fix a bug about ROWNUM in partition table

2021-07-30 17:32:21 +08:00
parent 3eaf5e5066
commit f46710c718
1 changed files with 3 additions and 1 deletions
--- a/src/gausskernel/runtime/executor/nodePartIterator.cpp
+++ b/src/gausskernel/runtime/executor/nodePartIterator.cpp
@ -141,9 +141,11 @@ TupleTableSlot* ExecPartIterator(PartIteratorState* node)
    if (!TupIsNull(slot))
        return slot;

-    node->ps.lefttree->ps_rownum--;
    /* switch to next partition until we get a unempty tuple */
    for (;;) {
+        /* minus wrong rownum */
+        node->ps.lefttree->ps_rownum--;
+
        if (node->currentItr + 1 >= partitionScan) /* have scanned all partitions */
            return NULL;