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[HACKERS] type cache for concat functions - Mailing list pgsql-hackers

From Pavel Stehule
Subject [HACKERS] type cache for concat functions
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Msg-id CAFj8pRAT62pRgjoHbgTfJUc2uLmeQ4saUj+yVJAEZUiMwNCmdg@mail.gmail.com
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Responses Re: [HACKERS] type cache for concat functions  (Dmitry Dolgov <9erthalion6@gmail.com>)
Re: [HACKERS] type cache for concat functions  (Alexander Kuzmenkov <a.kuzmenkov@postgrespro.ru>)
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Hi

Now concat is 2x times slower than || operator. With cached FmgrInfo for output function it will be only 5%.

Regards

Pavel
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