1. Zenon73
  2. RO CSVI
  3. Sunday, 26 April 2026
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Hi Ronald,

We are encountering the following MySQL error during RO CSVI export ( more image addtionel 7)

SQLSTATE[42000]: Syntax error or access violation: 1104 The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET MAX_JOIN_SIZE=# if the SELECT is okay

Could you please advise what is causing this and how we can resolve it?
Joomla! Version 5.2.5
PHP Version 8.2.30
virtuemart 4.4

Kind regards,

Zenon
Accepted Answer Pending Moderation
Hello Zenon,

Could you please advise what is causing this and how we can resolve it?
The error message is very clear on what needs to be done. Either enable big selects or increase the number of joins. The thing is, RO CSVI already sets the big selects before an export is started.

There is no image attached. What export are you running? Do you have logging enabled? Is there anything in the debug log for this export?

Let me know how it goes.
Kind regards,

RolandD

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