COMMENT ON PROJECTION
Adds, revises, or removes a comment on a projection.
Adds, revises, or removes a comment on a projection. Each object can have one comment. Comments are stored in the system table
COMMENTS.
Dropping an object drops all comments associated with the object.
Syntax
COMMENT ON PROJECTION [[database.]schema.]projection IS { 'comment' | NULL }
Parameters
[database.]schemaDatabase and schema. The default schema is
public. If you specify a database, it must be the current database.projection- The name of the projection associated with the comment.
comment- Specifies the text of the comment to add. If a comment already exists for this projection, the comment you enter here overwrites the previous comment.
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 to the customer_dimension_vmart_node01 projection:
=> COMMENT ON PROJECTION customer_dimension_vmart_node01 IS 'Test data';
The following example removes a comment from the customer_dimension_vmart_node01 projection:
=> COMMENT ON PROJECTION customer_dimension_vmart_node01 IS NULL;