TPortionInfo::GetRecordsCount speed up (#9614)

ivanmorozov333 · web-flow · commit bacb7fa9f3f2 · 2024-09-23T17:36:42.000+03:00
diff --git a/ydb/core/tx/columnshard/engines/portions/portion_info.h b/ydb/core/tx/columnshard/engines/portions/portion_info.h
@@ -518,6 +518,8 @@ class TPortionInfo {
             if (!columnIdFirst || *columnIdFirst == i.ColumnId) {
                 result += i.GetMeta().GetNumRows();
                 columnIdFirst = i.ColumnId;
+            } else {
+                break;
             }
         }
         return result;

Original file line number	Diff line number	Diff line change
`@@ -518,6 +518,8 @@ class TPortionInfo {`
`518`	`518`	`if (!columnIdFirst \|\| *columnIdFirst == i.ColumnId) {`
`519`	`519`	`result += i.GetMeta().GetNumRows();`
`520`	`520`	`columnIdFirst = i.ColumnId;`
	`521`	`+ } else {`
	`522`	`+ break;`
`521`	`523`	`}`
`522`	`524`	`}`
`523`	`525`	`return result;`