Re: syntax for access an alias in the where clause ?

Wei Weng wrote:

> Is it allowed to use spaces in postgresql alias? 
> 
> Why dont you try to use alias1 instead of "alias 1"?



really amusing... muhahaha...

I don't use the brackets either... I didn't assume that you might be 
interested in how the expression looks like or what aliases I'm using...



> 
> 
> On Wed, 2002-06-19 at 14:03, Michael Agbaglo wrote:
> 
>>Hi !
>>
>>It's long ago since I used SQL :-)
>>
>>select [expression 1] as [alias 1], [expression 2] as [alias 2]
>>where [alias 1] < [alias 2]
>>order by [alias 2] - [alias 1]
>>
>>---> ERROR:  Attribute '[alias 1]' not found
>>
>>I found a lot of 'select [expression] as' but I've never seen somebody 
>>accessing the alias ... Can't this be done ?
>>
>>M.
>>
>>
>>
>>
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