Fix thinkos in BRIN summarization

The previous commit contained a thinko that made a single-range
summarization request process from there to end of table.  Fix by
setting the correct end range point.  Per buildfarm.

diff --git a/src/backend/access/brin/brin.c b/src/backend/access/brin/brin.c
index 8636620f6479bef0062ea6b7ce278a4a61e06557..cafc8fe7bea2a36cc77cf5d840aad20ce4d3da48 100644 (file)
--- a/src/backend/access/brin/brin.c
+++ b/src/backend/access/brin/brin.c
@@ -1292,8 +1292,11 @@ brinsummarize(Relation index, Relation heapRel, BlockNumber pageRange,
    if (pageRange == BRIN_ALL_BLOCKRANGES)
        startBlk = 0;
    else
+   {
        startBlk = (pageRange / pagesPerRange) * pagesPerRange;
-   if (startBlk >= heapNumBlocks)
+       heapNumBlocks = Min(heapNumBlocks, startBlk + pagesPerRange);
+   }
+   if (startBlk > heapNumBlocks)
    {
        /* Nothing to do if start point is beyond end of table */
        brinRevmapTerminate(revmap);