heap_markpos and heap_restrpos

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От
Heikki Linnakangas
Тема
heap_markpos and heap_restrpos
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451914E4.6040003@enterprisedb.com
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heap_markpos and heap_restrpos Heikki Linnakangas <heikki@enterprisedb.com>
Re: heap_markpos and heap_restrpos Tom Lane <tgl@sss.pgh.pa.us>
What's the purpose of mark/restrpos in heapam.c?

AFAIK, mark/restore is only used by merge joins, and you can't feed a 
merge join from a heap scan because merge join requires sorted input.

Unless I'm missing something, heap_markpos and heap_restrpos are dead code.

--  Heikki Linnakangas EnterpriseDB   http://www.enterprisedb.com


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