On Saturday, December 30, 2017, Ertan Küçükoğlu <ertan.kucuko...@1nar.com.tr> wrote:
> Hello, > > I am using PostgreSQL 9.6.6 on armv8l-unknown-linux-gnueabihf, compiled by > gcc (Raspbian 6.3.0-18+rpi1) 6.3.0 20170516, 32-bit > > I have a table with column name mac type macaddr. I need to change it into > array of macaddr ( macaddr[] ) type. Among all others I did try below: > > licenses=# alter table licreqm alter column mac type macaddr[] using > mac::macaddr[]; > ERROR: cannot cast type macaddr to macaddr[] > LINE 1: ... licreqm alter column mac type macaddr[] using mac::macaddr[... > ^ > I believe there should be a way, I just do not know it myself. Anyone can > help me? > Maybe try: Using array[mac]::macaddr[] David J.