N/A for min and max in calshowpartitions

CREATE TABLE t1 (a DECIMAL(17,1)) ENGINE=ColumnStore;
INSERT INTO t1 VALUES (-8999999999999999.9);
SELECT * FROM t1 WHERE a=0;
SELECT calshowpartitions('t1','a');

should give:
Part# Min Max Status
0.0.1 -8999999999999999.9 -8999999999999999.9 Enabled

but sometimes give:
Part# Min Max Status
0.0.1 N/A N/A Enabled