postgres=# CREATE OR REPLACE FUNCTION tri_foo_func() RETURNS TRIGGER AS $$ BEGIN REFRESH MATERIALIZED VIEW mvfoo; RETURN NULL; END; $$ LANGUAGE plpgsql; 由于我们将要创建的是一个AFTER触发器, 所以函数返回NULL即可 创建AFTER触发器自身 CREATE TRIGGER tri_foo AFTER INSERT OR UPDATE OR DELETE ON f...
createorreplacefunctiontri_tableName_mview_func()returnstriggeras$$declarebeginrefresh materializedviewconcurrently tableName_mviewwithdata;returnnull;end; $$languageplpgsql;createtriggertri_tableName_idu afterinsertorupdateordeleteontableNameforeachstatementexecuteproceduretri_tableName_mview_func(); 感谢各位...
In addition to building the materialized view, Postgres will have to rebuild the index from scratch. Depending on data size, this can be a pretty long operation. Concurrent (non-locking) refresh This refresh will update the materialized view without locking the table, letting you read currently ...
在doris_sql_audit上创建一个名为t_select_counts_per_min的物化视图,该物化视图主要是来分析每秒的查询次数。 CREATE materialized view t_select_counts_per_min as SELECT time , sum(is_query) select_counts FROM doris_sql_audit GROUP BY time 1. 5.2查看物化视图 使用desc doris_sql_audit all来查看do...
GRANT UPDATE, DELETE, INSERT, SELECT ON TABLE "GPO".count_perion_days_lottery_201912 TO "GPO_agent"; GRANT UPDATE, INSERT, SELECT, DELETE ON TABLE "GPO".count_perion_days_lottery_201912 TO "GPO_member"; GRANT SELECT ON TABLE "GPO".count_perion_days_lottery_201912 TO "MylIZ8UUIFO7KZ...
The server doesn't allow an INSERT, UPDATE, or DELETE on a view. Permissions of the view owner determine access to tables referenced in the view. The user of a view must have permissions to call all functions the view uses. For more information about the Postgres R...
不过您不需要总是重组数据。在一些情况下,您可以加一些基于index的函数。还可以通过tsvector_update_trigger(...)或者tsvector_update_trigger_column(...)来重组数据。查看文档来获取更多细节。另外如果可以接受短暂延迟的话。用Materialized View是一个不错的选择。
Avoid the need to grant superuser privileges by using the pg_maintain role for VACUUM, ANALYZE, CLUSTER, REFRESH MATERIALIZED VIEW, REINDEX, and LOCK TABLE; alternatively, MAINTAIN privilege can be granted to users on a table Make TLS connections without a network round trip negotiation ALTER SYS...
0.4.4 2022-01-26 9807 Update connector fields title/description 0.4.3 2022-01-24 9554 Allow handling of java sql date in CDC 0.4.2 2022-01-13 9360 Added schema selection 0.4.1 2022-01-05 9116 Added materialized views processing 0.4.0 2021-12-13 8726 Support all Postgres types ...
SELECT * FROM user_MVIEW_LOGS ---物化视图 select *from USER_dependencies where type = 'MATERIALIZED VIEW' SELECT GRANTEE, OWNER,TABLE_NAME,GRANTOR FROM USER_TAB_PRIVS ---查询表存储过程的赋权 SELECT DISTINCT GRANTEE, OWNER, TABLE_NAME, GRANTOR FROM USER_COL_PRIVS ...