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I have two databases, and I need to move data from one to another. The catch is they have a table with different set of columns. Here is how I need to rename columns in migration:

NULL -> ID (should be generated as I add records normally)
NULL -> category_id (should be fixed, e.g. 3)
date_art -> created_at
title_art -> title
short_art -> promo
full_art -> content

Is it possible to accomplish by a single query?

  • Is the ID column an autoincrement column? – Marco Jul 12 '16 at 12:35
  • Yes. It should be an autoincrement column – Viktor Jul 12 '16 at 13:07
3

The SQL would be like:

insert into tab1 (category_id, created_at, title, promo, content)
as
select 3, date_art, title_art, short_art, full_art
from   tab2

The ID column will get it's value during the insert.

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