mirror/postgresql
2
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2025-03-13 19:57:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

Minor cleanup of GiST code, for readability.

Browse Source 
Remove the gistcentryinit function, inlining the relevant part of it into
the only caller.
This commit is contained in:
Heikki Linnakangas 2015-03-26 19:11:54 +02:00
parent bed756a820
commit 8fa393a6d7
2 changed files with 16 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
src/backend/access/gist/gistutil.c
View File

@ -558,53 +558,33 @@ gistdentryinit(GISTSTATE *giststate, int nkey, GISTENTRY *e,
gistentryinit(*e, (Datum) 0, r, pg, o, l);
}
/*
* initialize a GiST entry with a compressed version of key
*/
void
gistcentryinit(GISTSTATE *giststate, int nkey,
GISTENTRY *e, Datum k, Relation r,
Page pg, OffsetNumber o, bool l, bool isNull)
{
if (!isNull)
{
GISTENTRY *cep;
gistentryinit(*e, k, r, pg, o, l);
cep = (GISTENTRY *)
DatumGetPointer(FunctionCall1Coll(&giststate->compressFn[nkey],
giststate->supportCollation[nkey],
PointerGetDatum(e)));
/* compressFn may just return the given pointer */
if (cep != e)
gistentryinit(*e, cep->key, cep->rel, cep->page, cep->offset,
cep->leafkey);
}
else
gistentryinit(*e, (Datum) 0, r, pg, o, l);
}
IndexTuple
gistFormTuple(GISTSTATE *giststate, Relation r,
Datum attdata[], bool isnull[], bool newValues)
Datum attdata[], bool isnull[], bool isleaf)
{
GISTENTRY centry[INDEX_MAX_KEYS];
Datum compatt[INDEX_MAX_KEYS];
int i;
IndexTuple res;
/*
* Call the compress method on each attribute.
*/
for (i = 0; i < r->rd_att->natts; i++)
{
if (isnull[i])
compatt[i] = (Datum) 0;
else
{
gistcentryinit(giststate, i, &centry[i], attdata[i],
r, NULL, (OffsetNumber) 0,
newValues,
FALSE);
compatt[i] = centry[i].key;
GISTENTRY centry;
GISTENTRY *cep;
gistentryinit(centry, attdata[i], r, NULL, (OffsetNumber) 0,
isleaf);
cep = (GISTENTRY *)
DatumGetPointer(FunctionCall1Coll(&giststate->compressFn[i],
giststate->supportCollation[i],
PointerGetDatum(&centry)));
compatt[i] = cep->key;
}
}
@ -612,7 +592,7 @@ gistFormTuple(GISTSTATE *giststate, Relation r,
/*
* The offset number on tuples on internal pages is unused. For historical
* reasons, it is set 0xffff.
* reasons, it is set to 0xffff.
*/
ItemPointerSetOffsetNumber(&(res->t_tid), 0xffff);
return res;

6
src/include/access/gist_private.h
View File

@ -485,15 +485,11 @@ extern IndexTuple gistgetadjusted(Relation r,
IndexTuple addtup,
GISTSTATE *giststate);
extern IndexTuple gistFormTuple(GISTSTATE *giststate,
Relation r, Datum *attdata, bool *isnull, bool newValues);
Relation r, Datum *attdata, bool *isnull, bool isleaf);
extern OffsetNumber gistchoose(Relation r, Page p,
IndexTuple it,
GISTSTATE *giststate);
extern void gistcentryinit(GISTSTATE *giststate, int nkey,
GISTENTRY *e, Datum k,
Relation r, Page pg,
OffsetNumber o, bool l, bool isNull);
extern void GISTInitBuffer(Buffer b, uint32 f);
extern void gistdentryinit(GISTSTATE *giststate, int nkey, GISTENTRY *e,