JSON_PATH
Extrait des données d'objets JSON.
Syntaxe
JSON_PATH(path, JSON)
Arguments
| Nom | Type | Description | Valeur par défaut |
|---|---|---|---|
| path | chaîne | Expression de chemin d'accès JSON | |
| JSON | chaîne | Chaîne contenant un document JSON |
Exemples
| path | JSON | Sortie |
|---|---|---|
| "$[*].author.name" | "[{ | |
name: The Great Gatsby, |
||
author: { |
||
name: F. Scott Fitzgerald |
||
| } | ||
| }, | ||
| { | ||
name: Nineteen Eighty-Four, |
||
author: { |
||
name: George Orwell |
||
| } | ||
| }]" | [F. Scott Fitzgerald, George Orwell] |
|
| "net_id" | "{ net_id: 41 }" |
41
|
| "net_id" | "{ net_id: [41, 42] }" |
[41,42]
|
| "net_id[*]" | "{ net_id: [41, 42] }" |
[41, 42] |
| "net_id.parent" | "{ net_id: [41, 42] }" |
null |
| "$[*]" | "[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"}] |