RussellSpitzer commented on code in PR #13284:
URL: https://github.com/apache/iceberg/pull/13284#discussion_r2138553860
##########
core/src/main/java/org/apache/iceberg/variants/PrimitiveWrapper.java:
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@@ -111,10 +113,13 @@ public int sizeInBytes() {
case BINARY:
return 5 + ((ByteBuffer) value).remaining(); // 1 header + 4 length +
value length
case STRING:
+ byte[] valueBytes = ((String) value).getBytes(StandardCharsets.UTF_8);
Review Comment:
I think we are losing one of the optimizations we previously had here by
always calling getBytes on value even if the buffer is already set. I haven't
looked into the details here but I think we can do something like
```java
case STRING:
if (null == buffer) {
this.buffer = ByteBuffer.wrap(((String)
value).getBytes(StandardCharsets.UTF_8));
}
if (buffer.remaining() < MAX_SHORT_STRING_LENGTH) {
return 1 + buffer.remaining() // Short String : 1 header + value
length
} else {
return 5 + buffer.remaining(); // String Primitive: 1 header + 4
length + value length
}
```
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