WHAT IT ANSWERS
这张表适合回答什么
- 解析证券与来源标识映射
- 为跨表查询补充分类和主数据
DATASET · ref
ref.gleif_lei_relationship
这是证券主数据、交易日历与跨来源映射中的“GLEIF LEI 关系”数据集;一行由 child_lei、relationship_type、snapshot_date 定位,主要字段包括 snapshot_ts、parent_lei、relationship_status、exception_reason、period_start。
snapshot_tsWHAT IT ANSWERS
GRAIN & TIME
KEY FIELDS
child_leirelationship_typesnapshot_dateRECOMMENDED JOINS
该表主要按自身业务键使用,目前没有推荐的跨表主键联接。
HOW TO QUERY SAFELY
先用 catalog 确认当前契约;可按 catalog 中列出的 filters 进一步缩小范围;单页最多 5000 行,响应有 has_more 时原样传回 next_cursor 继续分页。
MACHINE CONTRACT
child_lei, relationship_type, snapshot_datechild_lei, relationship_type, snapshot_datecanonical_final_activeprovider→ provider · stringsnapshot_date→ snapshot_date · stringsource→ source · stringPOINT IN TIME
该资产没有 PIT 契约。普通 rows 端点仍按当前公开读模式返回数据;不要把它表述成历史时点快照。
COPY-READY CALLS
同一数据集可用 HTTP、Python SDK、CLI 或 MCP;Key 始终只通过环境变量/Bearer Header 传递。
curl --fail-with-body -H "Authorization: Bearer $FRIENDS_DATA_API_KEY" "https://api.alphahubs.uk/api/v1/data/datasets/ref/gleif_lei_relationship/rows?limit=100&provider=PROVIDER_VALUE"from friends_data_api import FriendsDataClient, Settings
async with FriendsDataClient(Settings.from_env()) as client:
page = await client.get_dataset_rows('ref', 'gleif_lei_relationship', limit=100, filters={'provider': 'PROVIDER_VALUE'})
print(page.data)
if page.has_more:
print("next cursor:", page.next_cursor)friends-data get-dataset-rows ref gleif_lei_relationship --limit 100 --filter provider=PROVIDER_VALUE{
"arguments": {
"dataset": "gleif_lei_relationship",
"filters": {
"provider": "PROVIDER_VALUE"
},
"limit": 100,
"namespace": "ref"
},
"tool": "get_dataset_rows"
}FIELD DICTIONARY
descriptionSource 可在 JSON 中区分仓库注释、标准术语表和名称推导说明。
| # | 字段 | ClickHouse 类型 | JSON | 可空 | 角色 | 说明 |
|---|---|---|---|---|---|---|
| 1 | snapshot_tsUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | time | UTC timestamp for snapshot ts.名称推导 |
| 2 | snapshot_datedate | Date | string / date | no | filter, default_order, warehouse_primary_key, contract_unique_key | Calendar date for snapshot date (YYYY-MM-DD).名称推导 |
| 3 | child_lei | String | string | no | default_order, warehouse_primary_key, contract_unique_key | Source-normalized field: child lei.名称推导 |
| 4 | parent_lei | String | string | no | value | Source-normalized field: parent lei.名称推导 |
| 5 | relationship_type | LowCardinality(String) | string | no | default_order, warehouse_primary_key, contract_unique_key | Source-normalized field: relationship type.名称推导 |
| 6 | relationship_status | LowCardinality(String) | string | no | value | Source-normalized field: relationship status.名称推导 |
| 7 | exception_reason | LowCardinality(String) | string | no | value | Source-normalized field: exception reason.名称推导 |
| 8 | period_start | Nullable(Date) | string / date | yes | value | Source-normalized field: period start.名称推导 |
| 9 | period_end | Nullable(Date) | string / date | yes | value | Source-normalized field: period end.名称推导 |
| 10 | provider | LowCardinality(String) | string | no | filter, provenance | Upstream data provider identifier.标准术语表 |
| 11 | source_url | String | string | no | provenance | URL of the upstream evidence or record when distributable.标准术语表 |
| 12 | source_record_id | String | string | no | provenance | Provider-side identifier for the source record.标准术语表 |
| 13 | raw_payload_hash | String | string | no | provenance | Opaque fingerprint of the normalized source payload for provenance checks.标准术语表 |
| 14 | parser_version | LowCardinality(String) | string | no | provenance | Version of the parser or normalizer that produced the row.标准术语表 |
| 15 | quality_status | LowCardinality(String) | string | no | provenance | Machine-readable data-quality classification.标准术语表 |
| 16 | license_scope | LowCardinality(String) | string | no | provenance | License or redistribution scope attached to the row.标准术语表 |
| 17 | visibility_tier | LowCardinality(String) | string | no | provenance | Serving visibility tier attached to the row.标准术语表 |
| 18 | ingest_run_id | String | string | no | provenance | Identifier of the ingestion run that produced the row.标准术语表 |
| 19 | version_tsUTC_datetime | UInt64 | integer | no | provenance | UTC timestamp associated with the row version.标准术语表 |
| 20 | source | LowCardinality(String) | string | no | filter, provenance | Normalized upstream source identifier.标准术语表 |
| 21 | is_deleted | UInt8 | integer | no | value | Soft-delete marker; public serving excludes current tombstones.标准术语表 |
| 22 | created_atUTC_datetime | DateTime | string / date-time | no | value | UTC timestamp when the warehouse row was first created.标准术语表 |
| 23 | updated_atUTC_datetime | DateTime | string / date-time | no | value | UTC timestamp when the warehouse row was last updated.标准术语表 |
| 24 | version | UInt64 | integer | no | provenance | Monotonic row version used for correction-aware reads.标准术语表 |
换一个字段名、类型或角色。
结构来自 Friends 只读身份可见的真实 serving relation;权限、过滤、排序、PIT 与分页来自可执行 DatasetSpec。Schema observed at 2026-10-06T18:08:52Z。