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Now that warnings are enabled across the board, this code that tries to print an undef variable emits one. Silently printing the empty string achieves the previous behavior. Author: Álvaro Herrera <alvherre@alvh.no-ip.org> Reviewed-by: Andrew Dunstan <andrew.dunstan@2ndquadrant.com> Discussion: https://postgr.es/m/E1jO1VT-0008Qk-TM@gemulon.postgresql.org |
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