Function jsonPathExists

jsonPathExists(column: string, path: string): Record<string, any>
Helper to create JSON path exists condition Checks if a JSON path exists and returns boolean (PostgreSQL @? operator)
Parameters
- column: string
- path: string
Returns Record<string, any>
Example
```
// Check if path exists
User.findAll({ where: jsonPathExists('data', '$.key') })
// SQL: WHERE data @? '$.key'
```
- Defined in operators.ts:2498