> >>>Tatsuo Ishii said:
> > > SELECT key FROM t WHERE key ~* '^somestring'
> > >
> > > returns no tuples and explain says it will use the index on key. Why is th
> is?
> >
> > That's strange. It should be seq scan in this case?
>
> I forgot to mention, that if 'somestring' is all uppercase, everything works
> (the key field in the table is all uppercase). It still says index scan will
> be used.
>
> To summarize the problem. If key contains (equivalent cyrillic letters) 'ABC',
> 'ABCD', 'DAB' and 'ABX' and the query is:
>
> SELECT key FROM t WHERE key ~* '^AB';
Oops, forgot ~* is case-insensitive. The conditions we adde for this
require the query to be between > A and < a, which is not very
restrictive.
No real better way to do this.
-- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610)
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