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Mention MD5 function index for indexing long values.

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This commit is contained in:
Bruce Momjian 2005-08-11 13:22:33 +00:00
parent e8b842b9d3
commit 949ebbd55e
2 changed files with 4 additions and 4 deletions
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4
src/backend/access/nbtree/nbtinsert.c
View File

@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.123 2005/08/10 22:39:00 tgl Exp $ * $PostgreSQL: pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.124 2005/08/11 13:22:33 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -394,7 +394,7 @@ _bt_insertonpg(Relation rel,
(unsigned long) itemsz, (unsigned long) itemsz,
(unsigned long) BTMaxItemSize(page)), (unsigned long) BTMaxItemSize(page)),
errhint("Values larger than 1/3 of a buffer page cannot be indexed.\n" errhint("Values larger than 1/3 of a buffer page cannot be indexed.\n"
"Consider a separate column containing an MD5 hash of the value, " "Consider a function index of an MD5 hash of the value, "
"or use full text indexing."))); "or use full text indexing.")));
/* /*

4
src/backend/access/nbtree/nbtsort.c
View File

@ -56,7 +56,7 @@
* Portions Copyright (c) 1994, Regents of the University of California * Portions Copyright (c) 1994, Regents of the University of California
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtsort.c,v 1.93 2005/08/10 22:39:00 tgl Exp $ * $PostgreSQL: pgsql/src/backend/access/nbtree/nbtsort.c,v 1.94 2005/08/11 13:22:33 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -500,7 +500,7 @@ _bt_buildadd(BTWriteState *wstate, BTPageState *state, BTItem bti)
(unsigned long) btisz, (unsigned long) btisz,
(unsigned long) BTMaxItemSize(npage)), (unsigned long) BTMaxItemSize(npage)),
errhint("Values larger than 1/3 of a buffer page cannot be indexed.\n" errhint("Values larger than 1/3 of a buffer page cannot be indexed.\n"
"Consider a separate column containing an MD5 hash of the value, " "Consider a function index of an MD5 hash of the value, "
"or use full text indexing."))); "or use full text indexing.")));
if (pgspc < btisz || pgspc < state->btps_full) if (pgspc < btisz || pgspc < state->btps_full)