Procedural code automatically executed in response to a database event.

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494 views

PostgreSQL 9.3: Primary key violated by a trigger INSERT

My problem Consider a table t with many frequent updates from users, from which only the last few are relevant. In order to keep the table size reasonable, whenever a new row is inserted old rows ...
3
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2answers
120 views

How to tell what invoked a trigger in SQL Server?

I'm working on a legacy SQL Server application, with close to 3,000 tables and more than 10,000 stored procedures. One of those stored procedures is deleting some needed data from a table. I don't ...
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1answer
199 views

sql expiry date use Trigger OR Schedule a Job

I have this table : Now, i like the way when the date expires. EndTime < GETDATE() expire field is true. What method should I use? use a trigger to true or a schedule job that run before run ...
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1answer
91 views

Trigger on a Schema

Is it possible to create a Trigger on a Schema? I have to audit the changes on my tables. But I have a lot of tables and I don't one to create a trigger on them one by one. --Database level trigger. ...
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1answer
3k views

Oracle Triggers - Before Update and Before Insert - Separate or Combined?

I'm running Oracle DB 9i. I have a table with various constraints to ensure data integrity. In addition to the constraints, I have triggers on BEFORE INSERT and BEFORE UPDATE to ensure that ...
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2answers
549 views

MySQL Syntax Error When Creating a Trigger

I am trying to create a trigger but I am getting a syntax error and I am not really sure why I am. CREATE TRIGGER Section_Insert AFTER INSERT ON Section -> FOR EACH ROW BEGIN -> INSERT ...
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1answer
106 views

Can triggers be used to implement automated polymorphic association?

(Apologies for any bad formatting or ignorance of common practices within this community; this is my first question here.) I'm attempting to (re)design a MySQL database for a personal social ...
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1answer
125 views

Use of Trigger After a Transaction

I have a scenario where there is a transaction being executed to update a few tables. On one of these tables there is a trigger that accesses the data on those tables, but is only planned to be on ...
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2answers
492 views

Dynamic permissions

I have a application that creates tables in one user's schema and another user needs to be able to use the dynamically created tables. Example: Application creates User1.RandomTable User2 needs ...
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1answer
134 views

How to create trigger with NOT FOR REPLICATION

I tried adding "NOT FOR REPLICATION " in many parts in the below code but ended up in the below code. I searched a lot for an example where I can see how its done with a trigger. Can any one show me ...
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1answer
844 views

ALTER TABLE AUTO_INCREMENT number in a Trigger

I want to have my auto increment column to increment by step of 3 upon insert. Can I do something like: Alter table `mytable` auto_increment = (select max(id) from mytable) + 3; in a Trigger? I ...
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2answers
146 views

[SOLVED]The right syntax for handling an UPDATE trigger and logging what happened per column?

SOLVED The users table: CREATE TABLE `users` ( `id` int(8) unsigned NOT NULL AUTO_INCREMENT, `email` varchar(45) DEFAULT NULL, `username` varchar(16) DEFAULT NULL, `salt` varchar(16) DEFAULT ...
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1answer
71 views

Mutating Error , How to solve it

CREATE OR REPLACE TRIGGER LOAN_RP AFTER INSERT OR UPDATE ON FUND_DISBURSE REFERENCING NEW AS NEW OLD AS OLD FOR EACH ROW DECLARE V_FA FUND_DISBURSE.FUND_AMT%TYPE; V_RC NUMBER (10); ...
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0answers
433 views

Postgresql trigger - get all changed rows after transaction

I have invoice_item table and invoice table. I need to check total price of Order after each transaction. Since I still want to be able to change things, I need trigger after each transaction. CREATE ...
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1answer
91 views

Inhibit SQL Server trigger execution

A table with various prices per item have a trigger that will update price 3 when price 0 is changed. The ERP that uses this database has a utility that when run updates the database with ...
2
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1answer
84 views

Rewrite sqlite trigger to postgresql

Can you help me please with this problem? I need rewrite this simply trigger from sqlite to PostgreSQL format: In sqlite: CREATE TRIGGER connections_INSERT_update_connection_root_trg ...
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1answer
549 views

Why do I get error 1054 using trigger on INSERT saying that column isn't on the field list?

I am trying to write a Trigger to register every new inserted genre into a news table. Here are the tables definitions. They are only two, GENEROS & NOVEDADES. This is the trigger: CREATE ...
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2answers
99 views

how should i do this trigger?

I am a newbie to the sql world :) Right now i'm trying to create my first mysql trigger that would either update a row or insert a new one. Could you help me with that ? Here is the code : DELIMITER ...
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3answers
3k views

how to create backup for stored procedure,trigger and functions of a database in sql server 2008?

I'm having 2 databases in 2 different servers(.246 and .252). I need to create backup for all stored procedures, triggers and function from 252 server and restore it in 246 server.database name in ...
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1answer
3k views

How to perform a while loop on the query result

I created a trigger AFTER an UPDATE of a column in a MySQL database. When the trigger detects a certain value, it should perform some actions. This is what I have at the moment and is working fine. ...
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1answer
143 views

How to support multiple updates in this trigger?

Below is the code of a trigger, basically it calls a function in case the record that is being updated does not have other row associated by it's Id in another table. In a multiple row update this ...
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1answer
850 views

Does the Inserted table contain Identity values?

I have an issue with this AFTER INSERT trigger that I'm using for auditing: Cannot insert the value NULL into column 'TermID', table 'AuditTerms'; column does not allow nulls. INSERT fails. ...
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0answers
33 views

Preventing unique key constraint violation when pre-existing row has 'expired' [duplicate]

I have the following table schema; CREATE TABLE LOCKS ( lock_uid INTEGER NOT NULL, file_uid VARCHAR2(32 char) NOT NULL UNIQUE, owner VARCHAR2(255 char) NOT NULL, expires DATE NOT ...
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0answers
290 views

How to avoid locking problems while disabling/enabling triggers in a PostgreSQL function?

Whenever I try to disable a trigger from within a function, I get following error: ERROR: cannot ALTER TABLE "datace" because it is being used by active queries in this session It seems logical ...
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1answer
37 views

Trying to get this MySQL Trigger working

create trigger check_td before for each row begin declare v_code_ID varchar(25); declare c_Worker1 cursor for select code_ID from Worker1; declare c_Worker2 cursor for select code_ID from Worker2; ...
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1answer
590 views

Intentionally recursive instead of insert trigger does not want to nest

I have been struggling to get an instead of trigger to recursively call itself. The idea is that when a row gets inserted into my table the trigger is placed on, based upon certain conditions ...
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2answers
6k views

Trigger to audit table changes

I have created a trigger to audit changes to a table: CREATE TRIGGER [dbo].[iudt_AutoAuditChanges] ON dbo.CPTCategoryMaster AFTER INSERT,DELETE,UPDATE AS BEGIN SET NOCOUNT ON; ...
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3answers
194 views

Mysql to Oracle communication

I have a website running with php and mysql on Centos(Amazon instance). The newly brought ERP(to be integrated with existing system) uses Oracle as db(located on a separate Windows Server). The orders ...
5
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1answer
471 views

What is the correct way to ensure unique entries in a temporal database design?

I'm having trouble with the design of a temporal database. I need to know how to make sure I have only one active record for any given timeframe for a store. I have read this answer, but I'm afraid I ...
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1answer
9k views

Trigger to update a date field on one table when another table is updated

I want to be able to update a date filed in one table when another table is updated. I have the following two tables: Transdetails, Customers. In the Customers table I have a field called ...
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0answers
206 views

Storing changes to stored procedure and triggers in PostgreSQL

I want a mechanism where I can store/track changes in stored procedure and triggers. I want to track these logs in some table. What is the best possible way ?
2
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1answer
201 views

Do triggers affect DB performance

I have a database with 250 small and medium sized tables. These tables are related with both MyISAM and InnoDB storage engines. There are multiple triggers that have been created on different tables. ...
2
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4answers
108 views

Trigger or Stored Procedure?

Let's say I have two tables, foo and bar: CREATE TABLE foo( foo_id serial NOT NULL, count integer NULL, PRIMARY KEY(foo_id) ); CREATE TABLE bar( bar_id serial NOT ...
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1answer
281 views

Access table field on creating a trigger postgresql

How can I access table field on creating a trigger? CREATE TRIGGER foo_trigger AFTER INSERT OR UPDATE OR DELETE ON foo FOR EACH ROW EXECUTE PROCEDURE proc(foo.field);//here goes the parameter
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0answers
201 views

Problem with a trigger (Oracle 11gR2)

I converted the trigger into a "Compound" trigger; this is my first attempt using a compound trigger. Here is my new code: --select * from user_errors; CREATE OR REPLACE TRIGGER ai_fin_transaction ...
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3answers
495 views

Mysql trigger not working, syntax issues

I have this trigger CREATE TRIGGER checkcollision AFTER UPDATE ON players BEGIN SELECT RAISE(ABORT, 'collision') FROM walls WHERE NEW.x=x AND NEW.y=y; END; mysql 5.1.72-0ubuntu0.10.04.1 ...
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1answer
1k views

I have an INSTEAD OF trigger, but PostgreSQL still complains while I insert into view

I have created a view and an INSTEAD OF trigger for inserting/ updating/ deleting from that view. Now I have tried to insert some data to the view, and PostgreSQL returns following error (translation ...
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1answer
1k views

Synchronization using triggers

I have a requirement similar to previous discussions at: Writing a simple bank schema: How should I keep my balances in sync with their transaction history? Trigger in combination with transaction ...
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0answers
35 views

What is the story about Oracle CREATE TRIGGER … CALL syntax?

I was able to use the CREATE TRIGGER ... CALL SOMEPROCEDURE; syntax but I'm a little bewildered about it. I expected to see some implicit arguments like TABLE%ROWTYPE new but that doesn't seem to be ...
3
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1answer
278 views

Is it possible to return a custom error for a logon trigger?

I'm trying to get a logon trigger to return a custom error. Thus far everything I have tried causes it to return the standard error: My trigger looks like this: CREATE TRIGGER Test_Logon_Trigger ...
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0answers
81 views

How to update Status using IF Condition in Mysql trigger

I'm trying to write an update trigger that will Design_Update_Status to Customized when a date is entered in Custom_Design_Update_Date field and if nothing is entered that field it should update ...
2
votes
1answer
383 views

How should I limit a table to N rows, discarding oldest?

I have a SQL Server table which I use to store events. I only want the table to contain the 1000 most recently added rows, when row 1001 is inserted, row 1 should be deleted. I have both a ...
3
votes
1answer
354 views

How to reuse an update trigger for multiple tables in postgresql?

In the database for a new project, I've started the convention of having each table have a last modified timestamp column. To implement this, I wrote a trigger for each table: CREATE TRIGGER ...
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0answers
69 views

How to analyze incoming DML in SQL Server 2005?

I have database and specifically one table that is used for batch data transfer from another organization. With each run the table is truncated and rows are re-inserted. I want to handle that process ...
0
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1answer
122 views

How to ensure a trigger is fired after variable number of inserts?

I have a 1:N relationship between two tables - let's call them "foo" (the parent table) and "bar". I have some triggers on both "foo" and "bar" tables. I insert data in a single transaction, first to ...
4
votes
1answer
229 views

Can't update trigger because of activity

Trying to add a line to a trigger that is attached to a table that is constantly in use ALTER TRIGGER [dbo].[name_of_trigger] ON [dbo].[name_of_table] AFTER UPDATE BEGIN IF ORIGINAL_LOGIN() in ...
5
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1answer
798 views

How to access NEW or OLD field given only the field's name?

I'm writing a validation trigger. The trigger must validate that the sum of an array equals another field. Since I have many instances of this validation, I want to write a single procedure and create ...
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27 views

Any possible solution for triggers associated with a table which is renamed to new name as trigger code still points to old table name

If there are any triggers associated with a table which is renamed to new name as trigger code still points to old table name As mysql document it says statement fails with the error Trigger in ...
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2answers
327 views

Basic trigger in PL/pgSQL, to flip a boolean field if another field has text

I want a BOOLEAN field to be set to TRUE when a sibling TEXT field is set to a non-empty string. Vice versa, the BOOLEAN is set to FALSE when TEXT field is set to empty string. The following function ...
0
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3answers
282 views

How to autoincrement Prod_id based on Product_Name using trigger in mysql

Product_Details table : (Fields) Prod_id(Primary key), Product_Name, Prefix and Slno(Auto incremented) i need to increment Prod_Id based on the product name field and prefix field (Input will be ...