Converting Epoch Time values To Timestamps

Just a quick one. If you’ve ever created a table using the number of
seconds since 1970 and realised, after populating it with data, that you
really need it in a TIMESTAMP type? If so, you can quickly convert it
using this SQL:

ALTER TABLE entries
   ALTER COLUMN created TYPE TIMESTAMP WITH TIME ZONE
      USING TIMESTAMP WITH TIME ZONE 'epoch' + created *interval '1 second';

With thanks to the PostgreSQL
manual
for saving me hours working out
how to do this.

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