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Re: [pgsql-advocacy] Oracle buys Innobase

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On Wed, 19 Oct 2005, Dann Corbit wrote:

> Yes, clearly that is the wrong result according to the SQL standard.
>
> Here is a SQL*Server query:
> select 1 where 'a' = 'a ' AND 'a' = 'a  ' AND 'a ' = 'a         '
>
> It returns (correctly): 1

Doesn't that depend on the collating sequence in use, or is a NO PAD
collating sequence not allowed here?

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TIP 9: In versions below 8.0, the planner will ignore your desire to
       choose an index scan if your joining column's datatypes do not
       match

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