Tom Lane wrote:
> Jan Wieck <JanWieck@Yahoo.com> writes:
>> Doesn't look that unrealistic to me. A plain text based substring
>> function will reassemble the whole beast first before cutting out the
>> wanted part. His manually chunked version will read only those chunks
>> needed.
>
> So does substr(), if applied to EXTERNAL (non-compressed) toasted text.
> See John Gray's improvements a release or two back.
Duh ... of course, EXTERNAL is uncompressed ... where do I have my head?
Jan
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