Immediate refresh of the cache read-only with autorefresh incremental on group

I work with a group of read-only cache that was created like this:

Create group readonly TT_SOME_TABLE cache
AutoRefresh
differential mode
interval milliseconds 300000
State on
Of
() UNE_TABLE
SOME_COL_1 NUMBER (11),
SOME_COL_2 CHAR (1),
SOME_COL_3 varchar (8) inline non-null,.
PRIMARY KEY (SOME_COL_1));

In normal use, the auto-refresh every 300000 milliseconds (5 minutes) is good - but in a particular scenario I want to manually force an immediate update of the Group cache from the command line.

The following two commands in ttIsql do the trick:

command > alter cache group tt_some_table set autorefresh State suspended;
command > refresh cache group tt_some_table commit all 256 rows.

However, the Refresh command issues a response message "21 cache of the authorities concerned.". This is the total number of lines, oracle holds for une_table, whereas before the update I've only updated 1 row. This makes me think that my manual refresh is not progressive. Am I wrong? On the plus side, the Refresh command switches the autorefresh return State on 'on' which is useful.

Is there a better way to make an immediate update on a group of cache that is normall auto-actualise?. Can be done more?

Manul LOAD / REFRESH is always a complete refresh rather than a differential (they work by different mechanisms). There is no way that I know to force an immediate refresh of incremental. You can try setting the AUTOREFRESH State pause and back to on. That could force an immediate refresh, but I have not tried so I do not know whether there will be.

Chris

Tags: Database

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