database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-31 22:04:40 +03:00
Code Activity

Please apply patches for contrib/ltree.

Browse Source 
ltree_73.patch.gz - for 7.3 :
        Fix ~ operation bug: eg '1.1.1' ~ '*.1'

ltree_74.patch.gz - for current CVS
    Fix ~ operation bug: eg '1.1.1' ~ '*.1'
    Add ? operation
    Optimize index storage

Last change needs drop/create all ltree indexes, so only for 7.4

Teodor Sigaev
This commit is contained in:
Bruce Momjian
2003-02-19 03:50:09 +00:00
parent a286f73210
commit 71e1f531d3
9 changed files with 525 additions and 144 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
contrib/ltree/ltree_gist.c
View File

@ -7,9 +7,11 @@
#include "access/gist.h"
#include "access/rtree.h"
#include "access/nbtree.h"
#include "utils/array.h"
#include "crc32.h"
#define NEXTVAL(x) ( (lquery*)( (char*)(x) + INTALIGN( VARSIZE(x) ) ) )
PG_FUNCTION_INFO_V1(ltree_gist_in);
Datum ltree_gist_in(PG_FUNCTION_ARGS);
@ -596,6 +598,22 @@ gist_qtxt(ltree_gist * key, ltxtquery * query)
);
}
static bool
arrq_cons(ltree_gist *key, ArrayType *_query) {
lquery *query = (lquery *) ARR_DATA_PTR(_query);
int num = ArrayGetNItems(ARR_NDIM(_query), ARR_DIMS(_query));
if (ARR_NDIM(_query) != 1)
elog(ERROR, "Dimension of array != 1");
while (num > 0) {
if ( gist_qe(key, query) && gist_between(key, query) )
return true;
num--;
query = NEXTVAL(query);
}
return false;
}
Datum
ltree_consistent(PG_FUNCTION_ARGS)
@ -672,6 +690,16 @@ ltree_consistent(PG_FUNCTION_ARGS)
else
res = gist_qtxt(key, (ltxtquery *) query);
break;
case 16:
case 17:
if (GIST_LEAF(entry))
res = DatumGetBool(DirectFunctionCall2(lt_q_regex,
PointerGetDatum(LTG_NODE(key)),
PointerGetDatum((ArrayType *) query)
));
else
res = arrq_cons(key, (ArrayType *) query);
break;
default:
elog(ERROR, "Unknown StrategyNumber: %d", strategy);
}