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https://issues.apache.org/jira/browse/AURORA-1991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Renan DelValle resolved AURORA-1991.
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Resolution: Fixed
Assignee: Ezequiel Torres
Fix Version/s: 0.21
> TaskEvents in API Thrift should have optional parameters
> --------------------------------------------------------
>
> Key: AURORA-1991
> URL: https://issues.apache.org/jira/browse/AURORA-1991
> Project: Aurora
> Issue Type: Bug
> Components: Client
> Affects Versions: 0.19.1
> Reporter: Ezequiel Torres
> Assignee: Ezequiel Torres
> Priority: Minor
> Fix For: 0.21
>
>
> h1. *+What?+*
> Struct
> [TaskQuery|https://git-wip-us.apache.org/repos/asf?p=aurora.git;a=blob;f=api/src/main/thrift/org/apache/aurora/gen/api.thrift;h=7265b11103aa12743c42355163ae64e98e965d7f;hb=HEAD#l579]
> should have optional parameters in order to be able to be used in languages
> like Go where types does not have a null value by default.
> The following is the autogenerated code created by Thrift with optional
> parameters and without optional parameters in Golang:
> +*_Without Optional Parameters_*+
> {code}
> type TaskQuery struct {
> // unused field # 1
> JobName string `thrift:"jobName,2" json:"jobName"`
> // unused field # 3
> TaskIds map[string]bool `thrift:"taskIds,4" json:"taskIds"`
> Statuses map[ScheduleStatus]bool `thrift:"statuses,5" json:"statuses"`
> // unused field # 6
> InstanceIds map[int32]bool `thrift:"instanceIds,7" json:"instanceIds"`
> // unused field # 8
> Environment string `thrift:"environment,9" json:"environment"`
> SlaveHosts map[string]bool `thrift:"slaveHosts,10" json:"slaveHosts"`
> JobKeys map[*JobKey]bool `thrift:"jobKeys,11" json:"jobKeys"`
> Offset int32 `thrift:"offset,12" json:"offset"`
> Limit int32 `thrift:"limit,13" json:"limit"`
> Role string `thrift:"role,14" json:"role"`
> }
> {code}
> _*+With Optional Parameters+*_
> {code}
> type TaskQuery struct {
> // unused field # 1
> JobName *string `thrift:"jobName,2" json:"jobName"`
> // unused field # 3
> TaskIds map[string]bool `thrift:"taskIds,4" json:"taskIds"`
> Statuses map[ScheduleStatus]bool `thrift:"statuses,5" json:"statuses"`
> // unused field # 6
> InstanceIds map[int32]bool `thrift:"instanceIds,7" json:"instanceIds"`
> // unused field # 8
> Environment *string `thrift:"environment,9" json:"environment"`
> SlaveHosts map[string]bool `thrift:"slaveHosts,10" json:"slaveHosts"`
> JobKeys map[*JobKey]bool `thrift:"jobKeys,11" json:"jobKeys"`
> Offset *int32 `thrift:"offset,12" json:"offset"`
> Limit *int32 `thrift:"limit,13" json:"limit"`
> Role *string `thrift:"role,14" json:"role"`
> }
> {code}
> It can be seen that with an optional parameters like JobName, Role and
> Environment now can be set with a null value
> h1. *+Why?+*
> With the current structure of the TaskQuery object, it is not possible to
> make queries without explicitly setting all the fields of the TaskQuery
> object in Golang. Moreover, the lack of a null value in the structure of the
> TaskQuery object limits the type of queries that can be obtained from the
> Aurora Thrift API in Golang since a parameter cannot be skipped.
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