GetRtreeCache()

RTREE_POLY_CACHE * GetRtreeCache	(	FunctionCallInfo	fcinfo,
		GSERIALIZED *	g1
	)

Checks for a cache hit against the provided geometry and returns a pre-built index structure (RTREE_POLY_CACHE) if one exists.

Otherwise builds a new one and returns that.

Definition at line 432 of file lwgeom_rtree.c.

{
        RTreeGeomCache* cache = (RTreeGeomCache*)GetGeomCache(fcinfo, &RTreeCacheMethods, g1, NULL);
        RTREE_POLY_CACHE* index = NULL;
 
        if ( cache )
                index = cache->index;
 
        return index;
}

References RTreeGeomCache::index, and RTreeCacheMethods.

Referenced by contains(), coveredby(), covers(), and ST_Intersects().

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