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Fix ReorderBufferCheckMemoryLimit() comment.

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Commit 7259736a6 updated the comment but it was not correct since
ReorderBufferLargestStreamableTopTXN() returns only top-level
transactions.

Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/CAD21AoA9XB7OR86BqvrCe2dMYX%2BZv3-BvVmjF%3DGY2z6jN-kqjg%40mail.gmail.com
Backpatch-through: 14
This commit is contained in:
Masahiko Sawada 2023-08-02 15:01:08 +09:00
parent 67f3a697ba
commit 01357f1da9
1 changed files with 2 additions and 2 deletions
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4
src/backend/replication/logical/reorderbuffer.c
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@ -3507,8 +3507,8 @@ ReorderBufferCheckMemoryLimit(ReorderBuffer *rb)
while (rb->size >= logical_decoding_work_mem * 1024L) while (rb->size >= logical_decoding_work_mem * 1024L)
{ {
/* /*
* Pick the largest transaction (or subtransaction) and evict it from * Pick the largest transaction and evict it from memory by streaming,
* memory by streaming, if possible. Otherwise, spill to disk. * if possible. Otherwise, spill to disk.
*/ */
if (ReorderBufferCanStartStreaming(rb) && if (ReorderBufferCanStartStreaming(rb) &&
(txn = ReorderBufferLargestTopTXN(rb)) != NULL) (txn = ReorderBufferLargestTopTXN(rb)) != NULL)