cloud-fan commented on a change in pull request #27110: [SPARK-30439][SQL]
support NOT NULL in column data type
URL: https://github.com/apache/spark/pull/27110#discussion_r363307865
##########
File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
##########
@@ -160,7 +160,8 @@ statement
UNSET TBLPROPERTIES (IF EXISTS)? tablePropertyList
#unsetTableProperties
| ALTER TABLE table=multipartIdentifier
(ALTER | CHANGE) COLUMN? column=multipartIdentifier
- (TYPE dataType)? (COMMENT comment=STRING)? colPosition?
#alterTableColumn
+ (TYPE dataType (NOT NULL)?)?
Review comment:
It doesn't make sense to update nullability along. The design of the
existing `UpdateColumnType` class also follows this.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
