COMMENT ON VIEW
Adds, revises, or removes a comment on a view.
Adds, revises, or removes a comment on a view. Each object can have one comment. Comments are stored in the system table
COMMENTS
.
Syntax
COMMENT ON VIEW [[database.]schema.]view IS { 'comment' | NULL }
Parameters
[
database
.]
schema
Database and schema. The default schema is
public
. If you specify a database, it must be the current database.view
- The name of the view with which to associate the comment.
comment
- Specifies the text of the comment to add. If a comment already exists for this view, this comment overwrites the previous one.
Comments can be up to 8192 characters in length. If a comment exceeds that limitation, Vertica truncates the comment and emits a message.
NULL
- Removes an existing comment.
Privileges
Non-superuser: object owner
Examples
The following example adds a comment from the curr_month_ship
view:
=> COMMENT ON VIEW curr_month_ship IS 'Shipping data for the current month';
The following example removes a comment from the curr_month_ship
view:
=> COMMENT ON VIEW curr_month_ship IS NULL;