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23 results

htup.h

  • Tom Lane's avatar
    3212cf94
    Distinguish between MaxHeapAttributeNumber and MaxTupleAttributeNumber, · 3212cf94
    Tom Lane authored 
    where the latter is made slightly larger to allow for in-memory tuples
containing resjunk attributes.  Responds to today's complaint that one
cannot UPDATE a table containing the allegedly-legal maximum number of
columns.

Also, apply Manfred Koizar's recent patch to avoid extra alignment padding
when there is a null bitmap.  This saves bytes in some cases while not
creating any backward-compatibility problem AFAICS.
    3212cf94
    History
    Distinguish between MaxHeapAttributeNumber and MaxTupleAttributeNumber,
    Tom Lane authored 
    where the latter is made slightly larger to allow for in-memory tuples
containing resjunk attributes.  Responds to today's complaint that one
cannot UPDATE a table containing the allegedly-legal maximum number of
columns.

Also, apply Manfred Koizar's recent patch to avoid extra alignment padding
when there is a null bitmap.  This saves bytes in some cases while not
creating any backward-compatibility problem AFAICS.