Function isKnownEventField

packages/db/src/services/chart.service.ts:101–112

(name: string)

// cohort breakdown, or `has_profile`. Used to drop unknown filters/breakdowns
// instead of emitting invalid `SELECT cohort` / `SELECT temple_name` queries.
export function isKnownEventField(name: string): boolean {
  if (name === 'has_profile') return true;
  if (isAllCohortsBreakdown(name)) return true;
  if (extractCohortId(name)) return true;
  if (name.startsWith('properties.')) return true;
  if (name.startsWith('profile.')) return true;
  if (name.startsWith('group.')) return true;
  const normalized = normalizeEventField(name);
  if (normalized.startsWith('properties.')) return true;
  if (EVENT_TOP_LEVEL_COLUMNS.has(normalized)) return true;
  return false;
}

export type CohortMetadata = {
  id: string;