how to convert a date into timestamp in spring mongo aggregation
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I want to know how to convert these mongo cell query into spring mongo query
{$addFields:{"creationTime":{$toLong:"$creationTime"}}}
or
{ "$group" : { "_id" : "$id","timestamp" : { "$push" : {$toLong:"$creationTime" }} } }
mongodb kotlin spring-data aggregation-framework spring-mongo
asked Nov 16 '18 at 10:53
jogendrajogendra
967
add a comment |
0
I want to know how to convert these mongo cell query into spring mongo query
{$addFields:{"creationTime":{$toLong:"$creationTime"}}}
or
{ "$group" : { "_id" : "$id","timestamp" : { "$push" : {$toLong:"$creationTime" }} } }
mongodb kotlin spring-data aggregation-framework spring-mongo
asked Nov 16 '18 at 10:53
jogendrajogendra
967
i found one way using below convrtor and then use projection var c=ConvertOperators.ConvertOperatorFactory("creationTime").convertToLong() var projectionOperation= Aggregation.project().and(c).as("creationTime")
– jogendra
Nov 16 '18 at 11:26
spring-mongodbdoes not not support such expressions "directly" within a$group. You either do a separateproject()first as you discovered, or construct a custom aggregation stage directly without "helpers". One such example of the latter
– Neil Lunn
Nov 18 '18 at 23:08
add a comment |
0
0
0
I want to know how to convert these mongo cell query into spring mongo query
{$addFields:{"creationTime":{$toLong:"$creationTime"}}}
or
{ "$group" : { "_id" : "$id","timestamp" : { "$push" : {$toLong:"$creationTime" }} } }
mongodb kotlin spring-data aggregation-framework spring-mongo
asked Nov 16 '18 at 10:53
jogendrajogendra
967
I want to know how to convert these mongo cell query into spring mongo query
{$addFields:{"creationTime":{$toLong:"$creationTime"}}}
or
{ "$group" : { "_id" : "$id","timestamp" : { "$push" : {$toLong:"$creationTime" }} } }
mongodb kotlin spring-data aggregation-framework spring-mongo
mongodb kotlin spring-data aggregation-framework spring-mongo
asked Nov 16 '18 at 10:53
jogendrajogendra
967
asked Nov 16 '18 at 10:53
jogendrajogendra
967
edited Nov 16 '18 at 11:24
jogendra
asked Nov 16 '18 at 10:53
jogendrajogendra
967
asked Nov 16 '18 at 10:53
jogendrajogendra
967
asked Nov 16 '18 at 10:53
jogendrajogendra
967
967
i found one way using below convrtor and then use projection var c=ConvertOperators.ConvertOperatorFactory("creationTime").convertToLong() var projectionOperation= Aggregation.project().and(c).as("creationTime")
– jogendra
Nov 16 '18 at 11:26
spring-mongodbdoes not not support such expressions "directly" within a$group. You either do a separateproject()first as you discovered, or construct a custom aggregation stage directly without "helpers". One such example of the latter
– Neil Lunn
Nov 18 '18 at 23:08
add a comment |
i found one way using below convrtor and then use projection var c=ConvertOperators.ConvertOperatorFactory("creationTime").convertToLong() var projectionOperation= Aggregation.project().and(c).as("creationTime")
– jogendra
Nov 16 '18 at 11:26
spring-mongodbdoes not not support such expressions "directly" within a$group. You either do a separateproject()first as you discovered, or construct a custom aggregation stage directly without "helpers". One such example of the latter
– Neil Lunn
Nov 18 '18 at 23:08
i found one way using below convrtor and then use projection var c=ConvertOperators.ConvertOperatorFactory("creationTime").convertToLong() var projectionOperation= Aggregation.project().and(c).
as("creationTime")– jogendra
Nov 16 '18 at 11:26
i found one way using below convrtor and then use projection var c=ConvertOperators.ConvertOperatorFactory("creationTime").convertToLong() var projectionOperation= Aggregation.project().and(c).
as("creationTime")– jogendra
Nov 16 '18 at 11:26
spring-mongodb does not not support such expressions "directly" within a $group. You either do a separate project() first as you discovered, or construct a custom aggregation stage directly without "helpers". One such example of the latter– Neil Lunn
Nov 18 '18 at 23:08
spring-mongodb does not not support such expressions "directly" within a $group. You either do a separate project() first as you discovered, or construct a custom aggregation stage directly without "helpers". One such example of the latter– Neil Lunn
Nov 18 '18 at 23:08
add a comment |
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i found one way using below convrtor and then use projection var c=ConvertOperators.ConvertOperatorFactory("creationTime").convertToLong() var projectionOperation= Aggregation.project().and(c).
as("creationTime")– jogendra
Nov 16 '18 at 11:26
spring-mongodbdoes not not support such expressions "directly" within a$group. You either do a separateproject()first as you discovered, or construct a custom aggregation stage directly without "helpers". One such example of the latter– Neil Lunn
Nov 18 '18 at 23:08