CREATE STAGE

[BohuTANG]

Summary

Same as snowflake stage:

Internal stage: Stores data files internally within Snowflake
External stage: References data files stored in a location outside of Snowflake, like Amazon S3 buckets

Statement:

CREATE STAGE <stage_name>
[URL = 's3://bucket[/path/]']
CREDENTIALS = ( AWS_KEY_ID = 'string' AWS_SECRET_KEY = 'string' ] )
ENCRYPTION = (MASTER_KEY = 'string')

Tasks:

• Support create/describe stage #2900

[BohuTANG]

This need #3575 done, stage needs the DAL api when reading files from s3.