mchades commented on code in PR #12900:
URL: https://github.com/apache/gravitino/pull/12900#discussion_r4279625227


##########
web-v2/web/src/lib/store/metalakes/index.js:
##########
@@ -3086,6 +3298,40 @@ export const appMetalakesSlice = createSlice({
         toast.error(action.error.message)
       }
     })
+    builder.addCase(fetchSemanticModels.pending, (state, action) => {
+      const key = semanticModelSchemaKey(action.meta.arg)
+      state.semanticModelRequests[key] = { requestId: action.meta.requestId }
+      state.semanticModelListRequestId = action.meta.requestId
+    })
+    builder.addCase(fetchSemanticModels.fulfilled, (state, action) => {
+      if (action.payload.stale) return
+      const request = state.semanticModelRequests[action.payload.schemaKey]
+      if (request && request.requestId !== action.meta.requestId) return
+      if (request) request.semanticModels = action.payload.semanticModels
+      if (!state.semanticModelListRequestId || 
state.semanticModelListRequestId === action.meta.requestId) {
+        state.semanticModels = action.payload.semanticModels
+      }
+    })
+    builder.addCase(fetchSemanticModels.rejected, (state, action) => {
+      if (action.error.name !== 'CanceledError' && 
!action.error.message.includes('CanceledError')) {
+        toast.error(action.error.message)
+      }
+    })
+    builder.addCase(getSemanticModelDetails.fulfilled, (state, action) => {
+      if (action.payload.init) {
+        state.activatedDetails = action.payload.semanticModel
+      }

Review Comment:
   [P2] The reverse navigation path still reproduces this on `6a368938a`: hold 
a table GET, open `sales_model` and wait for it to load, then release the table 
response. The URL/title still identify the model, but its datasets become "No 
data" and Edit/Export are disabled. I reproduced this in Chrome; 
controlled-order tests also fail for both table → model and schema → model. 
Only the semantic-model branch assigns the abortable requests/checks 
`canceled`; the older table/schema reducers and their loading/tag follow-ups 
still write shared state. Please guard every writer against the active 
entity/request and cover both navigation directions.



##########
web-v2/web/src/app/catalogs/rightContent/entitiesContent/SemanticModelDetailsPage.js:
##########
@@ -0,0 +1,576 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+'use client'
+
+import { useMemo, useState } from 'react'
+import { Button, Divider, Flex, Popover, Space, Spin, Table, Tabs, Tag, 
Tooltip, Typography, message } from 'antd'
+import { useAntdColumnResize } from 'react-antd-column-resize'
+import useResizeObserver from 'use-resize-observer'
+import { useRouter, useSearchParams } from 'next/navigation'
+import Tags from '@/components/CustomTags'
+import GetOwner from '@/components/GetOwner'
+import Icons from '@/components/Icons'
+import PropertiesContent from '@/components/PropertiesContent'
+import { useAppDispatch, useAppSelector } from '@/lib/hooks/useStore'
+import { getSemanticModelDetails } from '@/lib/store/metalakes'
+import { copyToClipboard } from '@/lib/utils'
+import { formatToDateTime, isValidDate } from '@/lib/utils/date'
+import { formatSemanticModelDefinition } from '@/lib/utils/semanticModel'
+import SemanticModelAIContext from './SemanticModelAIContext'
+import SemanticModelExport from './SemanticModelExport'
+import SemanticModelExtensions from './SemanticModelExtensions'
+import CreateSemanticModelDialog from '../CreateSemanticModelDialog'
+
+const { Title, Paragraph } = Typography
+
+const sourceFullName = source => {
+  if (!source) {
+    return '-'
+  }
+
+  return [...(source.namespace || []), source.name].filter(Boolean).join('.')
+}
+
+const renderExpression = expression => {
+  const dialects = expression?.dialects || []
+
+  if (!dialects.length) {
+    return <span>-</span>
+  }
+
+  return (
+    <Space direction='vertical' size={2}>
+      {dialects.map((dialect, index) => (
+        <span key={`${dialect?.dialect}-${index}`}>
+          <Tag>{dialect?.dialect}</Tag>
+          <span className='font-mono text-xs'>{dialect?.expression}</span>
+        </span>
+      ))}
+    </Space>
+  )
+}
+
+const renderColumns = columns => <span className='font-mono text-xs'>{(columns 
|| []).join(', ') || '-'}</span>
+
+const hasMetadata = entity => !!entity.aiContext || 
entity.customExtensions?.length > 0
+
+const renderMetadata = (entity, label) => (
+  <>
+    <SemanticModelAIContext context={entity?.aiContext} label={`${label} AI 
Context`} />
+    <SemanticModelExtensions extensions={entity?.customExtensions} 
label={`${label} Vendor Extensions`} />
+  </>
+)
+
+export default function SemanticModelDetailsPage() {
+  const searchParams = useSearchParams()
+  const router = useRouter()
+  const dispatch = useAppDispatch()
+  const metalake = searchParams.get('metalake')
+  const catalog = searchParams.get('catalog')
+  const schema = searchParams.get('schema')
+  const semanticModelName = searchParams.get('semanticModel')
+  const auth = useAppSelector(state => state.auth)
+  const { anthEnable } = auth
+  const store = useAppSelector(state => state.metalakes)
+  const semanticModel = store.activatedDetails
+  const [tabKey, setTabKey] = useState('Datasets')
+  const [openEdit, setOpenEdit] = useState(false)
+  const { ref, width } = useResizeObserver()
+
+  const definition = semanticModel?.definition
+  const properties = semanticModel?.properties
+  const createdAt = semanticModel?.audit?.createTime
+  const createdAtText = !createdAt || !isValidDate(createdAt) ? '-' : 
formatToDateTime(createdAt)
+  const lastModifiedAt = semanticModel?.audit?.lastModifiedTime
+  const lastModifiedText = !lastModifiedAt || !isValidDate(lastModifiedAt) ? 
'-' : formatToDateTime(lastModifiedAt)
+  const metadataObjectFullName = `${catalog}.${schema}.${semanticModelName}`
+
+  const datasets = useMemo(
+    () => (definition?.datasets || []).map(dataset => ({ ...dataset, key: 
dataset.name })),
+    [definition]
+  )
+
+  const relationships = useMemo(
+    () => (definition?.relationships || []).map(relationship => ({ 
...relationship, key: relationship.name })),
+    [definition]
+  )
+
+  const metrics = useMemo(
+    () => (definition?.metrics || []).map(metric => ({ ...metric, key: 
metric.name })),
+    [definition]
+  )
+
+  const definitionText = useMemo(() => 
formatSemanticModelDefinition(definition), [definition])
+
+  const tagContent = (
+    <div>
+      <Tags readOnly={true} metadataObjectType={'semantic_model'} 
metadataObjectFullName={metadataObjectFullName} />
+    </div>
+  )
+
+  const propertyContent = <PropertiesContent properties={properties} />
+
+  const onSaved = async updated => {
+    if (updated.name !== semanticModelName) {
+      const params = new URLSearchParams(searchParams.toString())
+      params.set('semanticModel', updated.name)
+      router.replace(`/catalogs?${params.toString()}`)
+    } else {
+      await dispatch(getSemanticModelDetails({ metalake, catalog, schema, 
semanticModel: updated.name, init: true }))
+    }
+  }
+
+  const onCopyDefinition = async () => {
+    try {
+      await copyToClipboard(definitionText)
+      message.success('Definition copied!')
+    } catch (err) {
+      console.error('Failed to copy definition: ', err)
+      message.error('Failed to copy definition')
+    }
+  }
+
+  const datasetColumns = useMemo(
+    () => [
+      {
+        title: 'Dataset Name',
+        dataIndex: 'name',
+        key: 'name',
+        width: 200,
+        ellipsis: true,
+        sorter: (a, b) => 
a.name.toLowerCase().localeCompare(b.name.toLowerCase())
+      },
+      {
+        title: 'Source',
+        dataIndex: 'source',
+        key: 'source',
+        width: 260,
+        ellipsis: true,
+        render: source => <span className='font-mono 
text-xs'>{sourceFullName(source)}</span>
+      },
+      {
+        title: 'Primary Key',
+        dataIndex: 'primaryKey',
+        key: 'primaryKey',
+        width: 180,
+        ellipsis: true,
+        render: renderColumns
+      },
+      {
+        title: 'Unique Keys',
+        dataIndex: 'uniqueKeys',
+        key: 'uniqueKeys',
+        width: 220,
+        render: keys =>
+          keys?.length ? (
+            <Space direction='vertical' size={4}>
+              {keys.map((columns, index) => (
+                <Tag key={index}>{renderColumns(columns)}</Tag>
+              ))}
+            </Space>
+          ) : (
+            <span>-</span>
+          )
+      },
+      {
+        title: 'Fields',
+        dataIndex: 'fields',
+        key: 'fields',
+        width: 80,
+        render: fields => <span>{(fields || []).length}</span>
+      },
+      {
+        title: 'Description',
+        dataIndex: 'description',
+        key: 'description',
+        ellipsis: true,
+        render: description => <span>{description || '-'}</span>
+      }
+    ],
+    []
+  )
+
+  const fieldColumns = useMemo(
+    () => [
+      {
+        title: 'Field Name',
+        dataIndex: 'name',
+        key: 'name',
+        width: 220,
+        render: (name, field) => (
+          <div className='break-words'>
+            <div>{name}</div>
+            {field.label && <Typography.Text 
type='secondary'>{field.label}</Typography.Text>}
+          </div>
+        )
+      },
+      {
+        title: 'Data Type',
+        dataIndex: 'datatype',
+        key: 'datatype',
+        width: 140,
+        render: datatype => (datatype ? <Tag>{datatype}</Tag> : <span>-</span>)
+      },
+      {
+        title: 'Time Dimension',
+        dataIndex: 'dimension',
+        key: 'dimension',
+        width: 140,
+        render: dimension => <span>{dimension?.isTime ? 'Yes' : 'No'}</span>
+      },
+      {
+        title: 'Expression',
+        dataIndex: 'expression',
+        key: 'expression',
+        render: renderExpression
+      },
+      {
+        title: 'Description',
+        dataIndex: 'description',
+        key: 'description',
+        ellipsis: true,
+        render: description => <span>{description || '-'}</span>
+      }
+    ],
+    []
+  )
+
+  const relationshipColumns = useMemo(
+    () => [
+      {
+        title: 'Relationship Name',
+        dataIndex: 'name',
+        key: 'name',
+        width: 220,
+        ellipsis: true,
+        sorter: (a, b) => 
a.name.toLowerCase().localeCompare(b.name.toLowerCase())
+      },
+      { title: 'From', dataIndex: 'from', key: 'from', width: 160, ellipsis: 
true },
+      {
+        title: 'From Columns',
+        dataIndex: 'fromColumns',
+        key: 'fromColumns',
+        width: 200,
+        ellipsis: true,
+        render: renderColumns
+      },
+      { title: 'To', dataIndex: 'to', key: 'to', width: 160, ellipsis: true },
+      {
+        title: 'To Columns',
+        dataIndex: 'toColumns',
+        key: 'toColumns',
+        ellipsis: true,
+        render: renderColumns
+      }
+    ],
+    []
+  )
+
+  const metricColumns = useMemo(
+    () => [
+      {
+        title: 'Metric Name',
+        dataIndex: 'name',
+        key: 'name',
+        width: 200,
+        ellipsis: true,
+        sorter: (a, b) => 
a.name.toLowerCase().localeCompare(b.name.toLowerCase())
+      },
+      {
+        title: 'Data Type',
+        dataIndex: 'datatype',
+        key: 'datatype',
+        width: 140,
+        render: datatype => (datatype ? <Tag>{datatype}</Tag> : <span>-</span>)
+      },
+      {
+        title: 'Expression',
+        dataIndex: 'expression',
+        key: 'expression',
+        render: renderExpression
+      },
+      {
+        title: 'Description',
+        dataIndex: 'description',
+        key: 'description',
+        ellipsis: true,
+        render: description => <span>{description || '-'}</span>
+      }
+    ],
+    []
+  )
+
+  const tabOptions = [
+    { label: 'Datasets', key: 'Datasets' },
+    { label: 'Relationships', key: 'Relationships' },
+    { label: 'Metrics', key: 'Metrics' },
+    { label: 'Definition', key: 'Definition' }
+  ]
+
+  const {
+    resizableColumns: datasetResizableColumns,
+    components: datasetComponents,
+    tableWidth: datasetTableWidth
+  } = useAntdColumnResize(() => {
+    return { columns: datasetColumns, minWidth: 100 }
+  }, [datasetColumns])
+
+  const {
+    resizableColumns: relationshipResizableColumns,
+    components: relationshipComponents,
+    tableWidth: relationshipTableWidth
+  } = useAntdColumnResize(() => {
+    return { columns: relationshipColumns, minWidth: 100 }
+  }, [relationshipColumns])
+
+  const {
+    resizableColumns: metricResizableColumns,
+    components: metricComponents,
+    tableWidth: metricTableWidth
+  } = useAntdColumnResize(() => {
+    return { columns: metricColumns, minWidth: 100 }
+  }, [metricColumns])
+
+  const expandedFieldsRow = dataset => (
+    <div>
+      {renderMetadata(dataset, dataset.name)}
+      <Table
+        data-refer='semantic-model-fields-grid'
+        size='small'
+        rowKey={field => field.name}
+        dataSource={dataset.fields || []}
+        columns={fieldColumns}
+        pagination={false}
+        expandable={{
+          expandedRowRender: field => renderMetadata(field, field.name),
+          rowExpandable: hasMetadata
+        }}
+      />
+    </div>
+  )
+
+  return (
+    <>
+      <Spin spinning={store.activatedDetailsLoading}>
+        <Flex className='mb-2' gap='small' align='flex-start' ref={ref}>
+          <div className='size-8'>
+            <Icons.iconify icon='mdi:graph-outline' className='my-icon-large' 
/>
+          </div>
+          <div className='grow-1 relative bottom-1'>
+            <Title level={3} style={{ marginBottom: '0.125rem' }}>
+              <Space>
+                <span
+                  title={semanticModelName}
+                  className='min-w-10 truncate'
+                  style={{ maxWidth: `calc(${width}px - 90px)`, display: 
'inherit' }}
+                >
+                  {semanticModelName || ''}
+                </span>
+                <Tooltip title='Edit'>
+                  <Button
+                    type='text'
+                    size='small'
+                    aria-label='Edit Semantic Model'
+                    icon={<Icons.Pencil className='size-4' />}
+                    disabled={store.activatedDetailsLoading || !definition}
+                    onClick={() => setOpenEdit(true)}
+                  />
+                </Tooltip>
+              </Space>
+            </Title>
+            <Paragraph
+              type='secondary'
+              className='truncate'
+              title={semanticModel?.comment}
+              style={{ marginBottom: 0, maxWidth: `calc(${width}px - 56px)` }}
+            >
+              {semanticModel?.comment}
+            </Paragraph>
+          </div>
+        </Flex>
+        <Space split={<Divider type='vertical' />} wrap={true} 
className='mb-2'>
+          {anthEnable && (
+            <Space size={4}>
+              <Tooltip title='Owned' placement='top'>
+                <Icons.User className='size-4' color='grey' />
+              </Tooltip>
+              <GetOwner
+                metalake={metalake}
+                metadataObjectType={'semantic_model'}
+                metadataObjectFullName={metadataObjectFullName}
+              />
+            </Space>
+          )}
+          {semanticModel?.audit?.creator && (
+            <Space size={4}>
+              <Tooltip title='Creator' placement='top'>
+                <Icons.UserPen className='size-4' color='grey' />
+              </Tooltip>
+              <span>{semanticModel.audit.creator}</span>
+            </Space>
+          )}
+          <Space size={4}>
+            <Tooltip title='Created' placement='top'>
+              <span className='inline-flex'>
+                <Icons.iconify icon='mdi:clock-outline' className='size-4' 
props={{ color: 'grey' }} />
+              </span>
+            </Tooltip>
+            <span>{createdAtText}</span>
+          </Space>
+          <Space size={4}>
+            <Tooltip title='Tags' placement='top'>
+              <Icons.Tags className='size-4' color='grey' />
+            </Tooltip>
+            {store.currentEntityTags && store.currentEntityTags?.length > 0 ? (
+              <Popover placement='bottom' title={<span>Tags</span>} 
content={tagContent}>
+                <a 
className='text-defaultPrimary'>{store.currentEntityTags?.length}</a>
+              </Popover>
+            ) : (
+              <a className='text-defaultPrimary'>0</a>
+            )}
+          </Space>
+          <Space size={4}>
+            <Tooltip title='Properties' placement='top'>
+              <Icons.TableProperties className='size-4' color='grey' />
+            </Tooltip>
+            {properties && Object.keys(properties).length > 0 ? (
+              <Popover placement='bottom' title={<span>Properties</span>} 
content={propertyContent}>
+                <a 
className='text-defaultPrimary'>{Object.keys(properties).length}</a>
+              </Popover>
+            ) : (
+              <a className='text-defaultPrimary'>0</a>
+            )}
+          </Space>
+          {semanticModel?.audit?.lastModifier && (
+            <Space size={4} data-refer='semantic-model-last-modifier'>
+              <Tooltip title='Last modified by'>
+                <Icons.UserPen className='size-4' color='grey' />
+              </Tooltip>
+              <span>{semanticModel.audit.lastModifier}</span>
+            </Space>
+          )}
+          {lastModifiedAt && (
+            <Space size={4} data-refer='semantic-model-last-modified-time'>
+              <Tooltip title='Last modified'>
+                <Icons.History className='size-4' color='grey' />
+              </Tooltip>
+              <span>{lastModifiedText}</span>
+            </Space>
+          )}
+        </Space>
+      </Spin>
+      <SemanticModelExport
+        key={metadataObjectFullName}
+        metalake={metalake}
+        catalog={catalog}
+        schema={schema}
+        semanticModel={semanticModelName}
+        disabled={store.activatedDetailsLoading || !definition}
+      />
+      {renderMetadata(definition, 'Model')}
+      <Tabs data-refer='details-tabs' activeKey={tabKey} onChange={setTabKey} 
items={tabOptions} />
+      <Spin spinning={store.activatedDetailsLoading}>
+        {tabKey === 'Datasets' && (
+          <Table
+            data-refer='semantic-model-datasets-grid'
+            size='small'
+            style={{ maxHeight: 'calc(100vh - 30rem)' }}
+            scroll={{ x: datasetTableWidth, y: 'calc(100vh - 37rem)' }}
+            dataSource={datasets}
+            columns={datasetResizableColumns}
+            components={datasetComponents}
+            expandable={{
+              expandedRowRender: expandedFieldsRow,
+              rowExpandable: dataset => (dataset.fields || []).length > 0 || 
hasMetadata(dataset)
+            }}
+            pagination={{ position: ['bottomCenter'], showSizeChanger: true }}
+          />
+        )}
+        {tabKey === 'Relationships' && (
+          <Table
+            data-refer='semantic-model-relationships-grid'
+            size='small'
+            style={{ maxHeight: 'calc(100vh - 30rem)' }}
+            scroll={{ x: relationshipTableWidth, y: 'calc(100vh - 37rem)' }}
+            dataSource={relationships}
+            columns={relationshipResizableColumns}
+            components={relationshipComponents}
+            expandable={{
+              expandedRowRender: relationship => renderMetadata(relationship, 
relationship.name),
+              rowExpandable: hasMetadata
+            }}
+            pagination={{ position: ['bottomCenter'], showSizeChanger: true }}
+          />
+        )}
+        {tabKey === 'Metrics' && (
+          <Table
+            data-refer='semantic-model-metrics-grid'
+            size='small'
+            style={{ maxHeight: 'calc(100vh - 30rem)' }}
+            scroll={{ x: metricTableWidth, y: 'calc(100vh - 37rem)' }}

Review Comment:
   The scrollbars and pagination are reachable on `6a368938a`, but the body is 
again too small in a short window. With the existing sample at 1280×600, I 
measured only 67px of usable height in Datasets and 82px in Metrics; an 
expanded field section is about 168px tall and metric rows are 85–101px. A 
whole field/metric cannot be read at once. The fixed 
header/tabs/search/pagination consume most of the panel, and hiding outer 
overflow forces everything into the remainder. Please add a compact 
short-window layout or an outer-scroll fallback that preserves a usable body 
and reachable horizontal scrollbar. The viewport check should verify readable 
expanded content as well as scrollbar visibility.



##########
web-v2/web/src/lib/api/semanticModels/index.js:
##########
@@ -0,0 +1,94 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { defHttp } from '@/lib/utils/axios'
+
+const Apis = {
+  GET: ({ metalake, catalog, schema }) =>
+    
`/api/metalakes/${encodeURIComponent(metalake)}/catalogs/${encodeURIComponent(
+      catalog
+    )}/schemas/${encodeURIComponent(schema)}/semantic-models`,
+  GET_DETAIL: ({ metalake, catalog, schema, semanticModel }) =>
+    
`/api/metalakes/${encodeURIComponent(metalake)}/catalogs/${encodeURIComponent(
+      catalog
+    
)}/schemas/${encodeURIComponent(schema)}/semantic-models/${encodeURIComponent(semanticModel)}`
+}
+
+export const getSemanticModelsApi = (params, options) => {
+  return defHttp.get(
+    {
+      url: `${Apis.GET(params)}`
+    },
+
+    // The schema tab and tree load this list independently and must not 
cancel each other.
+    { ...options, ignoreCancelToken: true }

Review Comment:
   There is another ordering gap on `6a368938a`: start a save in schema A, 
navigate to schema B and let B's list load, then finish A's PUT. 
`updateSemanticModel` unconditionally starts a new `fetchSemanticModels(A)`; it 
becomes the latest list request and replaces B's visible list with A's models. 
A controlled-order test using the real thunk/reducer fails with `['model_a']` 
instead of `['model_b']` while B remains selected. The editor's mounted guard 
runs after this refresh, so it cannot prevent it. Please scope the visible list 
to the active schema while allowing A's tree/cache to refresh, and cover 
mutation completion after navigation.



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