# JSON\_PATH

Extraherar data från JSON-objekt.

## Syntax

```
JSON_PATH(path, JSON)
```

## Argument

| Namn | Typ | Beskrivning | Standardvärde |
| --- | --- | --- | --- |
| sökväg | sträng | JSON-sökvägsuttryck |  |
| JSON | sträng | En sträng som innehåller JSON-dokument |  |

## Exempel

| sökväg | JSON | Utdata |
| --- | --- | --- |
| `"$[*].author.name"` | `"[{"name": "The Great Gatsby", "author": {"name": "F. Scott Fitzgerald"}}, {"name": "Nineteen Eighty-Four", "author": {"name": "George Orwell"}}]` | `[F. Scott Fitzgerald, George Orwell]` |
| `"net_id"` | `"{ "net_id": 41 }"` | `41` |
| `"net_id"` | `"{ "net_id": [41, 42] }"` | `[41,42]` |
| `"net_id[*]"` | `"{ "net_id": [41, 42] }"` | [`41`, `42`] |
| `"net_id.parent"` | `"{ "net_id": [41, 42] }"` | null |
| `"$[*]"` | `"[1,2,3]"` | [`1`, `2`, `3`] |
| `"$[*].author"` | `"[{"name":"The Great Gatsby", "author":{"name": "F. Scott Fitzgerald"}}, {"name":"Nineteen Eighty-Four", "author": {"name": "George Orwell"}}]` | `[{"name":"F. Scott Fitzgerald"}, {"name":"George Orwell"}]` |