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Document Precisely vendor extensions #661

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54 changes: 36 additions & 18 deletions extensions/vendors.md
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,8 @@ Custom extensions attach platform-specific metadata to a model (see

```yaml
custom_extensions:
- vendor_name: string # Free-form string identifying the vendor
data: string # JSON string containing vendor-specific data
- vendor_name: string # Free-form string identifying the vendor
data: string # JSON string containing vendor-specific data
```

`vendor_name` is a free-form string and `data` is an opaque string that Ossie
Expand All @@ -34,22 +34,23 @@ community uses (see [`README.md`](README.md) for how these lists are used).

## Known vendors

| Vendor | Description |
|--------|-------------|
| `COMMON` | Common/standard extensions |
| `SNOWFLAKE` | Snowflake-specific attributes |
| `SALESFORCE` | Salesforce/Tableau-specific attributes |
| `DBT` | dbt-specific attributes |
| `DATABRICKS` | Databricks-specific attributes |
| `GOODDATA` | GoodData-specific attributes |
| `SEMANTIDO` | Semantido-specific attributes |
| `HONEYDEW` | Honeydew-specific attributes |
| `WISDOM` | WisdomAI-specific attributes |
| `POWER_BI` | Microsoft Power BI-specific attributes |
| `SIGMA` | Sigma Computing-specific attributes |
| `THOUGHTSPOT` | ThoughtSpot-specific attributes |
| `HEX` | Hex-specific attributes |
| `ATACCAMA` | Ataccama-specific attributes |
| Vendor | Description |
| ------------- | -------------------------------------- |
| `COMMON` | Common/standard extensions |
| `SNOWFLAKE` | Snowflake-specific attributes |
| `SALESFORCE` | Salesforce/Tableau-specific attributes |
| `DBT` | dbt-specific attributes |
| `DATABRICKS` | Databricks-specific attributes |
| `GOODDATA` | GoodData-specific attributes |
| `SEMANTIDO` | Semantido-specific attributes |
| `HONEYDEW` | Honeydew-specific attributes |
| `WISDOM` | WisdomAI-specific attributes |
| `POWER_BI` | Microsoft Power BI-specific attributes |
| `SIGMA` | Sigma Computing-specific attributes |
| `THOUGHTSPOT` | ThoughtSpot-specific attributes |
| `HEX` | Hex-specific attributes |
| `ATACCAMA` | Ataccama-specific attributes |
| `PRECISELY` | Precisely-specific attributes |

## Examples

Expand Down Expand Up @@ -98,3 +99,20 @@ community uses (see [`README.md`](README.md) for how these lists are used).
"default_schema": "gold"
}'
```

**PRECISELY Extension:**

```yaml
- vendor_name: PRECISELY
data: '{
"CDE": true,
"PII": true,
"tags": ["Confidential"],
"semanticType": "EMAIL.ADDRESS",
"updatedAt": "2026-10-29T00:00:00Z",
"scores": {
"Quality":90,
"Governance": 70
}
}'
```
Comment on lines 55 to +118

@christianeu-db christianeu-db Oct 30, 2026

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We're trying to de-emphasize specific vendor details in the top-level docs (e.g. we pulled vendor / dialect enums out of the core spec and made them free-form. Do you mind removing this new example and, in fairness, the other examples?

As far as I can tell, these examples even pre-dated the converters so may not even be valid. In general, the vendor-specific converters should be the source of truth

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