[DOCS] CREATE DOMAIN should also include an example of use with functions

The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/9.6/static/sql-createdomain.html Description: The documentation of CREATE DOMAIN currently describes how optional constraints can be useful for the fields of a table. There is no mention of f

[DOCS] Cross-references between DOMAIN and POLICY

The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/9.6/static/sql-createpolicy.html Description: Domains and row level policies are similar in the definition of a constraint with a CHECK expression. There should be a mention of domains on th

[DOCS] SET CONSTRAINTS ALL IMMEDIATE affects SET TRANSACTION READ ONLY

The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/9.1/static/sql-set-constraints.html Description: We found that normally, if you execute SET TRANSACTION READ ONLY, it prevents COMMIT from happening if any data has been changed in the transa