Files
Matt Aitken f53db6fd16 Query: time limits, performance improvements, styling (#2953)
Summary
- Query: add time limits, performance improvements, and styling updates

Changes
- Add ClickHouse output_text and error_text columns with indexes
- Automatically use _text columns for JSON based on query pattern;
support JSON column data prefixes
- Add idempotency key and scope columns
- Add enforcedWhereClause for tenant and time restrictions, instead of
the old tenant stuff.
- Implement basic time filter limiting and set default time period based
on plan; show message when results are clipped
- UX: resizable code area (including vertical splits), collapsible
sidebar, fix table/chart vertical sizing, max height for chart legend in
fullscreen
- Styling and UI tweaks: improved chart legend styling, more chart
colours, thinner line chart stroke, pricing callout color, improved
layout for callouts
- Features: generate and save AI titles
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2026-01-29 13:02:47 +00:00
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2026-01-09 11:39:36 +00:00
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2026-01-09 11:39:36 +00:00
2026-01-09 11:39:36 +00:00
2026-01-09 11:39:36 +00:00

TSQL (TriggerSQL)

TriggerSQL is a DSL that is safely converted into ClickHouse SQL queries with protection against SQL injection and it's tenant-safe (users can only query their own data).

Attribution

This package is derived from PostHog's HogQL (MIT License). See NOTICE.md for the full copyright notice.

ANTLR Grammar

The ANTLR grammar is heavily inspired by PostHog's HogQL.

These are found in ./src/grammar and are the .g4 files.

Generating the source code

pnpm run grammar:build