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authorTeodor Sigaev2004-03-30 15:45:33 +0000
committerTeodor Sigaev2004-03-30 15:45:33 +0000
commitf2c064afcbfad4999d7e9ccb644a8aa99463a1ac (patch)
treea630e42b10478f1d88b637a96114945016faa2e0 /contrib/ltree/ltree_gist.c
parent8d9a28eeefc477638cca58d0685635271eae49d6 (diff)
Cleanup vectors of GISTENTRY and eliminate problem with 64-bit strict-aligned
boxes. Change interface to user-defined GiST support methods union and picksplit. Now instead of bytea struct it used special GistEntryVector structure.
Diffstat (limited to 'contrib/ltree/ltree_gist.c')
-rw-r--r--contrib/ltree/ltree_gist.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/contrib/ltree/ltree_gist.c b/contrib/ltree/ltree_gist.c
index 65f408cd93c..eb091f99271 100644
--- a/contrib/ltree/ltree_gist.c
+++ b/contrib/ltree/ltree_gist.c
@@ -58,7 +58,7 @@ PG_FUNCTION_INFO_V1(ltree_consistent);
Datum ltree_consistent(PG_FUNCTION_ARGS);
#define ISEQ(a,b) ( (a)->numlevel == (b)->numlevel && ltree_compare(a,b)==0 )
-#define GETENTRY(vec,pos) ((ltree_gist *) DatumGetPointer(((GISTENTRY *) VARDATA(vec))[(pos)].key))
+#define GETENTRY(vec,pos) ((ltree_gist *) DatumGetPointer((vec)->vector[(pos)].key))
Datum
ltree_compress(PG_FUNCTION_ARGS)
@@ -166,10 +166,9 @@ hashing(BITVECP sign, ltree * t)
Datum
ltree_union(PG_FUNCTION_ARGS)
{
- bytea *entryvec = (bytea *) PG_GETARG_POINTER(0);
+ GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
int *size = (int *) PG_GETARG_POINTER(1);
BITVEC base;
- int4 len = (VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY);
int4 i,
j;
ltree_gist *result,
@@ -181,7 +180,7 @@ ltree_union(PG_FUNCTION_ARGS)
bool isleqr;
MemSet((void *) base, 0, sizeof(BITVEC));
- for (j = 0; j < len; j++)
+ for (j = 0; j < entryvec->n; j++)
{
cur = GETENTRY(entryvec, j);
if (LTG_ISONENODE(cur))
@@ -285,7 +284,7 @@ treekey_cmp(const void *a, const void *b)
Datum
ltree_picksplit(PG_FUNCTION_ARGS)
{
- bytea *entryvec = (bytea *) PG_GETARG_POINTER(0);
+ GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
GIST_SPLITVEC *v = (GIST_SPLITVEC *) PG_GETARG_POINTER(1);
OffsetNumber j;
int4 i;
@@ -307,7 +306,7 @@ ltree_picksplit(PG_FUNCTION_ARGS)
memset((void *) ls, 0, sizeof(BITVEC));
memset((void *) rs, 0, sizeof(BITVEC));
- maxoff = ((VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY)) - 1;
+ maxoff = entryvec->n - 1;
nbytes = (maxoff + 2) * sizeof(OffsetNumber);
v->spl_left = (OffsetNumber *) palloc(nbytes);
v->spl_right = (OffsetNumber *) palloc(nbytes);