Re: [ic] Bug in PostgreSQL support

[Peter <suppressed>]

On 10/18/2006 04:09 AM, Mike Heins wrote:
> Quoting SeattleServer.com (suppressed):
>> PostgreSQL is not broken like MySQL.  Thus, this is incorrect in 
>> lib/Vend/Table/DBI.pm:
>>
>>         ALTER_CHANGE => {
>>                 mysql => 'ALTER TABLE _TABLE_ CHANGE COLUMN _COLUMN_ _COLUMN_ 
>> _DEF_',
>>                 Pg => 'ALTER TABLE _TABLE_ CHANGE COLUMN _COLUMN_ _COLUMN_ 
>> _DEF_',
>>         },
>>
>> I'm guessing this is correct based on what CHANGE COLUMN does in MySQL:
>>
>>         ALTER_CHANGE => {
>>                 mysql => 'ALTER TABLE _TABLE_ CHANGE COLUMN _COLUMN_ _COLUMN_ 
>> _DEF_',
>>                 Pg => 'ALTER TABLE _TABLE_ ALTER COLUMN _COLUMN_ TYPE TO 
>> _DEF_',
>>         },
> 
> I will have to take your word for it, but I assume you are correct.
> 
> To this point, we have been saved by the fact that we don't actually
> *use* this anywhere in Interchange. 8-) I think I put it in to anticipate
> dynamic column type changes, but we never got there.

he's correct, but it only works in postgresql versions 8.0+, earlier
versions did not have any single command to change a column type.

<http://www.postgresql.org/docs/8.0/interactive/sql-altertable.html>

Peter
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