otegami commented on code in PR #46894:
URL: https://github.com/apache/arrow/pull/46894#discussion_r2166172891
##########
c_glib/arrow-glib/basic-array.cpp:
##########
@@ -476,6 +476,59 @@
garrow_array_statistics_get_null_count(GArrowArrayStatistics *statistics)
}
}
+/**
+ * garrow_array_statistics_has_distinct_count:
+ * @statistics: A #GArrowArrayStatistics.
+ *
+ * Returns: %TRUE if the distinct count is available, %FALSE otherwise.
+ *
+ * Since: 21.0.0
+ */
+gboolean
+garrow_array_statistics_has_distinct_count(GArrowArrayStatistics *statistics)
+{
+ auto priv = GARROW_ARRAY_STATISTICS_GET_PRIVATE(statistics);
+ return priv->statistics.distinct_count.has_value();
+}
+
+/**
+ * garrow_array_statistics_get_distinct_count:
+ * @statistics: A #GArrowArrayStatistics.
+ *
+ * Returns: 0 or larger value if @statistics has a valid distinct count value,
+ * -1 otherwise.
+ *
+ * Since: 21.0.0
+ */
+gint64
+garrow_array_statistics_get_distinct_count(GArrowArrayStatistics *statistics)
+{
+ auto priv = GARROW_ARRAY_STATISTICS_GET_PRIVATE(statistics);
+ const auto &distinct_count = priv->statistics.distinct_count;
+ if (distinct_count) {
+ return distinct_count.value();
+ } else {
+ return -1;
+ }
+}
+
+/**
+ * garrow_array_statistics_set_distinct_count:
+ * @statistics: A #GArrowArrayStatistics.
+ * @distinct_count: The distinct count value to set.
+ *
+ * Sets the distinct count for the array statistics.
+ *
+ * Since: 21.0.0
+ */
+void
+garrow_array_statistics_set_distinct_count(GArrowArrayStatistics *statistics,
+ gint64 distinct_count)
+{
+ auto priv = GARROW_ARRAY_STATISTICS_GET_PRIVATE(statistics);
+ priv->statistics.distinct_count = distinct_count;
+}
Review Comment:
fix:
[0a2c22c](https://github.com/apache/arrow/pull/46894/commits/0a2c22c9ce6ea374058c61df87991dc71a272446)
Sure.
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