Horton

index with nulls

Bruce Momjian <maillist@candle.pha.pa.us>

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From: Bruce Momjian <maillist@candle.pha.pa.us>
To: hackers@postgreSQL.org (PostgreSQL-development)
Date: 1998-02-05T17:24:16Z
Lists: pgsql-hackers 
As part of yesterday's patch, I fixed a problem with indexing of nulls. 
The old code did:


                    mask = (finalbit << 1) - 1;
                    if ((~n) & mask)
                        slow=1;

when it meant to do:

                    mask = (1 << finalbit) - 1;
                    if ((~n) & mask)
                        slow=1;

This may explain some problems people were reporing.

-- 
Bruce Momjian
maillist@candle.pha.pa.us