triggers

问题 When i try execute this script, i get an error: ERROR: relation "old" does not exist. Script: update organization set row_status = 30; I found some question like this, but their dont help me. My trigger: Create OR REPLACE function PMigrateDataToHistory() returns trigger as $PMigrateDataToHistory$ begin insert into organization_history select * from OLD; delete from organization as org USING OLD as o where o.id = org.id and o.version = org.version; insert into organization select n.id, n

问题 Working on switching from Flash to a flash player/html5 video player hybrid solution. Using video.js player. I am looking to hide the player and show a div block with javascript upon video finishing. Would anyone know how to trigger this? I have a SWF container and a video container. Anyone have any suggestions? www.friedmanllp.com/home3.php Following code: <div class="video-js-box"> <!-- Using the Video for Everybody Embed Code http://camendesign.com/code/video_for_everybody --> <video id=

问题 I have to call a store procedure at the end of each month, i just need to know how to fire a trigger on an specific date and time to call my stored procedure. Thanks for your time. 回答1: MySQL can't do this. Instead, you should use a cronjob. If you're on a Linux system, you can create a script or program that runs your stored procedure and schedule it for execution using the crontab command. In the command line, writing crontab -e will allow you to edit your cronjobs. In here, you can add 0 5

问题 I try to write my first trigger for a MySQL Database. It should prevent an insert (and later also updates) on " course_student " in context of the current time and the given timestamps in " capacity ", but i'm still getting a syntax error. DELIMITER $$ CREATE TRIGGER checkSubscribeTimeCourse BEFORE INSERT ON course_student REFERENCING NEW AS new FOR EACH ROW BEGIN IF (SELECT COUNT(*) FROM capacity c, course_capacity cc WHERE c.cid = cc.cid AND cc.cid = new.cid AND (c.end >= CURRENT_TIMESTAMP

问题 I've created instead of trigger in server A, in which I call a procedure, which in turn calls other procedure in linked server (server B). Trigger(A) -> Procedure (A) -> Procedure (B) But, when trigger executes it throws following error: OLE DB provider "SQLNCLI11" for linked server "xxx" returned message "The partner transaction manager has disabled its support for remote/network transactions.". Msg 7391, Level 16, State 2, Line 1 The operation could not be performed because OLE DB provider

问题 I am working with postgreSOL. I have a parent table and child table, which inherits the parent table.I create a trigger for the parent table. Is this trigger is propagated to child table? Any possible techniques to inherit the trigger also is available? 回答1: No, it isn't. You should write another trigger for the child table. Based on what your trigger should do, in same situations you can use the trigger on the parent table. For example, that trigger could decide in which table the data

问题 I have table like this id | col1 | col2 I need write trigger so: after inserting or updating column col1 , I need insert (update) same value in column col2 This is my trigger function: CREATE FUNCTION upd () RETURNS TRIGGER AS ' BEGIN UPDATE mytable SET col2 = col1; RETURN NULL; END; ' LANGUAGE plpgsql; and this is self trigger: CREATE TRIGGER upd_trigger AFTER INSERT OR UPDATE ON mytable FOR EACH ROW EXECUTE PROCEDURE upd() This not works because happening cycloning at UPDATE event, right?

问题 I am writing one application where I have a ToggleButton and other few controls on UI. I want to achieve bellow two things when state of ToggleButton is IsChecked . 1) Hide few controls e.g. button1,button2 etc. in below example 2) Change 'Content' of ToggleButton to 'Show' I can achieve point no 2 but don't know how to access other control and set their properties inside a Trigger . My xaml code is shown below: <Grid> <Grid.RowDefinitions> <RowDefinition Height="108*" /> <RowDefinition

问题 I am writing one application where I have a ToggleButton and other few controls on UI. I want to achieve bellow two things when state of ToggleButton is IsChecked . 1) Hide few controls e.g. button1,button2 etc. in below example 2) Change 'Content' of ToggleButton to 'Show' I can achieve point no 2 but don't know how to access other control and set their properties inside a Trigger . My xaml code is shown below: <Grid> <Grid.RowDefinitions> <RowDefinition Height="108*" /> <RowDefinition

问题 I have a Java application which utilises Quartz 1.6.6. It is deployed onto Weblogic, the architecture of which includes two application servers. The application includes a trigger process which runs regularly - once a minute. This is achieved using Spring 3.1.1 (with a org.springframework.scheduling.quartz.SchedulerFactoryBean). I have included a quartz.properties file in the Java application's EAR file with a hope to be able to utilise Quartz's clustering facilities so that the application