id,
@@ -129,7 +129,7 @@ WHERE created_at >= today() - INTERVAL 7 DAY
GROUP BY day, market_id
ORDER BY day DESC, total_volume DESC;
-- ✅ Use quantile for percentiles (more efficient than percentile)
-- PASS: Use quantile for percentiles (more efficient than percentile)
SELECT
quantile(0.50)(trade_size) AS median,
quantile(0.95)(trade_size) AS p95,
@@ -172,7 +172,7 @@ const clickhouse = new ClickHouse({
}
})
// ✅ Batch insert (efficient)
// PASS: Batch insert (efficient)
async function bulkInsertTrades(trades: Trade[]) {
const values = trades.map(trade => `(
'${trade.id}',
@@ -188,7 +188,7 @@ async function bulkInsertTrades(trades: Trade[]) {
`).toPromise()
}
// ❌ Individual inserts (slow)
// FAIL: Individual inserts (slow)
async function insertTrade(trade: Trade) {
// Don't do this in a loop!
await clickhouse.query(`