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Re: Syntax error in trigger
Posted by: Peter Brawley
Date: August 13, 2017 11:09AM

Unmatched left paren before exists(SELECT...). Use a text editor that sees such errors, eg NotePad++ or TextPad.

And BTW, if exists(SELECT 1 ...) would be more efficient than selecting *.

> here I'm hoping post_id is the post_id related to the new inserted row
> I don't know if this is wrong

If you're hoping, it's wrong, ie if you're not sure, you need to verify it.

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