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Add note that BLCKSZ must be a power of 2.

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This commit is contained in:
Tom Lane 2002-02-25 17:11:22 +00:00
parent c1911c94e9
commit f70a7e3832
1 changed files with 2 additions and 1 deletions
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src/include/pg_config.h.in
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@ -8,7 +8,7 @@
* or in pg_config.h afterwards. Of course, if you edit pg_config.h, then your
* changes will be overwritten the next time you run configure.
*
* $Id: pg_config.h.in,v 1.17 2002/02/23 04:17:46 petere Exp $
* $Id: pg_config.h.in,v 1.18 2002/02/25 17:11:22 tgl Exp $
*/
#ifndef PG_CONFIG_H
@ -124,6 +124,7 @@
* should reduce the need to have large tuples, since fields can now
* be spread across multiple tuples).
*
* BLCKSZ must be a power of 2.
* The maximum possible value of BLCKSZ is currently 2^15 (32768).
* This is determined by the 15-bit widths of the lp_off and lp_len
* fields in ItemIdData (see include/storage/itemid.h).