Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19774#discussion_r152005780
--- Diff:
sql/core/src/test/resources/sql-tests/inputs/describe-table-column.sql ---
@@ -24,6 +24,19 @@ DESC EXTENDED desc_col_table key;
DESC FORMATTED desc_col_table key;
+-- Test output for histogram statistics
+SET spark.sql.statistics.histogram.enabled=true;
+SET spark.sql.statistics.histogram.numBins=2;
+
+INSERT INTO desc_col_table values 1, 2, 3, 4;
+
+ANALYZE TABLE desc_col_table COMPUTE STATISTICS FOR COLUMNS key;
+
+DESC EXTENDED desc_col_table key;
--- End diff --
shall we move these to the end of this file?
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