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.cusip_primary_instrument_mapping
这是证券主数据、交易日历与跨来源映射中的“CUSIP 主证券映射”数据集;一行由 cusip、ticker、market 定位,主要字段包括 exchange、figi、composite_figi、share_class_figi、security_name。
—WHAT IT ANSWERS
GRAIN & TIME
KEY FIELDS
cusiptickermarketRECOMMENDED JOINS
ref.instrumenton instrument_id用 instrument_id 补充证券代码、名称、市场、交易所和资产类型。
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
cusip, ticker, marketcusip, ticker, marketrelation_defaultexchange→ exchange · stringinstrument_id→ instrument_id · integermarket→ market · stringticker→ ticker · 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/cusip_primary_instrument_mapping/rows?limit=100&exchange=NASDAQ"from friends_data_api import FriendsDataClient, Settings
async with FriendsDataClient(Settings.from_env()) as client:
page = await client.get_dataset_rows('ref', 'cusip_primary_instrument_mapping', limit=100, filters={'exchange': 'NASDAQ'})
print(page.data)
if page.has_more:
print("next cursor:", page.next_cursor)friends-data get-dataset-rows ref cusip_primary_instrument_mapping --limit 100 --filter exchange=NASDAQ{
"arguments": {
"dataset": "cusip_primary_instrument_mapping",
"filters": {
"exchange": "NASDAQ"
},
"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 | cusip | String | string | no | default_order, contract_unique_key | Source-normalized field: cusip.名称推导 |
| 2 | ticker | String | string | no | filter, default_order, contract_unique_key | Ticker symbol reported by the source or mapped security master.标准术语表 |
| 3 | market | String | string | no | filter, default_order, contract_unique_key | Canonical market or country-market code.标准术语表 |
| 4 | exchange | String | string | no | filter | Listing or trading exchange.标准术语表 |
| 5 | figi | String | string | no | value | Source-normalized field: figi.名称推导 |
| 6 | composite_figi | String | string | no | value | Source-normalized field: composite figi.名称推导 |
| 7 | share_class_figi | String | string | no | value | Source-normalized field: share class figi.名称推导 |
| 8 | security_name | String | string | no | value | Source-normalized field: security name.名称推导 |
| 9 | security_type | String | string | no | value | Source-normalized field: security type.名称推导 |
| 10 | market_sector | String | string | no | value | Source-normalized field: market sector.名称推导 |
| 11 | instrument_id | Nullable(UInt64) | integer | yes | filter | WarrenHub canonical instrument identifier; use it for cross-dataset joins.标准术语表 |
| 12 | mapping_status | String | string | no | value | Source-normalized field: mapping status.名称推导 |
| 13 | confidence | Float64 | number | no | value | Source-normalized field: confidence.名称推导 |
| 14 | evidence_json | String | string | no | value | Source-normalized field: evidence json.名称推导 |
| 15 | latest_observed_atUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | value | UTC timestamp for latest observed at.名称推导 |
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。