PostgreSQL creates a materialized view and refreshes it

1. Create a materialized view

--视图hnqyhxv_person
CREATE  MATERIALIZED  VIEW hnqyhxv_person  TABLESPACE  sys_default  as  
SELECT 
	*
FROM E_PRI_PERSON WHERE LEREPSIGN = '1'

2. Create a view index

--创建索引
CREATE INDEX index_hnqyhxv_person_pripid ON hnqyhxv_person(pripid);

3. Check the index

select * from pg_indexes where tablename = 'hnqyhxv_person'

4. Refresh the materialized view (the view will be locked, and the refresh will be faster)

 

refresh materialized view hnqyhxv_person;

5. Refresh the materialized view (the view will not be locked, and the refresh speed will drop significantly)

refresh materialized view concurrently hnqyhxv_person;