Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Evaluation query operators are used to evaluate expressions and perform dynamic operations.
| Description | |
|---|---|
$expr |
The $expr operator allows the use of aggregation expressions within the query language, enabling complex field comparisons and calculations. |
$jsonSchema |
The $jsonSchema operator validates documents against a JSON Schema definition for data validation and structure enforcement. Discover supported features and limitations. |
$mod |
The $mod operator performs a modulo operation on the value of a field and selects documents with a specified result. |
$regex |
The $regex operator provides regular expression capabilities for pattern matching in queries, allowing flexible string matching and searching. |
$text |
The $text operator performs text search on the content of indexed string fields, enabling full-text search capabilities. |