[development] Writing updates for minor releases
drupal at dwwright.net
Wed Oct 4 07:54:42 UTC 2006
On Oct 4, 2006, at 12:43 AM, Karoly Negyesi wrote:
> To achieve this, use DROP IF EXSITS for indexes (both databases),
> in the unlikely case you are adding a field, check for its
> existence first through SELECT * FROM, db_fetch_array, isset.
> ALTERs need no special taking care of.
in the unlikely case you are adding a whole new table, can check if
the table exists in 5.x and beyond using db_table_exists('foo').
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