1. Pass GISTENTRYs to giststate->penaltyFn by pointers, not by vals.
2. Re-initialize keys in gistrescan (if gist used in inner scan).
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@ -987,7 +987,7 @@ gistchoose(Relation r, Page p, IndexTuple it, /* it has compressed entry */
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size = IndexTupleSize(datum) - sizeof(IndexTupleData);
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datum += sizeof(IndexTupleData);
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gistdentryinit(giststate,&entry,datum,r,p,i,size,FALSE);
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(giststate->penaltyFn)(entry, identry, &usize);
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(giststate->penaltyFn)(&entry, &identry, &usize);
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if (which_grow < 0 || usize < which_grow) {
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which = i;
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which_grow = usize;
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@ -118,6 +118,13 @@ gistrescan(IndexScanDesc s, bool fromEnd, ScanKey key)
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gistfreestack(p->s_markstk);
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p->s_stack = p->s_markstk = (GISTSTACK *) NULL;
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p->s_flags = 0x0;
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for (i = 0; i < s->numberOfKeys; i++)
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{
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s->keyData[i].sk_procedure
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= RelationGetGISTStrategy(s->relation, s->keyData[i].sk_attno,
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s->keyData[i].sk_procedure);
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s->keyData[i].sk_func = p->giststate->consistentFn;
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}
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} else {
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/* initialize opaque data */
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p = (GISTScanOpaque) palloc(sizeof(GISTScanOpaqueData));
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