cloud-fan commented on code in PR #37340:
URL: https://github.com/apache/spark/pull/37340#discussion_r937303079
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sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java:
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@@ -46,10 +46,10 @@
/**
* An Unsafe implementation of Row which is backed by raw memory instead of
Java objects.
*
- * Each tuple has three parts: [null bit set] [values] [variable length
portion]
+ * Each tuple has three parts: [null-tracking bit set] [values] [variable
length portion]
*
- * The bit set is used for null tracking and is aligned to 8-byte word
boundaries. It stores
- * one bit per field.
+ * The null-tracking bit set is used for null tracking and is aligned to
8-byte word boundaries.
Review Comment:
```suggestion
* The null-tracking bit set is aligned to 8-byte word boundaries.
```
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