REFRESH MATERIALIZED VIEW

Function

REFRESH MATERIALIZED VIEW refreshes materialized views in full refresh mode.

Precautions

Full refreshing can be performed on both full and incremental materialized views.
To refresh a materialized view, you must have the SELECT permission on the base table.

Syntax

REFRESH MATERIALIZED VIEW mv_name;

Parameter Description

mv_name
Name of the materialized view to be refreshed.

Examples

-- Create an ordinary table.
openGauss=# CREATE TABLE my_table (c1 int, c2 int);
-- Create a full materialized view.
openGauss=# CREATE MATERIALIZED VIEW my_mv AS SELECT * FROM my_table;
-- Create an incremental materialized view.
openGauss=# CREATE INCREMENTAL MATERIALIZED VIEW my_imv AS SELECT * FROM my_table;
-- Write data to the base table.
openGauss=# INSERT INTO my_table VALUES(1,1),(2,2);
-- Fully refresh the full materialized view my_mv.
openGauss=# REFRESH MATERIALIZED VIEW my_mv;
-- Fully refresh the incremental materialized view my_imv.
openGauss=# REFRESH MATERIALIZED VIEW my_imv;