Skip to main content

All Questions

Filter by
Sorted by
Tagged with
1 vote
2 answers
50 views

How to update top two rows of a table in stored procedure

I'm on this exercise: Create a single routine that sums up all the points scored by players of each class, displays the result with the sum and the group name ordered from highest to lowest, and ...
Ben's user avatar
  • 11
0 votes
1 answer
47 views

Can a MySQL Procedure have a dubious IN type? IE. IN foo INT || VARCHAR(60)

I'm trying to write a procedure that when called will update columns in a table with provided information. The procedure will take in the column name to be updated and the value I want inserted into ...
srcourtepatte's user avatar
0 votes
0 answers
64 views

MySQL Stored Procedure failing / falling to deadlock when trying to insert a manually incremented unique key field

I'm working with a MySQL Stored Procedure, which deals with data in a CSV row. There are a lot of DB operations inside the Stored Procedure, where everything is inside a transaction. One call to the ...
Ismail's user avatar
  • 23
0 votes
1 answer
35 views

Stored Procedure for Deleting in Chunks - LOOP not executing

Problem: The loop is not executed after the first loop. CREATE PROCEDURE IF NOT EXISTS chunk_delete(IN table_name varchar(255), IN loop_count int, IN batch_size int) BEGIN DECLARE counter INT ...
yooooo's user avatar
  • 3
0 votes
0 answers
51 views

Need MySQL shorthand to match param to column specsm

I'm building the DB foundation (MySQL) of a new programming project and I'm starting to build the CRUD procedures for the core tables. To save time in the future, in case the size of a column changes, ...
Felix Cartwright's user avatar
0 votes
0 answers
34 views

SQLAlchemy returns "Commands out of sync; you can't run this command now" when executing "CALL" on a simple procedure

I have a simple MySQL procedure as follows: DELIMITER // CREATE PROCEDURE exampleone() BEGIN SELECT * from project; END // DELIMITER ; I am trying to execute it using MSQLAlchemy 1.4.54 using ...
QLands's user avatar
  • 2,586
0 votes
0 answers
37 views

Optimizing a MySQL Stored Procedure to get index from Custom Secondary index

Knowing the restrictions on inserting a numbered row in views and not been able return tables from functions in mySQL, I found myself having to use a stored procedure in order to get the index serial ...
Pablo Rodriguez's user avatar
1 vote
1 answer
54 views

Slow Performance on MySQL Update Query for Large Table

I am working on a MySQL procedure that performs an update on a Products table with over 25,000 records. The procedure is running(often locking) very slowly, and I need help optimizing it for better ...
isthemi's user avatar
  • 11
0 votes
0 answers
68 views

Mysql Drop stored procedure on update

Some time ago i create a simple stored procedure: CREATE DEFINER=`someuser`@`%` PROCEDURE `sp_foundRows`() READS SQL DATA SQL SECURITY INVOKER BEGIN SELECT FOUND_ROWS() AS count; END it ...
Doom's user avatar
  • 133
0 votes
2 answers
204 views

insert into mySQL using Delphi ADOStoredProc

I have a mySQL with the following two tables: person keyed on ID staff keyed on ID and StaffID (used to link managers and their staff) The following stored procedure should insert a row into the ...
NiMuSi's user avatar
  • 412
-1 votes
2 answers
88 views

I am trying to create a stored procedure to check passwords of logins

I want to create a SQL stored procedure that checks passwords at login. This should be a very common question however I could not find an answer anywhere to my specific question, which is about data ...
DeBigDaawg's user avatar
0 votes
1 answer
55 views

Mysql/Mariadb Cursor loop is being executed only once returning empty string and exiting

I wanted to do a partial back up of tables good and org and all tables that has foreign keys to these tables. To do that I wrote two procedures. The first one generates insert statements for the data ...
Muslimbek Abduganiev's user avatar
1 vote
2 answers
65 views

Deadlock during update the same table

From inside a procedure I need to separate 4k records of one big table to process it each one in a separate cursor. UPDATE queue SET `status` = 'enqueued', `hash` = new_hash -- prev generated ...
Ivan Cachicatari's user avatar
0 votes
1 answer
47 views

Concat Single Quote in SQL Stored Procedure

I am working on a partition automation script and I need the string concat output as below. The prefix and suffix of the query will be framed in separate statements PARTITION pweek38 VALUES LESS THAN (...
code-geek's user avatar
  • 463
1 vote
1 answer
93 views

MySQL Stored Procedure slower than direct query

I have a query that runs in <1s when run directly in MySQL workbench, but is non-performant when run as a Stored Procedure or via the Event Scheduler. Simplified Table Definition: CREATE TABLE `...
Big Al Dente's user avatar

15 30 50 per page
1
2 3 4 5
454