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pingcap · Feb 17, 2025 · ee1db83 · ee1db83
1 parent 6ccf30e
commit ee1db83
Showing 1 changed file with 39 additions and 0 deletions.
diff --git a/dbms/src/Storages/DeltaMerge/tests/gtest_segment_bitmap.cpp b/dbms/src/Storages/DeltaMerge/tests/gtest_segment_bitmap.cpp
@@ -1359,4 +1359,43 @@ try
 }
 CATCH
 
+TEST_P(SegmentBitmapFilterTest, VersionFilter_Stable2)
+try
+{
+    writeSegmentGeneric("d_tiny:[0, 10):shuffle:ts_1|d_tiny:[3, 13):shuffle:ts_2|d_tiny:[6, "
+                        "16):shuffle:ts_3|merge_delta|d_mem:[2, 7):ts_4");
+    {
+        auto [seg, snap] = getSegmentForRead(SEG_ID);
+        auto cfs = snap->delta->getColumnFiles();
+        ASSERT_EQ(cfs.size(), 1);
+        ASSERT_TRUE(cfs[0]->isInMemoryFile()) << cfs[0]->toString();
+    }
+
+    verifyVersionChain(VerifyVersionChainOption{
+        .seg_id = SEG_ID,
+        .caller_line = __LINE__,
+        .read_ts = 4,
+        .expected_bitmap = "11000000000000100100101010111111111",
+    });
+    verifyVersionChain(VerifyVersionChainOption{
+        .seg_id = SEG_ID,
+        .caller_line = __LINE__,
+        .read_ts = 3,
+        .expected_bitmap = "11101010100100100100101010111100000",
+    });
+    verifyVersionChain(VerifyVersionChainOption{
+        .seg_id = SEG_ID,
+        .caller_line = __LINE__,
+        .read_ts = 2,
+        .expected_bitmap = "11101010101001001001010101000000000",
+    });
+    verifyVersionChain(VerifyVersionChainOption{
+        .seg_id = SEG_ID,
+        .caller_line = __LINE__,
+        .read_ts = 1,
+        .expected_bitmap = "11110101010010010010000000000000000",
+    });
+}
+CATCH
+
 } // namespace DB::DM::tests