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On 02/22/07 17:17, Jim Nasby wrote:
> On Feb 21, 2007, at 10:26 AM, Scott Marlowe wrote:
>> The only thing I can think of that rewrites a whole postgresql table
>> would be reindexing it, or an update without a where clause (or a where
>> clause that includes every row). Normal operations, like create index,
>> add column, drop column, etc do not need to rewrite the table and happen
>> almost instantly.
>
> Reindexing won't re-write a table; clustering will. Also some ALTER
> TABLE commands will (such as changing the data type of a column, or
> creating a new column that's NOT NULL).
Man, that's just Not Right.
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