文档数据库服务 DDS-版本兼容性:DDS各版本聚合操作说明

时间：2025-01-23 17:20:56

文档数据库服务 DDS 兼容性说明

DDS各版本聚合操作说明

表2 聚合操作的兼容性列表
算子	DDS 4.0版本	DDS 4.2版本	DDS 4.4版本	DDS 5.0版本	社区版MongoDB 4.2版本	社区版MongoDB 4.4版本	社区版MongoDB 5.0版本
$sin	√	√	√	√	√	√	√
$cos	√	√	√	√	√	√	√
$tan	√	√	√	√	√	√	√
$asin	√	√	√	√	√	√	√
$acos	√	√	√	√	√	√	√
$atan	√	√	√	√	√	√	√
$atan2	√	√	√	√	√	√	√
$asinh	√	√	√	√	√	√	√
$acosh	√	√	√	√	√	√	√
$atanh	√	√	√	√	√	√	√
$degreesToRadians	√	√	√	√	√	√	√
$radiansToDegrees	√	√	√	√	√	√	√
$round	√	√	√	√	√	√	√
$trunc	√	√	√	√	√	√	√
$regexFind	√	√	√	√	√	√	√
$regexFindAll	√	√	√	√	√	√	√
$regexMatch	√	√	√	√	√	√	√
$merge	√	√	√	√	√	√	√
$planCacheStats	×	×	×	×	√	√	×
$replaceWith	√	√	√	√	√	√	√
$set	√	√	√	√	√	√	√
$unset	√	√	√	√	√	√	√
NOW	√	√	√	√	√	√	√
CLUSTER_TIME	√	√	√	√	√	√	√
findAndModify	√	√	√	√	×	√	√
update	√	√	√	√	√	√	√
$accumulator	√	√	√	√	×	√	√
$binarySize	√	√	√	√	×	√	√
$bsonSize	√	√	√	√	×	√	√
$first	√	√	√	√	×	√	√
$function	√	√	√	√	×	√	√
$last	√	√	√	√	×	√	√
$isNumber	√	√	√	√	×	√	√
$replaceOne	√	√	√	√	×	√	√
$unionWith	√	√	√	√	×	√	√
$dateAdd	×	×	√	√	×	×	√
$dateSubtract	×	×	√	√	×	×	√
$dateDiff	×	×	√	√	×	×	√
$dateTrunc	×	×	√	√	×	×	√
$rand	×	×	×	√	×	×	√
$sampleRate	×	×	×	√	×	×	√
$getField	×	×	√	√	×	×	√
$setField	×	×	√	√	×	×	√
$unsetField	×	×	√	√	×	×	√
$setWindowFields	×	×	×	√	×	×	√
let	×	×	×	√	×	×	√
$expr (利用索引)	×	×	×	×	×	×	√
$ifNull	×	×	×	√	×	×	√