THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
But these features are not very complete compared with other popular engines such as spark, presto. And these improved features are very useful for users or developers.
show | Support or Not |
Support filter or Not | ||
show tables | Yes | Yes |
show columns | Yes | Yes |
show catalogs | Yes | No |
show databases | Yes | No |
show functions | Yes | No |
show views | Yes | No |
show modules | Yes | No |
show jars | Yes | No |
show jobs | Yes |
No
show create table
No
Not Applicable
show create view
No
Not Applicable
No |
We can see current flink many sql statements only support showing with full datas, without 'FROM/IN' or 'LIKE' filter clause. And current flink lack some abilities such as `show create table`, `show create view`, `show create function`.
describe | Support or Not |
describe database | No |
describe table | Yes |
describe function | No |
describe query | No |
current flink only supports describing tables.
...