On Apr 25, 2017, at 1:37 PM, Konstantin Knizhnik <k.knizhnik@postgrespro.ru> wrote:SELECT ‘hello’::CHAR(10) || ‘World’, 5 + 6;You can substitute ‘hello’, ‘World’, 5, and 6. But not 10. I am substituting only string literals. So the query above will be transformed to SELECT $1::CHAR(10) || $2, 5 + 6; What's wrong with it?
SELECT ‘hello’::CHAR(10) || ‘World’, 5 + 6;You can substitute ‘hello’, ‘World’, 5, and 6. But not 10.
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