Re: "unaddressable bytes" in BRIN - Mailing list pgsql-hackers

From Stephen Frost
Subject Re: "unaddressable bytes" in BRIN
Date
Msg-id 20150511123202.GV30322@tamriel.snowman.net
Whole thread Raw
In response to "unaddressable bytes" in BRIN  (Alvaro Herrera <alvherre@2ndquadrant.com>)
List pgsql-hackers
* Alvaro Herrera (alvherre@2ndquadrant.com) wrote:
> What I think this means is that during an index build
> brin_minmax_add_value() called numeric_lt() which detoasted one of its
> input values; later, brin_doinsert() inserts a tuple containing the
> value, but it tries to use more bytes than were allocated.  I haven't
> had time to actually study what is going on here, but wanted to archive
> this publicly.  (Value detoasting evidently plays a role here, but I
> don't know how.)

I went ahead and added this to the 9.5 open items list.
Thanks!
    Stephen

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