static int
nodeRelease(Rtree *pRtree, RtreeNode *pNode){
int rc = SQLITE_OK;
if( pNode ){
assert( pNode->nRef>0 );
pNode->nRef--;
if( pNode->nRef==0 ){
if( pNode->iNode==1 ){
// if pNode->iNode equals 1,then current search,call rtreeNext will crash!
pRtree->iDepth = -1;
}
if( pNode->pParent ){
rc = nodeRelease(pRtree, pNode->pParent);
}
if( rc==SQLITE_OK ){
rc = nodeWrite(pRtree, pNode);
}
nodeHashDelete(pRtree, pNode);
sqlite3_free(pNode);
}
}
return rc;
}
2014-04-02
andy
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