Procedural code automatically executed in response to a database event.

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180 views

Cannot delete MySQL trigger. Appears in information_schema, but no .TRN file

I have a MySQL database with a few tables and triggers. A process was trying to drop one of the triggers and it failed with the following error: Malformed file type header in file 'trigger_name.TRN' ...
2
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1answer
150 views

MySQL stored procedure updates twice

I have this stored procedure: DELIMITER $$ CREATE PROCEDURE updateTrendContentStats(IN mongoid VARCHAR(255),IN numericid INT,IN points INT,IN ctype INT,IN activity INT,IN created INT) BEGIN DECLARE ...
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2answers
726 views

SQL Server : trigger FOR DELETE

I want to create a trigger, which does not delete a customer if his name is Peter. How can I do that? CREATE TRIGGER trgCUSTOMER ON customer FOR DELETE AS BEGIN IF (SELECT name FROM deleted) not ...
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1answer
259 views

MySQL trigger after insert with insert and delete instructions does not work properly

I have the following trigger created in phpMyAdmin: Table: tb_agenda Time: AFTER Event: INSERT BEGIN INSERT INTO tb_realizacao (dt_agenda, titulo, ...
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0answers
201 views

Mysql Trigger use inserted value as column name for update After Insert

I have 2 tables: One for storing order_products and another one for keeping inventory levels for multiple stores The order_products table keeps the ID for the store in the store_id column. ...
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3answers
209 views

Will an update in my trigger trigger itself? Oracle PLSQL

Here's my PLSQL trigger: CREATE OR REPLACE TRIGGER ROOT_CHANGING_TRG BEFORE UPDATE OF ROOT_ID,PARENT_PHYS_ID ON UNIQUE_PHYSICIAN FOR EACH ROW DECLARE var_root number := :new.ROOT_ID; var_par number ...
4
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1answer
143 views

In SQL Server Mgmt Studio, why don't triggers automatically get updated when tables get renamed?

I ran into an issue last week where we renamed a bunch of tables in a SQL Server and it broke a bunch of triggers. I would have though SQL Server Mgmt Studio would have been smart enough to update ...
1
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1answer
49 views

inserting the table colomn data in multiple tables colomn.(SQL SERVER) [closed]

I want to insert one table colomn data into multiple tables colomns using triggers. For Example: I have one table name 'T1' having multiple colomns like 'C1','C2','C3' and now I want to insert these ...
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3answers
395 views

How to prevent a PostgreSQL trigger from being fired by another trigger?

I have 2 triggers on one table; one works for INSERTs : CREATE TRIGGER "get_user_name" AFTER INSERT ON "field_data" FOR EACH ROW EXECUTE PROCEDURE "add_info"(); This updates some values in the ...
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2answers
261 views

How to prevent a trigger from running on certain statements?

I'm looking for an answer that satisfies my need on both SQL Server and MySQL. I have a small, custom audit table that I will be writing to through triggers on various tables. There are situations ...
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1answer
651 views

The statement has been terminated

I have a table for which a update stored procedure has been created. For this table I created an update trigger. But when I either execute the stored procedure or execute an update query I am getting ...
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2answers
2k views

PostgreSQL: how do I list all triggers that use a specific field?

for example i have a student table with (studentid) i want to get a list of triggers that use this field... for example if in table X there is a trigger that uses studentid i want it to be shown in ...
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1answer
254 views

how to use trigger to set value based on query result

would appreciate any example on how to set value on the added row based on query results from different table. something like this delimiter | CREATE TRIGGER trigger BEFORE INSERT ON table1 FOR ...
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1answer
2k views

Mysql REPLACE INTO query for Multiple rows insertion

I'm trying to add multiple rows using 'replace into' , but its updating one row. REPLACE INTO user_balance (user_id,acc_type,currency,balance,enable_deposit, ...
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0answers
66 views

Loop through fields on a before-insert trigger?

Here's my table: CREATE TABLE foo ( i_am_pk CHARACTER VARYING(255) PRIMARY KEY NOT NULL, dont_touch_this CHARACTER VARYING(255) NOT NULL, name CHARACTER VARYING(255) NOT NULL, addr CHARACTER ...
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1answer
546 views

Oracle trigger error: table %s.%s is mutating, trigger/function may not see it

I am having some issues while trying to use triggers over tables where I need to get the reference of custom data type from a table. I can't seem to get it to work, here are the scripts I am using ...
2
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1answer
196 views

Trigger Performance - 1 or 2 Triggers?

I have a question about triggers performance. CREATE TABLE [dbo].[_test]( [ID] [INT] IDENTITY(1,1) NOT NULL, [Date] [DATETIME] NULL, [DateYearID] [INT] NULL, [DateQuarterID] [INT] NULL, [Date1] ...
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1answer
416 views

Postgres Partition Table Trigger inserting duplicate records

I have a trigger applied on my database table. But when i insert data into it via hibernate jpa it creates duplicate rows in master table. Here is the trigger CREATE OR REPLACE FUNCTION ...
2
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1answer
44 views

Trigger Logic (from SQL 6.5 )

I have a database that was originally implemented in SQL 6.5 and has been migrated to SQL2000, SQL2005 and now SQL2008R2 (Compatibility Mode = 10). Through the migration many new tables, functions, ...
10
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2answers
130 views

How often will a FOR EACH STATEMENT trigger execute if the operation is caused by an FK constraint with UPDATE CASCADE?

I understand that a trigger on table t defined with FOR EACH STATEMENT will run once when I execute an UPDATE t .... Now, when t is defined with FOREIGN KEY ... REFERENCES a ... ON UPDATE CASCADE, ...
2
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1answer
248 views

Periodically update a table with new records from another server

I have databases on two different servers. I need to regularly retrieve new records from a table on server A, and process them in order to use them to update a table on server B (with a different ...
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62 views

Mysql trigger on insert on another table

I have three tables all three have [product_id] column, what all i want to do is when there is new entry of quantity of respective [product_id] in table A and table B i want show the sum of the ...
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0answers
142 views

Trigger failing when called using sp_executesql

We have a recursive trigger on a table that executes AFTER INSERT. There is a check to ensure the trigger does not recurse more than 32 levels deep: IF(SELECT TRIGGER_NESTLEVEL()) >= 31 ...
0
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1answer
29 views

Use a value for a Postgresql setting in a trigger

We're using a trigger to track changes in various database tables. This works fine. Now we want to be able to track the changes back to the web request that caused them. I'd like to be able to use ...
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2answers
98 views

MySQL Trigger: Can you turn a query updating multiple columns to multiple queries where each update one column?

Here's what I'm trying to archive: use a trigger to divide an update query which updates more than 1 columns into several update query and each of the query updates just 1 columns. For example, the ...
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0answers
32 views

Which technologies should I consider using for creating a calculated view?

I use SQLServer, but I suppose this question is general enough for any type of database. Suppose I wish to build an application that allows people to rate geographic regions on where they would like ...
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1answer
300 views

Unable to update table after creating an After update trigger

I have a table like this /*Table: pageprivilege*/ ------------------------ /*Column Information*/ ---------------------- FIELD TYPE COLLATION NULL KEY DEFAULT Extra ...
0
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1answer
240 views

Scale MySQL trigger for thousands of inserts per seconds

We are using MYSQL database for an Analytics app. I have two table token and token-big (for overview of actual data) both have id(int) unix_starttime(int) unix_endtime(int) details(varchar 256) A row ...
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1answer
158 views

Why Update trigger makes Insertion slow in mysql?

I had create one table, that Table contain Log of meters. Name of that table is "paramgraph_ems" This table contain 1M rows, and insertion per minute is 350 rows. 10 Min takes for inserting 3500 rows. ...
1
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1answer
75 views

What does: SET @Variable1 = (Select field1 From INSERTED) mean?

I'm trying to understand an existing Trigger on one of my tables (DocumentDistribution), that it seems is the bridge table between DocumentInfo and DocumentSource tables. I don’t understand how this ...
3
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0answers
71 views

creating deadlock for distributed database in mysql-(Testing purpose)

I need to create a deadlock for distributed database in MySQL for testing purpose with a simple sql query(without front end), can anyone good with MySQL query help me out in this with sample query. ...
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0answers
56 views

MySQL performance of trigger when many rows are affected

I have a question on MySQL triggers which I hope someone might be able to help with. As part of our platform, we have a table (accounting), which grows rapidly. We also have an archived version of ...
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1answer
65 views

Oracle SQL Complications With Multiple Triggers

Hey all so I am creating a DB that is used going to be used for managing utilities of a system. My DB has 3 tables: Users, Utilites, and Files (leaving Files table out because question shouldn't ...
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1answer
343 views

trigger or check constraint insert values based upon existence of others

For simplicity (and since it captures the essence of my problem), suppose I have a table with data. CREATE TABLE my_practice_table ( my_id NUMBER(12), field_2 VARCHAR2(20), field_3 ...
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0answers
86 views

Indexing on cached data from related table using triggers — Is there a better way?

Edit: Schema details per request from Aaron Betrand -- I'll break the schema down to the relevant fields of the two tables. Orders (ID int IDENTITY, Status char(1)) Services(OrderID FOREIGN KEY ...
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17 views

Mysql 5.0 and 5.6 INSERT_LAST_ID() difference

Migrating from MySQL 5.0 to 5.6 i noticed that the INSERT_LAST_ID() function behaves different when using inside a trigger. My simplified situation: Table A has the trigger: insert into table_B ...
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1answer
43 views

On triggers and replication in MySQL

I have a classical statement-based replication between the master and the slave. Triggers were created on the master and replicated on the slave as well. Assuming that I have, say an ON UPDATE ...
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2answers
711 views

UPDATE() Function (Insert and Update Triggers)

Is there a way to have the column name dynamic in this function? For example, passing a parameter to a variable named @FldName = 'Name'. e.g. UPDATE(@FldName). Basically, what I want to do is to have ...
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2answers
201 views

Logging the Execution times of dynamically constructed mysql stored procedures

I have a MySQL Server. The MySQL server contains a huge network data collection. The client API's will connect to the MySQL server and execute some dynamically created stored procedures and delete ...
0
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1answer
108 views

MySQL: Capture every 5 values from column a in Table A to create one row in Table B

I have submissions of a form from a web page records in a database. the table has the following schema submit_time form_name field_name field_value field_order file the form has 5 fields, ...
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217 views

SQL Server inserted/deleted tables [closed]

I have the following logic flow Start transaction insert record 1 into table1 insert record 2 into table1 insert record 3 into table1 commit transaction I have a trigger on table1 that is using ...
0
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1answer
123 views

Can I setup database triggers to run on a defined secondary set of servers only? [closed]

This might sound a bit off, but here's what I have been thinking for a while now: Use Case You want to build an activity log for each user action on your application using database (postgreSQL) ...
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2answers
242 views

Upgrading a database from SQL Server 2005 to 2012 uncovered a syntax error

I recently upgraded from SQL Server 2005 to 2012. During validation however, a bug was discovered. A certain trigger was coded as follows: CREATE TRIGGER [dbo].[trigger] on [dbo].[foo] FOR UPDATE, ...
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1answer
227 views

Prevent record from being inserted in the table in After Trigger

I have a scenario where I have to insert a record in TableA only if the RecordId exists in TableB. I have written an Instead of Trigger on TableA for Insert, in which I am checking if the RecordId ...
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2answers
467 views

How to use a trigger to only insert one row

I am doing a third year project using an intel galileo that reads an RFID card, and signs a student into a class, and I am using multiple tables. I have nearly completed it as all reads are been ...
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1answer
958 views

Trigger function check if all NEW.* fields exist in another table

In PostgreSQL I need to code a trigger function that checks if all the fields in NEW.* exist in another table that has the exact same name as the table that fired the trigger but appended with "_hv". ...
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200 views

PostgreSQL trigger copy record to another table with different columns order

I have a trigger that before every update on hundreds of tables it inserts into a table with the same name and the _hv suffix a copy of the record being updated to maintain a kind of historical ...
4
votes
1answer
1k views

SQL Server: update trigger fires before insert trigger

I have an application with a SQL Server-hosted database. I do not have access to the application code, but I do have full access to the database. I have added my own custom auditing to a table to ...
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0answers
321 views

How do I ensure that bulk inserts must fire my DML trigger?

I have a table using a DML trigger to ensure data integrity. Although authors of SSIS packages, BULK INSERT queries, and bcp executions can enable DML trigger execution, which is disabled by default, ...
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1answer
253 views

how to delete all rows with empty field via function/trigger combo in Postgres v 9.3?

In PostgreSQL 9.3 I am trying to write a trigger function that will be called after updates to table test2 and that will delete rows of test2 where field "email" is empty. Here's my attempt: CREATE ...