The ClickHouse edge answers in the formats HyperDX asks for: JSONCompactEachRowWithNamesAndTypes, TabSeparatedRaw, ISO timestamps, and count() by its name (T-493) - #351
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added this pull request to stack #354
September 20, 2026 00:57
…actEachRowWithNamesAndTypes, TabSeparatedRaw, ISO timestamps, and count() by its name (T-493) HyperDX streams its results table from JSONCompactEachRowWithNamesAndTypes, sends date_time_output_format=iso on every query and feeds the values to new Date(), and reads its total from a column named exactly count(). - Format takes the JSONCompactEachRow family (plain, WithNames, WithNamesAndTypes) and TabSeparatedRaw, which writes a value unescaped. - Format.encode/4 takes opts: elapsed_ms: and date_time: :iso, which writes a timestamp as 2026-09-19T10:11:29.500000Z in the text formats. RowBinary carries the number either way. Query reads the setting from the URL. - An unaliased count() or count(*) answers as count(), not the engine's count_star(). Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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TL;DR: The ClickHouse edge answers in the formats HyperDX asks for, writes ISO timestamps on request, and names
count()as ClickHouse does.Tracker: T-493. Plan PL-66. Stacked on #350 (T-502).
Why
JSONCompactEachRowWithNamesAndTypes.date_time_output_format=isoon every query and feeds the values tonew Date().count(). DuckDB names itcount_star().What changed
JSONCompactEachRow,...WithNames,...WithNamesAndTypes,TabSeparatedRaw.Format.encode/4takesopts:elapsed_ms:anddate_time: :iso.count()orcount(*)answers ascount().How it works
2026-09-19 10:11:29.500000date_time_output_format=iso2026-09-19T10:11:29.500000ZWatch out
Checks
mix precommitmix ci🤖 Generated with Claude Code