Describe the bug

The response of MongoDB is inconsistent wrt to SQL databases if the schema has links of type array. When the nested table doesn't have any rows/documents in it. The response returned is different

Expected behaviour

Actual behaviour

Steps to reproduce

• Fire the query & observer the result

link table as array
if nested table has no rows, postgres 

Location

• Browser
• CLI
• API
• Documentation

Motivation

Connecting to AWS RDS is complicated without a step-by-step guide unique to Porter.

Requirements

• Document how to set up the RDS instance if it doesn't exist.
• Document how to connect to the RDS instance from the same VPC.
• Document how to configure VPC peering if an RDS instance already exist

Is your feature request related to a problem? Please describe.

Now our component revision is automatically generated with incremental number. It has some drawbacks:

1. Real users has their own version standard, some version number is business related. They hope the version in kubvela can match with their own revision. So they can have end to end consistency.
2. Users need to apply appli

$ minishift status
Minishift:  Running
Profile:    minishift
OpenShift:  Stopped
DiskUsage:  ERR of

perhaps this is related to the error state from the OpenShift isRunning check

1、当没有API文档时的空数据提示
2、当没有搜索到API文档时的空数据提示