sunchao commented on a change in pull request #35483:
URL: https://github.com/apache/spark/pull/35483#discussion_r804201836
##########
File path:
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OffHeapColumnVector.java
##########
@@ -557,6 +579,9 @@ protected void reserveInternal(int newCapacity) {
Platform.reallocateMemory(lengthData, oldCapacity * 4L, newCapacity
* 4L);
this.offsetData =
Platform.reallocateMemory(offsetData, oldCapacity * 4L, newCapacity
* 4L);
+ } else if (isStruct()) {
+ this.structOffsetData =
+ Platform.reallocateMemory(structOffsetData, oldCapacity * 4L,
newCapacity * 4L);
Review comment:
OK
##########
File path:
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/WritableColumnVector.java
##########
@@ -374,6 +375,14 @@ public void putBooleans(int rowId, int count, byte src,
int srcIndex) {
*/
public abstract void putArray(int rowId, int offset, int length);
+ /**
+ * Puts a new non-null struct at 'rowId' of this vector, which is backed by
elements at
+ * 'offset' of child vectors.
+ *
+ * NOTE: this MUST be called after new elements are appended to child
vectors of a struct vector.
+ */
+ public abstract void putStruct(int rowId, int offset);
Review comment:
Hmm, I'd prefer `putStruct`, similar to `putArray` above.
##########
File path:
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/WritableColumnVector.java
##########
@@ -457,6 +466,7 @@ public final int appendNull() {
}
public final int appendNotNull() {
+ assert (!(dataType() instanceof StructType)); // Use appendStruct()
Review comment:
As mentioned in the PR description, I think it's fine since
`WritableColumnVector` is a Spark internal API. Also see some [previous
discussion](https://github.com/apache/spark/pull/34659#discussion_r769131591).
##########
File path:
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/WritableColumnVector.java
##########
@@ -703,13 +720,13 @@ public WritableColumnVector arrayData() {
public abstract int getArrayOffset(int rowId);
- @Override
- public WritableColumnVector getChild(int ordinal) { return
childColumns[ordinal]; }
-
/**
- * Returns the elements appended.
+ * Returns the offset of a struct element at 'rowId' in the child vectors of
this.
*/
- public final int getElementsAppended() { return elementsAppended; }
Review comment:
Oops I removed this by accident. Seems it isn't used anywhere though.
##########
File path:
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/WritableColumnVector.java
##########
@@ -374,6 +375,14 @@ public void putBooleans(int rowId, int count, byte src,
int srcIndex) {
*/
public abstract void putArray(int rowId, int offset, int length);
+ /**
+ * Puts a new non-null struct at 'rowId' of this vector, which is backed by
elements at
+ * 'offset' of child vectors.
Review comment:
Yea for non-null struct the offset is the same: struct[rowId] is
constitute of children[i][rowId] for i in [0, struct.len).
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