WHAT IT ANSWERS
这张表适合回答什么
- 跟踪央行沟通时间线
- 检索利率与通胀相关讲话
- 构建货币政策文本样本
DATASET · event
event.news_central_bank
聚合主要央行的新闻、声明和官员讲话,保留央行、发布日期、标题与原文链接。
publish_dateWHAT IT ANSWERS
GRAIN & TIME
KEY FIELDS
bankurlpublish_dateRECOMMENDED JOINS
event.source_documenton doc_id用文档标识回溯标准化原文和来源信息;先核对两表字段口径。
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,该表不提供稳定 cursor,结果过大时必须缩小标的、日期或其他筛选。
MACHINE CONTRACT
publish_date, bank, url—canonical_final_activebank→ bank · stringdoc_type→ doc_type · 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/event/news_central_bank/rows?limit=100&source=SOURCE_VALUE&start=2026-08-01&end=2026-08-01"from friends_data_api import FriendsDataClient, Settings
async with FriendsDataClient(Settings.from_env()) as client:
page = await client.get_dataset_rows('event', 'news_central_bank', limit=100, start='2026-08-01', end='2026-08-01', filters={'source': 'SOURCE_VALUE'})
print(page.data)
if page.has_more:
print("next cursor:", page.next_cursor)friends-data get-dataset-rows event news_central_bank --limit 100 --start 2026-08-01 --end 2026-08-01 --filter source=SOURCE_VALUE{
"arguments": {
"dataset": "news_central_bank",
"end": "2026-08-01",
"filters": {
"source": "SOURCE_VALUE"
},
"limit": 100,
"namespace": "event",
"start": "2026-08-01"
},
"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 | bank | LowCardinality(String) | string | no | filter, default_order, warehouse_primary_key | Source-normalized field: bank.名称推导 |
| 2 | publish_datedate | Date | string / date | no | time, default_order, warehouse_primary_key | Calendar date for publish date (YYYY-MM-DD).名称推导 |
| 3 | url | String | string | no | default_order, warehouse_primary_key | Canonical URL attached to the record.标准术语表 |
| 4 | doc_id | String | string | no | value | Identifier for doc.名称推导 |
| 5 | doc_type | LowCardinality(String) | string | no | filter | Source-normalized field: doc type.名称推导 |
| 6 | source | LowCardinality(String) | string | no | filter, provenance | Normalized upstream source identifier.标准术语表 |
| 7 | title | String | string | no | value | Human-readable title supplied or normalized from the source.标准术语表 |
| 8 | body_path | String | string | no | value | Source-normalized field: body path.名称推导 |
| 9 | speaker | String | string | no | value | Source-normalized field: speaker.名称推导 |
| 10 | provider | LowCardinality(String) | string | no | 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 | UInt64 | integer | no | provenance | Monotonic row version used for correction-aware reads.标准术语表 |
| 20 | is_deleted | UInt8 | integer | no | value | Soft-delete marker; public serving excludes current tombstones.标准术语表 |
| 21 | created_atUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | value | UTC timestamp when the warehouse row was first created.标准术语表 |
| 22 | updated_atUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | value | UTC timestamp when the warehouse row was last updated.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。