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scylladb/tests
Avi Kivity 403f66ecad Revert "Revert "compaction: fix use-after-free when calculating backlog after schema change""
This reverts commit 841ceac4f9. It was reverted because the test
failed; this turned out due to a miscompile of the test.

With this additional fix, the test compiles correctly:

--- a/tests/sstable_datafile_test.cc
+++ b/tests/sstable_datafile_test.cc
@@ -4785,11 +4785,11 @@ SEASTAR_TEST_CASE(backlog_tracker_correctness_after_stop_tracking_compaction) {

             auto fut = sstables::compact_sstables(sstables::compaction_descriptor(ssts), *cf, sst_gen);

             bool stopped_tracking = false;
             for (auto& info : cf._data->cm.get_compactions()) {
-                if (info->cf == &*cf) {
+                if (info->cf == cf->schema()->cf_name()) {
                     info->stop_tracking();
                     stopped_tracking = true;
                 }
             }
             BOOST_REQUIRE(stopped_tracking);

info->cf is an sstring, and &*cf is a table*. It's not clear how the compiler
was able to compare an sstring and a pointer.
2019-04-12 21:45:59 +03:00
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