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Fixes from Janko Richter <jankorichter@yahoo.de>

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- Fix wrong index results on text, char, varchar for multibyte strings
- Fix some SIGFPE signals
- Add support for infinite timestamps
- Because of locale settings, btree_gist can not be a prefix index anymore (for text).
  Each node holds now just the lower and upper boundary.
This commit is contained in:
Teodor Sigaev
2005-07-01 13:44:56 +00:00
parent 8f6e8e8fed
commit ef770cbb69
27 changed files with 730 additions and 304 deletions
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13
contrib/btree_gist/btree_oid.c
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@ -129,18 +129,7 @@ gbt_oid_penalty(PG_FUNCTION_ARGS)
oidKEY *newentry = (oidKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
float *result = (float *) PG_GETARG_POINTER(2);
Oid res = 0;
*result = 0.0;
penalty_range_enlarge(origentry->lower, origentry->upper, newentry->lower, newentry->upper);
if (res > 0)
{
*result += FLT_MIN;
*result += (float) (res / ((double) (res + origentry->upper - origentry->lower)));
*result *= (FLT_MAX / (((GISTENTRY *) PG_GETARG_POINTER(0))->rel->rd_att->natts + 1));
}
penalty_num(result,origentry->lower,origentry->upper,newentry->lower,newentry->upper);
PG_RETURN_POINTER(result);
}