CODEWITHSUNDEEP
mysqlsql
Jesse Q
Jesse Q

Reputation: 1671

Select Records and Update in One Query

There are similar questions asked here, but was not able to find something close enough to actually resolve my problem as they involve multiple tables. So here goes...

I need to select a recordset for processing. To prevent parallel processing from selecting the same records, I want to set a status flag in the record that I can use to exclude those records on subsequent calls, i.e.

SELECT ... WHERE statusflag <> 1 //(or whatever)

I know I could use a transaction and SELECT FOR UPDATE, spinning through those records updating the flag, but I was hoping to accomplish both tasks (get/update) with one database hit. Is this possible in MySQL?

Upvotes: 0

Views: 695

Answers (1)

Ed Heal
Ed Heal

Reputation: 60047

You need to use cursors in a stored procedure. There are a few tutorials on-line that will help you.

Upvotes: 2

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