perf(ui): reduce rebuilds and virtualize heavy surfaces (#93) - #94
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Keep interface scale drag local to the preferences slider; commit once on release. Split theme and scale ListenableBuilders, cache ThemeData, and stop bumping AppSettingsRevision on ui_scale writes.
Remove synchronous highlight on the UI thread; debounce scheduling by 100ms and route all jobs through compute. Update editor tests to flush timers.
Replace material.Table with VirtualResultGrid using ListView.builder, fixed column widths, and lighter cell widgets for large query results.
Virtualize large PG/MySQL object lists via lazyConnectionTreeList, drop per-row TextPainter in tree labels, and build top-level panel with SliverList.
Menu overlay context unmounted before the second dialog, so New Database Connection stopped after Next.
Use ValueNotifier split panes, SqlWorkspaceSettingsRevision, connection-id panel slot, and FormValidityNotifier for connection dialogs.
Provide postgres, mysql, mongo, and redis with seed data for manual testing.
Shared snapshot diffing for stats views to skip setState when polled data is unchanged.
Use replaceIfChanged and hoist the version RegExp to avoid redundant rebuild work.
Reuse HighlighterPair instances instead of rebuilding on every createPair call.
Avoid allocating a RegExp on every preview line render.
Move cell string conversion off the UI thread for large result sets.
Avoid hover setState and defer pretty JSON encoding until expand.
Ellipsize trigger text inside bounded width to prevent horizontal overflow.
Use separated list builders for hash/list/set/zset rows and dispose TTL controller on close.
Query SHOW GLOBAL STATUS/VARIABLES and information_schema for the stats dashboard.
Replace the version-only stub with polled metrics cards and a databases table.
Align card grid layout with other engines and fix header/dropdown overflow.
Use equal-height metric cards, human-readable labels, and replaceIfChanged polling.
Use InkWell hoverColor and always-visible row actions instead of per-row rebuilds.
Use InkWell hoverColor for row highlights and stateless action buttons.
Satisfies unnecessary_string_interpolations analyzer rule in CI.
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ZhuchkaTriplesix
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Jul 27, 2026
perf(ui): reduce rebuilds and virtualize heavy surfaces (#93)
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Summary
setStatefrom Redis/Mongo explorer rows.docker/compose stack for dev databases (postgres, mysql, mongo, redis).Closes #93
Test plan
flutter test(385 tests)cd docker && docker compose up -d— connect to localhost services withquerya/querya