lidavidm commented on code in PR #14146:
URL: https://github.com/apache/arrow/pull/14146#discussion_r1088270960
##########
go/arrow/compute/internal/exec/kernel.go:
##########
@@ -242,6 +242,40 @@ func (primitiveMatcher) Equals(other TypeMatcher) bool {
// returns true for.
func Primitive() TypeMatcher { return primitiveMatcher{} }
+type reeMatcher struct {
+ runEndsMatcher TypeMatcher
+ encodedMatcher TypeMatcher
+}
+
+func (r reeMatcher) Matches(typ arrow.DataType) bool {
+ if typ.ID() != arrow.RUN_END_ENCODED {
+ return false
+ }
+
+ dt := typ.(*arrow.RunEndEncodedType)
+ return r.runEndsMatcher.Matches(dt.RunEnds()) &&
r.encodedMatcher.Matches(dt.Encoded())
+}
+
+func (r reeMatcher) Equals(other TypeMatcher) bool {
+ o, ok := other.(reeMatcher)
+ if !ok {
+ return false
+ }
+ return r.runEndsMatcher.Equals(o.runEndsMatcher) &&
r.encodedMatcher.Equals(o.encodedMatcher)
+}
+
+func (r reeMatcher) String() string {
+ return "run_length_encoded(" + r.encodedMatcher.String() + ")"
Review Comment:
should runEndsMatcher be included in the repr?
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