DO — execute an anonymous code block
DO [ LANGUAGE
DO executes an anonymous code
block, or in other words a transient anonymous function in a
The code block is treated as though it were the body of a
function with no parameters, returning
void. It is parsed and executed a single time.
LANGUAGE clause can be
written either before or after the code block.
The procedural language code to be executed. This must be
specified as a string literal, just as in
CREATE FUNCTION. Use of a dollar-quoted literal is
The name of the procedural language the code is written in. If
omitted, the default is
The procedural language to be used must already have been
installed into the current database by means of
plpgsql is installed by default, but other
languages are not.
The user must have
for the procedural language, or must be a superuser if the language
is untrusted. This is the same privilege requirement as for
creating a function in the language.
Grant all privileges on all views in schema
public to role
DO $$DECLARE r record; BEGIN FOR r IN SELECT table_schema, table_name FROM information_schema.tables WHERE table_type = 'VIEW' AND table_schema = 'public' LOOP EXECUTE 'GRANT ALL ON ' || quote_ident(r.table_schema) || '.' || quote_ident(r.table_name) || ' TO webuser'; END LOOP; END$$;
There is no
DO statement in the SQL
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