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Fix a problem slowing down the handling of == constraints in the rtree module.

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FossilOrigin-Name: 509027e964f28efca088a41fe32f01c38316f7a919de63a8835e3bc7c3fb0787
This commit is contained in:
dan
2021-11-18 19:15:40 +00:00
parent 9cd0c3d4c5
commit 895c807a6d
3 changed files with 21 additions and 13 deletions
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18
ext/rtree/rtree.c
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@ -1285,14 +1285,20 @@ static void rtreeNonleafConstraint(
|| p->op==RTREE_FALSE );
assert( ((((char*)pCellData) - (char*)0)&3)==0 ); /* 4-byte aligned */
switch( p->op ){
case RTREE_TRUE: return; /* Always satisfied */
case RTREE_FALSE: break; /* Never satisfied */
case RTREE_TRUE: /* Always satisfied */
break;
case RTREE_FALSE: /* Never satisfied */
*peWithin = NOT_WITHIN;
break;
case RTREE_LE:
case RTREE_LT:
case RTREE_EQ:
RTREE_DECODE_COORD(eInt, pCellData, val);
/* val now holds the lower bound of the coordinate pair */
if( p->u.rValue>=val ) return;
if( p->u.rValue<val ){
*peWithin = NOT_WITHIN;
break;
}
if( p->op!=RTREE_EQ ) break; /* RTREE_LE and RTREE_LT end here */
/* Fall through for the RTREE_EQ case */
@ -1300,9 +1306,11 @@ static void rtreeNonleafConstraint(
pCellData += 4;
RTREE_DECODE_COORD(eInt, pCellData, val);
/* val now holds the upper bound of the coordinate pair */
if( p->u.rValue<=val ) return;
if( p->u.rValue>val ){
*peWithin = NOT_WITHIN;
}
break;
}
*peWithin = NOT_WITHIN;
}
/*