clintropolis commented on code in PR #16714:
URL: https://github.com/apache/druid/pull/16714#discussion_r1671828198
##########
processing/src/main/java/org/apache/druid/query/groupby/epinephelinae/vector/VectorGroupByEngine.java:
##########
@@ -214,35 +214,32 @@ private static boolean canVectorizeDimensions(
final List<DimensionSpec> dimensions
)
{
- return dimensions
- .stream()
- .allMatch(
- dimension -> {
- if (!dimension.canVectorize()) {
- return false;
- }
+ for (DimensionSpec dimension : dimensions) {
+ if (!dimension.canVectorize()) {
+ return false;
+ }
- if (dimension.mustDecorate()) {
- // group by on multi value dimensions are not currently
supported
- // DimensionSpecs that decorate may turn singly-valued columns
into multi-valued selectors.
- // To be safe, we must return false here.
- return false;
- }
+ if (dimension.mustDecorate()) {
+ // group by on multi value dimensions are not currently supported
+ // DimensionSpecs that decorate may turn singly-valued columns into
multi-valued selectors.
+ // To be safe, we must return false here.
+ return false;
+ }
- if (!dimension.getOutputType().isPrimitive()) {
- // group by on arrays and complex types is not currently
supported in the vector processing engine
- return false;
- }
+ if (!dimension.getOutputType().isPrimitive()) {
+ // group by on arrays and complex types is not currently supported in
the vector processing engine
+ return false;
+ }
- // Now check column capabilities.
- final ColumnCapabilities columnCapabilities =
inspector.getColumnCapabilities(dimension.getDimension());
- // null here currently means the column does not exist, nil
columns can be vectorized
- if (columnCapabilities == null) {
- return true;
- }
- // must be single valued
- return columnCapabilities.hasMultipleValues().isFalse();
- });
+ // Now check column capabilities.
+ final ColumnCapabilities columnCapabilities =
inspector.getColumnCapabilities(dimension.getDimension());
+ if (columnCapabilities != null &&
columnCapabilities.hasMultipleValues().isFalse()) {
Review Comment:
oops yes
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