Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/18958#discussion_r134399222
--- Diff:
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/ColumnarBatch.java
---
@@ -307,64 +293,69 @@ public void update(int ordinal, Object value) {
@Override
public void setNullAt(int ordinal) {
- assert (!columns[ordinal].isConstant);
- columns[ordinal].putNull(rowId);
+ getColumnAsMutable(ordinal).putNull(rowId);
}
@Override
public void setBoolean(int ordinal, boolean value) {
- assert (!columns[ordinal].isConstant);
- columns[ordinal].putNotNull(rowId);
- columns[ordinal].putBoolean(rowId, value);
+ MutableColumnVector column = getColumnAsMutable(ordinal);
+ column.putNotNull(rowId);
+ column.putBoolean(rowId, value);
}
@Override
public void setByte(int ordinal, byte value) {
- assert (!columns[ordinal].isConstant);
- columns[ordinal].putNotNull(rowId);
- columns[ordinal].putByte(rowId, value);
+ MutableColumnVector column = getColumnAsMutable(ordinal);
--- End diff --
@ueshin @cloud-fan
Since `MutableColumnVector` in each column in `ColumnarBatch` is immutable,
we can an array of `MutableColumnVector` by applying cast at initialization. If
an cast exception occurs, we can ignore it since the column will not call
setter APIs. Then, each setter in refers to an element of the array.
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