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Lakehouse Table Optimizer

blockdevops

Apache Iceberg and Delta Lake table maintenance manager, compaction optimizer, snapshot history visualizer, and time-travel SQL query helper.

Installation

$npx uipkge-ng@latest add lakehouse-table-optimizer
Manifest:https://uipkge.dev/r/angular/lakehouse-table-optimizer.jsonInstalls to:src/app/components/blocks/lakehouse-table-optimizer/

Variants

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Schema

Type aliases exported from this item's source. Use these to shape the data you pass in.

TableSnapshot
interface TableSnapshot {
  id: string
  numericId: string
  timestamp: string
  relativeTime: string
  operation: SnapshotOperation
  rowsAdded: string
  rowsDeleted: string
  author: string
  summary: string
  manifestFile: string
  filesAdded: number
  filesRemoved: number
  byteDelta: string
}
PartitionRecord
interface PartitionRecord {
  partitionKey: string
  fileCount: number
  avgFileSize: string
  totalSize: string
  skippedPercentage: number
  zOrderScore: string
  status: 'Optimized' | 'Compacting' | 'Needs Z-Order'
  lastClustered: string
}
TableDetails
interface TableDetails {
  name: string
  format: string
  totalSize: string
  rowCount: string
  statusText: string
  catalog: string
  storageLocation: string
  lastCompacted: string
  compressionCodec: string
}

Files installed (2)

  • src/app/components/blocks/lakehouse-table-optimizer/lakehouse-table-optimizer.component.ts54 kB
    // Apache Iceberg and Delta Lake table maintenance manager, compaction optimizer, snapshot
    // history visualizer, and time-travel SQL query helper. Port of the React block 1:1.
    import { ChangeDetectionStrategy, Component, Input, computed, signal } from '@angular/core'
    import {
      ArrowDownRight,
      Check,
      CheckCircle2,
      Clock,
      Copy,
      Database,
      FileCode2,
      FileText,
      FolderArchive,
      HardDrive,
      History,
      Layers,
      LucideAngularModule,
      RefreshCw,
      Search,
      Server,
      Terminal,
      Trash2,
      Workflow,
      Zap,
    } from 'lucide-angular'
    import { cn } from '@/lib/utils'
    import { UiBadgeComponent } from '@/ui/badge/badge.component'
    import { UiButtonComponent } from '@/ui/button/button.component'
    import {
      UiCardComponent,
      UiCardContentComponent,
      UiCardDescriptionComponent,
      UiCardHeaderComponent,
      UiCardTitleComponent,
    } from '@/ui/card/card.component'
    import { UiProgressComponent } from '@/ui/progress/progress.component'
    import { UiSeparatorComponent } from '@/ui/separator/separator.component'
    import {
      UiTableBodyComponent,
      UiTableCellComponent,
      UiTableComponent,
      UiTableHeadComponent,
      UiTableHeaderComponent,
      UiTableRowComponent,
    } from '@/ui/table/table.component'
    import { UiTabsComponent, UiTabsListComponent, UiTabsTriggerComponent } from '@/ui/tabs/tabs.component'
    
    export type SnapshotOperation = 'MERGE' | 'APPEND' | 'OPTIMIZE' | 'REPLACE_PARTITION'
    export type SqlSyntaxMode = 'system_time' | 'system_version' | 'pyspark' | 'trino'
    
    export interface TableSnapshot {
      id: string
      numericId: string
      timestamp: string
      relativeTime: string
      operation: SnapshotOperation
      rowsAdded: string
      rowsDeleted: string
      author: string
      summary: string
      manifestFile: string
      filesAdded: number
      filesRemoved: number
      byteDelta: string
    }
    
    export interface PartitionRecord {
      partitionKey: string
      fileCount: number
      avgFileSize: string
      totalSize: string
      skippedPercentage: number
      zOrderScore: string
      status: 'Optimized' | 'Compacting' | 'Needs Z-Order'
      lastClustered: string
    }
    
    export interface TableDetails {
      name: string
      format: string
      totalSize: string
      rowCount: string
      statusText: string
      catalog: string
      storageLocation: string
      lastCompacted: string
      compressionCodec: string
    }
    
    const defaultTable: TableDetails = {
      name: 'lakehouse.silver_customer_events',
      format: 'Apache Iceberg v2 · Parquet',
      totalSize: '4.2 TB',
      rowCount: '1.48B Rows',
      statusText: 'Table Optimized · 0 Small Files',
      catalog: 'AWS Glue Data Catalog (us-east-1)',
      storageLocation: 's3://lakehouse-data-prod/silver/customer_events/',
      lastCompacted: '28 mins ago',
      compressionCodec: 'ZSTD (Level 7)',
    }
    
    const defaultSnapshots: TableSnapshot[] = [
      {
        id: 'snap_84920194821',
        numericId: '84920194821',
        timestamp: '2026-08-21 09:30:00 UTC',
        relativeTime: '12 mins ago',
        operation: 'MERGE',
        rowsAdded: '+142,500',
        rowsDeleted: '-18,200',
        author: 'spark-streaming-pipeline',
        summary: "Upserted late-arriving customer clickstream events from Kafka topic 'customer.events.prod'",
        manifestFile: 'snap-84920194821-1-m0.avro',
        filesAdded: 4,
        filesRemoved: 3,
        byteDelta: '+128 MB',
      },
      {
        id: 'snap_84920183104',
        numericId: '84920183104',
        timestamp: '2026-08-21 08:00:00 UTC',
        relativeTime: '1 hour ago',
        operation: 'OPTIMIZE',
        rowsAdded: '+0',
        rowsDeleted: '-0',
        author: 'iceberg-compactor-daemon',
        summary: 'Bin-pack compaction rewrote 4,210 small files into 42 optimal 128MB Parquet data files',
        manifestFile: 'snap-84920183104-1-m0.avro',
        filesAdded: 42,
        filesRemoved: 4210,
        byteDelta: '-4.1 GB (compaction gain)',
      },
      {
        id: 'snap_84920152918',
        numericId: '84920152918',
        timestamp: '2026-08-21 06:15:00 UTC',
        relativeTime: '3 hours ago',
        operation: 'APPEND',
        rowsAdded: '+890,200',
        rowsDeleted: '-0',
        author: 'batch-ingest-hourly',
        summary: 'Micro-batch append for EMEA checkout and cart telemetry session events',
        manifestFile: 'snap-84920152918-1-m0.avro',
        filesAdded: 18,
        filesRemoved: 0,
        byteDelta: '+2.2 GB',
      },
      {
        id: 'snap_84920120195',
        numericId: '84920120195',
        timestamp: '2026-08-20 23:45:00 UTC',
        relativeTime: '9 hours ago',
        operation: 'REPLACE_PARTITION',
        rowsAdded: '+3,410,000',
        rowsDeleted: '-3,398,000',
        author: 'dbt-backfill-runner',
        summary: "Replaced partition 'event_date=2026-08-20' following upstream IP geolocation schema enrichment",
        manifestFile: 'snap-84920120195-1-m0.avro',
        filesAdded: 28,
        filesRemoved: 28,
        byteDelta: '+140 MB',
      },
      {
        id: 'snap_84919984120',
        numericId: '84919984120',
        timestamp: '2026-08-20 18:30:00 UTC',
        relativeTime: '15 hours ago',
        operation: 'APPEND',
        rowsAdded: '+1,205,400',
        rowsDeleted: '-0',
        author: 'batch-ingest-hourly',
        summary: 'Hourly ingestion run for US-East customer checkout telemetry records',
        manifestFile: 'snap-84919984120-1-m0.avro',
        filesAdded: 24,
        filesRemoved: 0,
        byteDelta: '+3.1 GB',
      },
    ]
    
    const defaultPartitions: PartitionRecord[] = [
      {
        partitionKey: 'event_date=2026-08-21',
        fileCount: 42,
        avgFileSize: '128.2 MB',
        totalSize: '5.38 GB',
        skippedPercentage: 98.4,
        zOrderScore: '98.4%',
        status: 'Optimized',
        lastClustered: '28m ago',
      },
      {
        partitionKey: 'event_date=2026-08-20',
        fileCount: 40,
        avgFileSize: '127.9 MB',
        totalSize: '5.12 GB',
        skippedPercentage: 97.8,
        zOrderScore: '97.8%',
        status: 'Optimized',
        lastClustered: '9h ago',
      },
      {
        partitionKey: 'event_date=2026-08-19',
        fileCount: 38,
        avgFileSize: '128.0 MB',
        totalSize: '4.86 GB',
        skippedPercentage: 96.9,
        zOrderScore: '96.9%',
        status: 'Optimized',
        lastClustered: '1d ago',
      },
      {
        partitionKey: 'event_date=2026-08-18',
        fileCount: 44,
        avgFileSize: '126.8 MB',
        totalSize: '5.58 GB',
        skippedPercentage: 95.8,
        zOrderScore: '95.8%',
        status: 'Optimized',
        lastClustered: '2d ago',
      },
      {
        partitionKey: 'event_date=2026-08-17',
        fileCount: 36,
        avgFileSize: '128.5 MB',
        totalSize: '4.62 GB',
        skippedPercentage: 97.1,
        zOrderScore: '97.1%',
        status: 'Optimized',
        lastClustered: '3d ago',
      },
      {
        partitionKey: 'event_date=2026-08-16',
        fileCount: 39,
        avgFileSize: '127.4 MB',
        totalSize: '4.97 GB',
        skippedPercentage: 96.5,
        zOrderScore: '96.5%',
        status: 'Optimized',
        lastClustered: '4d ago',
      },
    ]
    
    const snapshotOps = ['ALL', 'MERGE', 'OPTIMIZE', 'APPEND', 'REPLACE_PARTITION'] as const
    
    @Component({
      changeDetection: ChangeDetectionStrategy.Eager,
      selector: 'ui-lakehouse-table-optimizer, [ui-lakehouse-table-optimizer]',
      standalone: true,
      // React renders the root <div> itself: the host stays out of layout and `class` goes to the root.
      host: { '[attr.class]': '"contents"' },
      imports: [
        LucideAngularModule,
        UiBadgeComponent,
        UiButtonComponent,
        UiCardComponent,
        UiCardContentComponent,
        UiCardDescriptionComponent,
        UiCardHeaderComponent,
        UiCardTitleComponent,
        UiProgressComponent,
        UiSeparatorComponent,
        UiTableComponent,
        UiTableBodyComponent,
        UiTableCellComponent,
        UiTableHeadComponent,
        UiTableHeaderComponent,
        UiTableRowComponent,
        UiTabsComponent,
        UiTabsListComponent,
        UiTabsTriggerComponent,
      ],
      template: `
        <div data-slot="lakehouse-table-optimizer" [class]="rootClass">
          <!-- Header Section -->
          <div class="border-border bg-card rounded-xl border p-5 shadow-xs sm:p-6">
            <div class="flex flex-col gap-5 lg:flex-row lg:items-center lg:justify-between">
              <div class="flex items-start gap-4">
                <div
                  class="border-primary/20 bg-primary/10 text-primary flex size-11 shrink-0 items-center justify-center rounded-lg border shadow-xs"
                >
                  <lucide-icon [img]="Database" class="size-6" />
                </div>
                <div class="space-y-2">
                  <div class="flex flex-wrap items-center gap-2">
                    <h1 class="text-foreground font-mono text-lg font-bold tracking-tight break-all sm:text-xl">
                      {{ table().name }}
                    </h1>
                    <span ui-badge variant="success" class="gap-1.5 font-medium">
                      <span class="bg-success size-1.5 animate-pulse rounded-full"></span>
                      {{ table().statusText }}
                    </span>
                  </div>
                  <div class="text-muted-foreground flex flex-wrap items-center gap-2 text-xs">
                    <span ui-badge variant="outline" class="gap-1 font-mono">
                      <lucide-icon [img]="Layers" class="text-muted-foreground size-3" />
                      {{ table().format }}
                    </span>
                    <span ui-badge variant="secondary" class="gap-1 font-mono font-medium">
                      <lucide-icon [img]="HardDrive" class="text-muted-foreground size-3" />
                      {{ table().totalSize }} · {{ table().rowCount }}
                    </span>
                    <span class="hidden items-center gap-1 sm:inline-flex">
                      <lucide-icon [img]="Server" class="size-3" />
                      {{ table().catalog }}
                    </span>
                  </div>
                </div>
              </div>
    
              <div class="flex flex-wrap items-center gap-2.5">
                <button
                  ui-button
                  variant="outline"
                  size="sm"
                  class="h-9 gap-1.5 shadow-xs"
                  [disabled]="isExpiring()"
                  (click)="expireSnapshots()"
                >
                  @if (!isExpiring()) {
                    <lucide-icon [img]="Clock" class="text-muted-foreground size-3.5" />
                  } @else {
                    <lucide-icon [img]="RefreshCw" class="text-muted-foreground size-3.5 animate-spin" />
                  }
                  <span>{{ isExpiring() ? 'Expiring Stale...' : 'Expire Snapshots' }}</span>
                </button>
                <button
                  ui-button
                  variant="default"
                  size="sm"
                  class="h-9 gap-1.5 shadow-xs"
                  [disabled]="isCompacting()"
                  (click)="runCompaction()"
                >
                  @if (!isCompacting()) {
                    <lucide-icon [img]="Zap" class="size-3.5" />
                  } @else {
                    <lucide-icon [img]="RefreshCw" class="size-3.5 animate-spin" />
                  }
                  <span>{{ isCompacting() ? 'Compacting Table...' : 'Run Compaction & Vacuum' }}</span>
                </button>
              </div>
            </div>
    
            @if (actionNotification()) {
              <div
                class="border-success/20 bg-success/10 text-success mt-4 flex items-center justify-between rounded-lg border p-3 text-xs"
              >
                <div class="flex items-center gap-2">
                  <lucide-icon [img]="CheckCircle2" class="text-success size-4 shrink-0" />
                  <span>{{ actionNotification() }}</span>
                </div>
                <button
                  type="button"
                  class="text-success/70 hover:bg-success/20 hover:text-success rounded p-1"
                  (click)="actionNotification.set(null)"
                >
                  <span class="sr-only">Dismiss</span>
                  &times;
                </button>
              </div>
            }
          </div>
    
          <!-- 4 Table Health & Storage Telemetry Cards -->
          <div class="grid grid-cols-1 gap-4 sm:grid-cols-2 lg:grid-cols-4">
            <div ui-card class="border-border bg-card shadow-xs">
              <div ui-card-header class="flex flex-row items-center justify-between space-y-0 pb-2">
                <h3 ui-card-title class="text-muted-foreground text-xs font-semibold tracking-wider uppercase">
                  Total Partitions
                </h3>
                <div
                  class="border-border bg-muted/50 text-muted-foreground flex size-7 items-center justify-center rounded-md border"
                >
                  <lucide-icon [img]="FolderArchive" class="size-3.5" />
                </div>
              </div>
              <div ui-card-content class="space-y-2">
                <div class="flex flex-wrap items-baseline justify-between gap-2">
                  <div class="text-foreground font-mono text-2xl font-bold tracking-tight tabular-nums">1,420</div>
                  <span ui-badge variant="success" class="text-xs">100% Healthy</span>
                </div>
                <p class="text-muted-foreground text-xs">1,420 Partitions · Date Partitioned</p>
                <div class="space-y-1 pt-1">
                  <ui-progress [value]="100" class="bg-muted h-1.5" />
                  <div class="text-muted-foreground flex justify-between text-xs">
                    <span>event_date (YYYY-MM-DD)</span>
                    <span class="font-mono tabular-nums">0 unpartitioned</span>
                  </div>
                </div>
              </div>
            </div>
    
            <div ui-card class="border-border bg-card shadow-xs">
              <div ui-card-header class="flex flex-row items-center justify-between space-y-0 pb-2">
                <h3 ui-card-title class="text-muted-foreground text-xs font-semibold tracking-wider uppercase">
                  Small Files Neutralized
                </h3>
                <div
                  class="border-border bg-muted/50 text-muted-foreground flex size-7 items-center justify-center rounded-md border"
                >
                  <lucide-icon [img]="HardDrive" class="size-3.5" />
                </div>
              </div>
              <div ui-card-content class="space-y-2">
                <div class="flex flex-wrap items-baseline justify-between gap-2">
                  <div class="text-foreground font-mono text-2xl font-bold tracking-tight tabular-nums">14,280</div>
                  <span ui-badge variant="success" class="font-mono text-xs">99.0% Reduction</span>
                </div>
                <p class="text-muted-foreground text-xs">14,280 small files compacted -> 142 optimal 128MB files</p>
                <div class="space-y-1 pt-1">
                  <ui-progress [value]="99" class="bg-muted h-1.5" />
                  <div class="text-muted-foreground flex justify-between text-xs">
                    <span>Target: 128 MB</span>
                    <span class="font-mono tabular-nums">0 files &lt;32MB</span>
                  </div>
                </div>
              </div>
            </div>
    
            <div ui-card class="border-border bg-card shadow-xs">
              <div ui-card-header class="flex flex-row items-center justify-between space-y-0 pb-2">
                <h3 ui-card-title class="text-muted-foreground text-xs font-semibold tracking-wider uppercase">
                  Snapshot History
                </h3>
                <div
                  class="border-border bg-muted/50 text-muted-foreground flex size-7 items-center justify-center rounded-md border"
                >
                  <lucide-icon [img]="History" class="size-3.5" />
                </div>
              </div>
              <div ui-card-content class="space-y-2">
                <div class="flex flex-wrap items-baseline justify-between gap-2">
                  <div class="text-foreground font-mono text-2xl font-bold tracking-tight tabular-nums">48</div>
                  <span ui-badge variant="info" class="font-mono text-xs">30-Day Window</span>
                </div>
                <p class="text-muted-foreground text-xs">48 Active Snapshots · 30-Day Time Travel</p>
                <div class="space-y-1 pt-1">
                  <ui-progress [value]="64" class="bg-muted h-1.5" />
                  <div class="text-muted-foreground flex justify-between text-xs">
                    <span>Oldest: Jul 22, 2026</span>
                    <span class="font-mono tabular-nums">4.8 MB metadata</span>
                  </div>
                </div>
              </div>
            </div>
    
            <div ui-card class="border-border bg-card shadow-xs">
              <div ui-card-header class="flex flex-row items-center justify-between space-y-0 pb-2">
                <h3 ui-card-title class="text-muted-foreground text-xs font-semibold tracking-wider uppercase">
                  Storage Optimization
                </h3>
                <div
                  class="border-border bg-muted/50 text-muted-foreground flex size-7 items-center justify-center rounded-md border"
                >
                  <lucide-icon [img]="Zap" class="size-3.5" />
                </div>
              </div>
              <div ui-card-content class="space-y-2">
                <div class="flex flex-wrap items-baseline justify-between gap-2">
                  <div class="text-foreground font-mono text-2xl font-bold tracking-tight tabular-nums">1.2 TB</div>
                  <span ui-badge variant="success" class="font-mono text-xs">$240/mo Saved</span>
                </div>
                <p class="text-muted-foreground text-xs">1.2 TB freed via Vacuum · $240/mo saved</p>
                <div class="space-y-1 pt-1">
                  <ui-progress [value]="85" class="bg-muted h-1.5" />
                  <div class="text-muted-foreground flex justify-between text-xs">
                    <span>872 GB stale · 328 GB orphan</span>
                    <span class="font-mono tabular-nums">-28.5% S3 Cost</span>
                  </div>
                </div>
              </div>
            </div>
          </div>
    
          <!-- Main Lakehouse Inspection & Control Tabs -->
          <ui-tabs [value]="activeTab()" (valueChange)="setActiveTab($event)" class="w-full space-y-5">
            <ui-tabs-list class="grid w-full grid-cols-2 md:grid-cols-4">
              <button ui-tabs-trigger value="snapshots" class="gap-1.5 text-xs font-medium">
                <lucide-icon [img]="History" class="size-3.5" />
                <span>Snapshots & Time-Travel</span>
              </button>
              <button ui-tabs-trigger value="partitions" class="gap-1.5 text-xs font-medium">
                <lucide-icon [img]="Layers" class="size-3.5" />
                <span>Partitions & Z-Ordering</span>
              </button>
              <button ui-tabs-trigger value="maintenance" class="gap-1.5 text-xs font-medium">
                <lucide-icon [img]="Zap" class="size-3.5" />
                <span>Compaction & Vacuum</span>
              </button>
              <button ui-tabs-trigger value="files" class="gap-1.5 text-xs font-medium">
                <lucide-icon [img]="HardDrive" class="size-3.5" />
                <span>File Sizing & Distribution</span>
              </button>
            </ui-tabs-list>
    
            @if (activeTab() === 'snapshots') {
              <div class="space-y-5">
                <div class="grid grid-cols-1 gap-6 lg:grid-cols-12">
                  <div class="space-y-4 lg:col-span-7">
                    <div ui-card class="border-border bg-card shadow-xs">
                      <div ui-card-header class="p-4 pb-3 sm:p-5 sm:pb-3">
                        <div class="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
                          <div>
                            <h3 ui-card-title class="text-sm font-semibold sm:text-base">Snapshot Commit History</h3>
                            <p ui-card-description class="text-xs">
                              Select any snapshot to generate reproducible time-travel queries
                            </p>
                          </div>
                          <div class="flex flex-wrap items-center gap-1">
                            @for (op of snapshotOps; track op) {
                              <button type="button" [class]="opPillClass(op)" (click)="snapshotFilter.set(op)">
                                {{ op }}
                              </button>
                            }
                          </div>
                        </div>
                        <div class="relative pt-2">
                          <lucide-icon [img]="Search" class="text-muted-foreground absolute top-5 left-2.5 size-3.5" />
                          <input
                            [value]="snapshotSearch()"
                            (input)="snapshotSearch.set($any($event.target).value)"
                            type="text"
                            placeholder="Search snapshot ID, author, summary..."
                            class="border-border bg-background text-foreground placeholder:text-muted-foreground focus-visible:ring-ring w-full rounded-md border py-1.5 pr-3 pl-8 text-xs focus-visible:ring-2 focus-visible:outline-none"
                          />
                        </div>
                      </div>
    
                      <ui-separator />
    
                      <div ui-card-content class="p-4 sm:p-5">
                        <div
                          class="before:bg-border relative space-y-4 before:absolute before:top-3 before:bottom-3 before:left-[17px] before:w-0.5"
                        >
                          @for (snap of filteredSnapshots(); track snap.id) {
                            <div
                              role="button"
                              tabindex="0"
                              [class]="snapshotCardClass(snap.id)"
                              (click)="selectSnapshot(snap.id)"
                              (keydown.enter)="selectSnapshot(snap.id)"
                              (keydown.space)="selectSnapshotKey($event, snap.id)"
                            >
                              <div
                                class="border-border bg-card text-foreground group-hover:border-primary/50 relative z-10 flex size-9 shrink-0 items-center justify-center rounded-full border shadow-xs"
                              >
                                @switch (snap.operation) {
                                  @case ('MERGE') {
                                    <lucide-icon [img]="History" class="text-info size-4" />
                                  }
                                  @case ('OPTIMIZE') {
                                    <lucide-icon [img]="Zap" class="text-success size-4" />
                                  }
                                  @case ('APPEND') {
                                    <lucide-icon [img]="ArrowDownRight" class="text-chart-1 size-4" />
                                  }
                                  @default {
                                    <lucide-icon [img]="RefreshCw" class="text-warning size-4" />
                                  }
                                }
                              </div>
                              <div class="min-w-0 flex-1 space-y-2">
                                <div class="flex flex-wrap items-center justify-between gap-2">
                                  <div class="flex flex-wrap items-center gap-2">
                                    <span class="text-foreground font-mono text-xs font-bold">{{ snap.id }}</span>
                                    <span
                                      ui-badge
                                      [variant]="operationBadgeVariant(snap.operation)"
                                      class="font-mono text-xs"
                                    >
                                      {{ snap.operation }}
                                    </span>
                                    @if (selectedSnapshotId() === snap.id) {
                                      <span ui-badge variant="default" class="text-xs">Active Time-Travel Target</span>
                                    }
                                  </div>
                                  <span class="text-muted-foreground font-mono text-xs tabular-nums">{{
                                    snap.relativeTime
                                  }}</span>
                                </div>
                                <p class="text-muted-foreground text-xs">{{ snap.summary }}</p>
                                <div class="flex flex-wrap items-center gap-3 pt-1 text-xs">
                                  <div class="text-muted-foreground flex items-center gap-1 font-mono">
                                    <span class="text-success font-semibold">{{ snap.rowsAdded }}</span>
                                    <span>/</span>
                                    <span class="text-destructive font-semibold">{{ snap.rowsDeleted }} rows</span>
                                  </div>
                                  <div class="text-muted-foreground flex items-center gap-1 font-mono">
                                    <lucide-icon [img]="FileCode2" class="text-muted-foreground size-3" />
                                    <span>{{ snap.byteDelta }}</span>
                                  </div>
                                  <div class="text-muted-foreground flex items-center gap-1 font-mono">
                                    <span>Author:</span>
                                    <span class="text-foreground font-medium">{{ snap.author }}</span>
                                  </div>
                                </div>
                              </div>
                            </div>
                          }
                        </div>
                      </div>
                    </div>
                  </div>
    
                  <div class="space-y-4 lg:col-span-5">
                    <div ui-card class="border-border bg-card shadow-xs">
                      <div ui-card-header class="p-4 pb-3 sm:p-5 sm:pb-3">
                        <div class="flex items-center justify-between">
                          <div class="space-y-1">
                            <h3 ui-card-title class="text-sm font-semibold sm:text-base">Time-Travel Query Picker</h3>
                            <p ui-card-description class="text-xs">
                              Instant query generator for snapshot audit & reconciliation
                            </p>
                          </div>
                          <span ui-badge variant="outline" class="font-mono text-xs">{{
                            selectedSnapshot().numericId
                          }}</span>
                        </div>
                        <div class="grid grid-cols-2 gap-1 pt-3 sm:grid-cols-4">
                          <button
                            type="button"
                            [class]="syntaxClass('system_time')"
                            (click)="sqlSyntaxMode.set('system_time')"
                          >
                            SYSTEM_TIME
                          </button>
                          <button
                            type="button"
                            [class]="syntaxClass('system_version')"
                            (click)="sqlSyntaxMode.set('system_version')"
                          >
                            VERSION
                          </button>
                          <button type="button" [class]="syntaxClass('pyspark')" (click)="sqlSyntaxMode.set('pyspark')">
                            PySpark
                          </button>
                          <button type="button" [class]="syntaxClass('trino')" (click)="sqlSyntaxMode.set('trino')">
                            Trino SQL
                          </button>
                        </div>
                      </div>
    
                      <ui-separator />
    
                      <div ui-card-content class="space-y-4 p-4 sm:p-5">
                        <div class="border-border bg-muted/40 space-y-1.5 rounded-lg border p-3 text-xs">
                          <div class="text-muted-foreground flex items-center justify-between">
                            <span>Target Snapshot:</span>
                            <span class="text-foreground font-mono font-semibold">{{ selectedSnapshot().id }}</span>
                          </div>
                          <div class="text-muted-foreground flex items-center justify-between">
                            <span>Point-in-Time:</span>
                            <span class="text-foreground font-mono">{{ selectedSnapshot().timestamp }}</span>
                          </div>
                          <div class="text-muted-foreground flex items-center justify-between">
                            <span>Commit Operation:</span>
                            <span
                              ui-badge
                              [variant]="operationBadgeVariant(selectedSnapshot().operation)"
                              class="font-mono text-xs"
                            >
                              {{ selectedSnapshot().operation }}
                            </span>
                          </div>
                        </div>
    
                        <div class="border-border bg-muted/70 relative overflow-hidden rounded-lg border font-mono">
                          <div
                            class="border-border bg-muted/90 text-muted-foreground flex items-center justify-between border-b px-3 py-2 text-xs"
                          >
                            <span class="text-foreground flex items-center gap-1.5 font-semibold">
                              <lucide-icon [img]="Terminal" class="text-primary size-3.5" />
                              Query table as of snapshot:
                            </span>
                            <button
                              ui-button
                              variant="ghost"
                              size="sm"
                              class="hover:bg-background hover:text-foreground h-7 gap-1 px-2 text-xs"
                              (click)="handleCopyQuery()"
                            >
                              @if (copiedQuery()) {
                                <lucide-icon [img]="Check" class="text-success size-3.5" />
                              } @else {
                                <lucide-icon [img]="Copy" class="text-muted-foreground size-3.5" />
                              }
                              <span>{{ copiedQuery() ? 'Copied' : 'Copy' }}</span>
                            </button>
                          </div>
                          <pre
                            class="text-foreground overflow-x-auto p-3 text-xs leading-relaxed"
                          ><code>{{ generatedQuery() }}</code></pre>
                        </div>
    
                        <div class="border-border bg-card space-y-2 rounded-lg border p-3 text-xs">
                          <div class="text-muted-foreground flex items-center justify-between">
                            <span>Estimated Scan Overhead:</span>
                            <span class="text-success font-mono font-semibold">42ms · 96.4% skipped</span>
                          </div>
                          <div class="text-muted-foreground flex items-center justify-between">
                            <span>Manifest Avro File:</span>
                            <span class="text-foreground font-mono text-xs">{{ selectedSnapshot().manifestFile }}</span>
                          </div>
                          <div class="text-muted-foreground flex items-center justify-between">
                            <span>Storage Engine:</span>
                            <span class="text-foreground">Apache Iceberg Native Parquet Reader</span>
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            }
    
            @if (activeTab() === 'partitions') {
              <div class="space-y-5">
                <div ui-card class="border-border bg-card shadow-xs">
                  <div ui-card-header class="p-5 pb-4">
                    <div class="flex flex-col gap-3 md:flex-row md:items-center md:justify-between">
                      <div>
                        <h3 ui-card-title class="flex items-center gap-2 text-base font-semibold">
                          <lucide-icon [img]="Workflow" class="text-primary size-4" />
                          Partition Health & Multidimensional Z-Order Clustering
                        </h3>
                        <p ui-card-description class="text-xs">
                          Z-Order clustered by customer_id, event_type to maximize Parquet min/max statistics pruning.
                        </p>
                      </div>
                      <div class="relative w-full md:w-64">
                        <lucide-icon [img]="Search" class="text-muted-foreground absolute top-2.5 left-2.5 size-3.5" />
                        <input
                          [value]="partitionSearch()"
                          (input)="partitionSearch.set($any($event.target).value)"
                          type="text"
                          placeholder="Filter partitions..."
                          class="border-border bg-background text-foreground placeholder:text-muted-foreground focus-visible:ring-ring w-full rounded-md border py-1.5 pr-3 pl-8 text-xs focus-visible:ring-2 focus-visible:outline-none"
                        />
                      </div>
                    </div>
                    <div
                      class="border-border bg-muted/30 mt-4 grid grid-cols-1 gap-3 rounded-lg border p-3 text-xs sm:grid-cols-2 lg:grid-cols-4"
                    >
                      <div>
                        <span class="text-muted-foreground">Clustered Columns:</span>
                        <div class="text-foreground font-mono font-semibold">customer_id, event_type</div>
                      </div>
                      <div>
                        <span class="text-muted-foreground">Data Skipping Efficiency:</span>
                        <div class="text-success font-mono font-semibold">96.4% Row-Groups Skipped</div>
                      </div>
                      <div>
                        <span class="text-muted-foreground">Clustering Curve Algorithm:</span>
                        <div class="text-foreground font-mono font-semibold">Hilbert Space-Filling (Depth 16)</div>
                      </div>
                      <div>
                        <span class="text-muted-foreground">Compression Codec:</span>
                        <div class="text-foreground font-mono font-semibold">ZSTD Level 7 · Parquet v2</div>
                      </div>
                    </div>
                  </div>
    
                  <ui-separator />
    
                  <div ui-card-content class="p-0">
                    <div class="overflow-x-auto">
                      <table ui-table>
                        <thead ui-table-header>
                          <tr ui-table-row class="hover:bg-transparent">
                            <th ui-table-head class="text-xs">Partition Key</th>
                            <th ui-table-head class="text-xs">File Count</th>
                            <th ui-table-head class="text-xs">Avg File Size</th>
                            <th ui-table-head class="text-xs">Total Data Size</th>
                            <th ui-table-head class="text-xs">Data Skipping</th>
                            <th ui-table-head class="text-xs">Z-Order Status</th>
                            <th ui-table-head class="text-right text-xs">Action</th>
                          </tr>
                        </thead>
                        <tbody ui-table-body>
                          @for (partition of filteredPartitions(); track partition.partitionKey) {
                            <tr ui-table-row class="hover:bg-muted/50">
                              <td ui-table-cell class="text-foreground font-mono text-xs font-semibold">
                                {{ partition.partitionKey }}
                              </td>
                              <td ui-table-cell class="font-mono text-xs tabular-nums">{{ partition.fileCount }} files</td>
                              <td ui-table-cell class="font-mono text-xs tabular-nums">{{ partition.avgFileSize }}</td>
                              <td ui-table-cell class="font-mono text-xs tabular-nums">{{ partition.totalSize }}</td>
                              <td ui-table-cell>
                                <div class="w-32 space-y-1">
                                  <div class="text-muted-foreground flex justify-between font-mono text-xs tabular-nums">
                                    <span>{{ partition.skippedPercentage }}%</span>
                                  </div>
                                  <ui-progress [value]="partition.skippedPercentage" class="bg-muted h-1.5" />
                                </div>
                              </td>
                              <td ui-table-cell>
                                <span ui-badge variant="success" class="gap-1 font-mono text-xs">
                                  <lucide-icon [img]="CheckCircle2" class="size-3" />
                                  {{ partition.status }}
                                </span>
                              </td>
                              <td ui-table-cell class="text-right">
                                <button ui-button variant="ghost" size="sm" class="h-7 text-xs font-medium">
                                  Re-cluster
                                </button>
                              </td>
                            </tr>
                          }
                        </tbody>
                      </table>
                    </div>
                  </div>
                </div>
              </div>
            }
    
            @if (activeTab() === 'maintenance') {
              <div class="space-y-5">
                <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
                  <div ui-card class="border-border bg-card shadow-xs">
                    <div ui-card-header class="p-4 pb-2 sm:p-5 sm:pb-2">
                      <div class="flex items-center justify-between">
                        <h3 ui-card-title class="flex items-center gap-2 text-sm font-semibold">
                          <lucide-icon [img]="Database" class="text-success size-4" />
                          Bin-Pack Data File Compaction
                        </h3>
                        <span ui-badge variant="success" class="text-xs">Enabled · Auto</span>
                      </div>
                      <p ui-card-description class="text-xs">
                        Merges small files into optimized 128MB Parquet chunks to prevent small file bottleneck
                      </p>
                    </div>
                    <div ui-card-content class="space-y-3 p-4 pt-3 text-xs sm:p-5">
                      <div class="border-border bg-muted/40 space-y-2 rounded-lg border p-3">
                        <div class="text-muted-foreground flex justify-between">
                          <span>Target File Size:</span>
                          <span class="text-foreground font-mono font-semibold">128 MB</span>
                        </div>
                        <div class="text-muted-foreground flex justify-between">
                          <span>Small File Threshold:</span>
                          <span class="text-foreground font-mono font-semibold">&lt; 32 MB</span>
                        </div>
                        <div class="text-muted-foreground flex justify-between">
                          <span>Execution Schedule:</span>
                          <span class="text-foreground font-mono">Every 2 Hours (cron: 0 */2 * * *)</span>
                        </div>
                        <div class="text-muted-foreground flex justify-between">
                          <span>Engine:</span>
                          <span class="text-foreground">Apache Spark Iceberg RewriteDataFiles Action</span>
                        </div>
                      </div>
                    </div>
                  </div>
    
                  <div ui-card class="border-border bg-card shadow-xs">
                    <div ui-card-header class="p-4 pb-2 sm:p-5 sm:pb-2">
                      <div class="flex items-center justify-between">
                        <h3 ui-card-title class="flex items-center gap-2 text-sm font-semibold">
                          <lucide-icon [img]="Trash2" class="text-destructive size-4" />
                          Vacuum & Orphan File Purger
                        </h3>
                        <span ui-badge variant="success" class="text-xs">Enabled · Daily</span>
                      </div>
                      <p ui-card-description class="text-xs">
                        Hard-deletes unreferenced data files and uncommitted multi-part upload orphans in S3
                      </p>
                    </div>
                    <div ui-card-content class="space-y-3 p-4 pt-3 text-xs sm:p-5">
                      <div class="border-border bg-muted/40 space-y-2 rounded-lg border p-3">
                        <div class="text-muted-foreground flex justify-between">
                          <span>Retention Grace Period:</span>
                          <span class="text-foreground font-mono font-semibold">7 Days (168 Hours)</span>
                        </div>
                        <div class="text-muted-foreground flex justify-between">
                          <span>Storage Reclaimed (30d):</span>
                          <span class="text-success font-mono font-semibold">1.2 TB freed</span>
                        </div>
                        <div class="text-muted-foreground flex justify-between">
                          <span>Execution Schedule:</span>
                          <span class="text-foreground font-mono">Daily at 02:00 UTC</span>
                        </div>
                        <div class="text-muted-foreground flex justify-between">
                          <span>Safety Guard:</span>
                          <span class="text-foreground">Explicit dry-run verification check</span>
                        </div>
                      </div>
                    </div>
                  </div>
    
                  <div ui-card class="border-border bg-card shadow-xs">
                    <div ui-card-header class="p-4 pb-2 sm:p-5 sm:pb-2">
                      <div class="flex items-center justify-between">
                        <h3 ui-card-title class="flex items-center gap-2 text-sm font-semibold">
                          <lucide-icon [img]="Clock" class="text-info size-4" />
                          Snapshot Expiration Policy
                        </h3>
                        <span ui-badge variant="info" class="text-xs">30-Day Window</span>
                      </div>
                      <p ui-card-description class="text-xs">
                        Controls metadata table history retention for time-travel queries and rollback safety
                      </p>
                    </div>
                    <div ui-card-content class="space-y-3 p-4 pt-3 text-xs sm:p-5">
                      <div class="border-border bg-muted/40 space-y-2 rounded-lg border p-3">
                        <div class="text-muted-foreground flex justify-between">
                          <span>Retention Window:</span>
                          <span class="text-foreground font-mono font-semibold">30 Days</span>
                        </div>
                        <div class="text-muted-foreground flex justify-between">
                          <span>Min Snapshots Retained:</span>
                          <span class="text-foreground font-mono font-semibold">20 Snapshots</span>
                        </div>
                        <div class="text-muted-foreground flex justify-between">
                          <span>Clean Expired Metadata:</span>
                          <span class="text-foreground font-mono">Yes (Purge orphan Avro manifests)</span>
                        </div>
                      </div>
                    </div>
                  </div>
    
                  <div ui-card class="border-border bg-card shadow-xs">
                    <div ui-card-header class="p-4 pb-2 sm:p-5 sm:pb-2">
                      <div class="flex items-center justify-between">
                        <h3 ui-card-title class="flex items-center gap-2 text-sm font-semibold">
                          <lucide-icon [img]="FileText" class="text-chart-1 size-4" />
                          Manifest File Consolidation
                        </h3>
                        <span ui-badge variant="success" class="text-xs">Optimized</span>
                      </div>
                      <p ui-card-description class="text-xs">
                        Rewrites small manifest files to accelerate query planning and metadata scanning
                      </p>
                    </div>
                    <div ui-card-content class="space-y-3 p-4 pt-3 text-xs sm:p-5">
                      <div class="border-border bg-muted/40 space-y-2 rounded-lg border p-3">
                        <div class="text-muted-foreground flex justify-between">
                          <span>Active Manifest Count:</span>
                          <span class="text-foreground font-mono font-semibold">6 Manifests</span>
                        </div>
                        <div class="text-muted-foreground flex justify-between">
                          <span>Rewrite Trigger Threshold:</span>
                          <span class="text-foreground font-mono">&gt; 50 Small Manifests</span>
                        </div>
                        <div class="text-muted-foreground flex justify-between">
                          <span>Query Planning Overhead:</span>
                          <span class="text-success font-mono font-semibold">&lt; 15ms</span>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            }
    
            @if (activeTab() === 'files') {
              <div class="space-y-5">
                <div ui-card class="border-border bg-card shadow-xs">
                  <div ui-card-header class="p-5 pb-3">
                    <h3 ui-card-title class="text-base font-semibold">
                      File Size Distribution & I/O Amplification Analysis
                    </h3>
                    <p ui-card-description class="text-xs">
                      Comparison of storage layout before vs. after Iceberg automatic compaction
                    </p>
                  </div>
                  <ui-separator />
                  <div ui-card-content class="space-y-6 p-5">
                    <div class="grid grid-cols-1 gap-6 md:grid-cols-2">
                      <div class="border-border bg-muted/20 space-y-3 rounded-xl border p-4">
                        <div class="flex items-center justify-between">
                          <span class="text-destructive text-xs font-semibold">Before Compaction (Small File Problem)</span>
                          <span ui-badge variant="destructive" class="font-mono text-xs">18.4x I/O Amplification</span>
                        </div>
                        <div class="space-y-2 text-xs">
                          <div class="text-muted-foreground flex justify-between">
                            <span>Total Small Files (&lt;4MB):</span>
                            <span class="text-foreground font-mono font-bold">14,280 Files</span>
                          </div>
                          <div class="text-muted-foreground flex justify-between">
                            <span>Average File Size:</span>
                            <span class="text-foreground font-mono">2.4 MB</span>
                          </div>
                          <div class="text-muted-foreground flex justify-between">
                            <span>Query Scan Latency (P95):</span>
                            <span class="text-destructive font-mono font-semibold">8.4 seconds</span>
                          </div>
                          <div class="text-muted-foreground flex justify-between">
                            <span>S3 GET Request Cost:</span>
                            <span class="text-foreground font-mono">$380 / month</span>
                          </div>
                        </div>
                      </div>
                      <div class="border-success/30 bg-success/[0.03] space-y-3 rounded-xl border p-4">
                        <div class="flex items-center justify-between">
                          <span class="text-success text-xs font-semibold">After Compaction (Optimal Bin-Pack)</span>
                          <span ui-badge variant="success" class="font-mono text-xs">1.02x Near-Ideal</span>
                        </div>
                        <div class="space-y-2 text-xs">
                          <div class="text-muted-foreground flex justify-between">
                            <span>Total Target Files (128MB):</span>
                            <span class="text-foreground font-mono font-bold">142 Files</span>
                          </div>
                          <div class="text-muted-foreground flex justify-between">
                            <span>Average File Size:</span>
                            <span class="text-foreground font-mono">128.2 MB</span>
                          </div>
                          <div class="text-muted-foreground flex justify-between">
                            <span>Query Scan Latency (P95):</span>
                            <span class="text-success font-mono font-semibold">220 milliseconds (38x speedup)</span>
                          </div>
                          <div class="text-muted-foreground flex justify-between">
                            <span>S3 GET Request Cost:</span>
                            <span class="text-foreground font-mono">$12 / month</span>
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            }
          </ui-tabs>
        </div>
      `,
    })
    export class UiLakehouseTableOptimizerComponent {
      protected readonly ArrowDownRight = ArrowDownRight
      protected readonly Check = Check
      protected readonly CheckCircle2 = CheckCircle2
      protected readonly Clock = Clock
      protected readonly Copy = Copy
      protected readonly Database = Database
      protected readonly FileCode2 = FileCode2
      protected readonly FileText = FileText
      protected readonly FolderArchive = FolderArchive
      protected readonly HardDrive = HardDrive
      protected readonly History = History
      protected readonly Layers = Layers
      protected readonly RefreshCw = RefreshCw
      protected readonly Search = Search
      protected readonly Server = Server
      protected readonly Terminal = Terminal
      protected readonly Trash2 = Trash2
      protected readonly Workflow = Workflow
      protected readonly Zap = Zap
    
      protected readonly snapshotOps = snapshotOps
    
      @Input() set initialTable(v: TableDetails | undefined) {
        if (v) this.tableOverride.set(v)
      }
      @Input() set initialSnapshots(v: TableSnapshot[] | undefined) {
        if (v) this.snapshots.set([...v])
      }
      @Input() set initialPartitions(v: PartitionRecord[] | undefined) {
        if (v) this.partitions.set([...v])
      }
      @Input() set initialTab(v: string) {
        this.activeTab.set(v ?? 'snapshots')
      }
      @Input('class') className?: string
    
      private readonly tableOverride = signal<TableDetails | undefined>(undefined)
      readonly table = computed(() => this.tableOverride() ?? defaultTable)
      readonly snapshots = signal<TableSnapshot[]>([...defaultSnapshots])
      readonly partitions = signal<PartitionRecord[]>([...defaultPartitions])
    
      readonly selectedSnapshotId = signal('snap_84920194821')
      readonly sqlSyntaxMode = signal<SqlSyntaxMode>('system_time')
      readonly snapshotFilter = signal<string>('ALL')
      readonly snapshotSearch = signal('')
      readonly partitionSearch = signal('')
      readonly activeTab = signal('snapshots')
    
      readonly isCompacting = signal(false)
      readonly isExpiring = signal(false)
      readonly actionNotification = signal<string | null>(null)
      readonly copiedQuery = signal(false)
      private copyTimer: ReturnType<typeof setTimeout> | undefined
      private actionTimer: ReturnType<typeof setTimeout> | undefined
    
      readonly selectedSnapshot = computed(
        () => this.snapshots().find((s) => s.id === this.selectedSnapshotId()) ?? this.snapshots()[0]!,
      )
    
      readonly filteredSnapshots = computed(() => {
        const filter = this.snapshotFilter()
        const q = this.snapshotSearch().toLowerCase().trim()
        return this.snapshots().filter((snap) => {
          const matchesOp = filter === 'ALL' || snap.operation === filter
          const matchesSearch =
            q === '' ||
            snap.id.toLowerCase().includes(q) ||
            snap.author.toLowerCase().includes(q) ||
            snap.summary.toLowerCase().includes(q) ||
            snap.operation.toLowerCase().includes(q)
          return matchesOp && matchesSearch
        })
      })
    
      readonly filteredPartitions = computed(() => {
        const q = this.partitionSearch().toLowerCase().trim()
        if (!q) return this.partitions()
        return this.partitions().filter((p) => p.partitionKey.toLowerCase().includes(q))
      })
    
      readonly generatedQuery = computed(() => {
        const currentSnap = this.selectedSnapshot()
        const tableName = this.table().name
        switch (this.sqlSyntaxMode()) {
          case 'system_time':
            return `SELECT * FROM ${tableName}\nFOR SYSTEM_TIME AS OF '${currentSnap.timestamp}';`
          case 'system_version':
            return `SELECT * FROM ${tableName}\nFOR SYSTEM_VERSION AS OF ${currentSnap.numericId};`
          case 'pyspark':
            return `# PySpark Iceberg time-travel query\ndf = spark.read \\\n  .format("iceberg") \\\n  .option("as-of-timestamp", "${currentSnap.timestamp}") \\\n  .load("${tableName}")\n\ndf.filter("customer_id = 'cust_98241'") \\\n  .select("event_id", "event_type", "event_date", "payload") \\\n  .show(10)`
          case 'trino':
            return `SELECT event_id, customer_id, event_type, event_date\nFROM ${tableName}\nFOR VERSION AS OF ${currentSnap.numericId}\nWHERE event_type = 'CHECKOUT_COMPLETED'\nLIMIT 50;`
          default:
            return `SELECT * FROM ${tableName}\nFOR SYSTEM_TIME AS OF '${currentSnap.timestamp}';`
        }
      })
    
      get rootClass(): string {
        return cn('text-foreground w-full space-y-6', this.className)
      }
    
      setActiveTab(value: string): void {
        this.activeTab.set(value)
      }
    
      selectSnapshot(id: string): void {
        this.selectedSnapshotId.set(id)
      }
    
      selectSnapshotKey(e: KeyboardEvent, id: string): void {
        e.preventDefault()
        this.selectSnapshot(id)
      }
    
      opPillClass(op: string): string {
        const active = this.snapshotFilter() === op
        return cn(
          'rounded-md px-2 py-1 font-mono text-xs transition-colors',
          active
            ? 'bg-primary text-primary-foreground font-semibold'
            : 'bg-muted text-muted-foreground hover:bg-accent hover:text-foreground',
        )
      }
    
      syntaxClass(mode: SqlSyntaxMode): string {
        const active = this.sqlSyntaxMode() === mode
        return cn(
          'rounded-md px-2 py-1.5 text-center font-mono text-xs transition-colors',
          active
            ? 'bg-primary text-primary-foreground font-semibold shadow-xs'
            : 'bg-muted text-muted-foreground hover:bg-accent hover:text-foreground',
        )
      }
    
      snapshotCardClass(id: string): string {
        const active = this.selectedSnapshotId() === id
        return cn(
          'group relative flex cursor-pointer flex-col gap-3 rounded-lg border p-3.5 transition-colors sm:flex-row sm:items-start sm:gap-4',
          active
            ? 'border-primary/60 bg-primary/[0.03] ring-primary/30 shadow-xs ring-1'
            : 'border-border bg-card/60 hover:border-border hover:bg-accent/40',
        )
      }
    
      operationBadgeVariant(op: SnapshotOperation): 'default' | 'secondary' | 'outline' | 'success' | 'warning' | 'info' {
        switch (op) {
          case 'OPTIMIZE':
            return 'success'
          case 'MERGE':
            return 'info'
          case 'APPEND':
            return 'secondary'
          case 'REPLACE_PARTITION':
            return 'warning'
          default:
            return 'outline'
        }
      }
    
      handleCopyQuery(): void {
        try {
          void navigator.clipboard?.writeText(this.generatedQuery())
          this.copiedQuery.set(true)
          clearTimeout(this.copyTimer)
          this.copyTimer = setTimeout(() => this.copiedQuery.set(false), 2000)
        } catch {
          // Clipboard fallback
        }
      }
    
      private notify(message: string): void {
        this.actionNotification.set(message)
        clearTimeout(this.actionTimer)
        this.actionTimer = setTimeout(() => this.actionNotification.set(null), 6000)
      }
    
      runCompaction(): void {
        if (this.isCompacting()) return
        this.isCompacting.set(true)
        this.actionNotification.set(null)
        setTimeout(() => {
          this.isCompacting.set(false)
          this.notify(
            'Compaction & Vacuum complete: 14,280 small files compacted into 142 optimal 128MB Parquet files. Reclaimed 1.2 TB storage.',
          )
        }, 1800)
      }
    
      expireSnapshots(): void {
        if (this.isExpiring()) return
        this.isExpiring.set(true)
        this.actionNotification.set(null)
        setTimeout(() => {
          this.isExpiring.set(false)
          this.notify(
            'Snapshot expiration finished: Removed 12 stale snapshots older than 30-day retention window. Purged 872 GB metadata & unreferenced parquet files.',
          )
        }, 1400)
      }
    }
    
  • src/app/components/blocks/lakehouse-table-optimizer/index.ts0.2 kB

Raw manifest:https://uipkge.dev/r/angular/lakehouse-table-optimizer.json