Document PERMANENT flag for pause/resume MV (#578)

Author: yl-lisen

docs/sql-system-pause.md

@@ -3,12 +3,16 @@
 ## SYSTEM PAUSE MATERIALIZED VIEW
 
 ```sql
-SYSTEM PAUSE MATERIALIZED VIEW mv
+SYSTEM PAUSE MATERIALIZED VIEW <mv> [PERMANENT]
 ```
-Materialized views are long-running queries. In some cases, you may want to pause the query so that no more data is sent to the downstream. You can unpause the materialized view later. Please avoid restarting the server when the materialized view is paused.
+
+Materialized views are long-running queries. In some cases, you may want to pause the query so that no more data is sent to the downstream. You can resume the materialized view later. Note: Without the PERMANENT flag, paused views will automatically resume after a service restart.
+
+`PERMANENT` (Optional) - Keeps the paused state after a service restart; without it, the view resumes automatically on restart.
 
 ## SYSTEM PAUSE TASK
 
 ```sql
 SYSTEM PAUSE TASK task;
 ```
+

docs/sql-system-resume.md

@@ -3,10 +3,12 @@
 ## SYSTEM RESUME MATERIALIZED VIEW
 
 ```sql
-SYSTEM RESUME MATERIALIZED VIEW mv
+SYSTEM RESUME MATERIALIZED VIEW <mv> [PERMANENT]
 ```
 
-Materialized views are long-running queries. In some cases, you may want to pause the query so that no more data is sent to the downstream. Then resume the materialized view later. Please avoid restarting the server when the materialized view is paused.
+Materialized views are long-running queries. In some cases, you may want to pause the query so that no more data is sent to the downstream, then resume the materialized view later. Please avoid restarting the server when the materialized view is paused.
+
+`PERMANENT` (Optional) - Resumes the view persistently so it remains running after a service restart; without it, the resume is temporary and any previous permanent pause state will be restored on restart.
 
 This command is only available in Timeplus Enterprise v2.7.0 or above. In earlier versions, you can use `SYSTEM UNPAUSE MATERIALIZED VIEW` to resume the materialized view.