[Impro](regression-test) More test cases for function round (apache#2…

…4791)
LemonLiTree · Sep 25, 2023 · cdc8189 · cdc8189
1 parent c9ef5ef
commit cdc8189
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diff --git a/regression-test/data/query_p0/sql_functions/math_functions/test_round.out b/regression-test/data/query_p0/sql_functions/math_functions/test_round.out
@@ -11,6 +11,30 @@
 -- !select --
 10.12
 
+-- !select --
+0.0	0.0
+0.5	0.0
+1.0	1.0
+1.5	2.0
+2.0	2.0
+2.5	2.0
+3.0	3.0
+3.5	4.0
+4.0	4.0
+4.5	4.0
+
+-- !select --
+0.0	0.0
+0.5	1.0
+1.0	1.0
+1.5	2.0
+2.0	2.0
+2.5	3.0
+3.0	3.0
+3.5	4.0
+4.0	4.0
+4.5	5.0
+
 -- !truncate --
 1	1989	1001	123.1	0.1	6.3
 2	1986	1001	1243.5	20.2	789.2

diff --git a/regression-test/suites/query_p0/sql_functions/math_functions/test_round.groovy b/regression-test/suites/query_p0/sql_functions/math_functions/test_round.groovy
@@ -21,6 +21,11 @@
     qt_select "SELECT round_bankers(10.12345)"
     qt_select "SELECT round_bankers(10.12345, 2)"
 
+    // test tie case 1: float, banker's rounding
+    qt_select "SELECT number*10/100 AS x, ROUND(number * 10 / 100) from NUMBERS('number'=50) where number % 5 = 0 ORDER BY x;"
+    // test tie case 2: decimal, rounded up when tie
+    qt_select "SELECT number*10/100 AS x, ROUND(CAST(number * 10 AS DECIMALV3(10,2)) / 100) from NUMBERS('number'=50) where number % 5 = 0 ORDER BY x;"
+
     def tableTest = "test_query_db.test"
     qt_truncate "select truncate(k1, 1), truncate(k2, 1), truncate(k3, 1), truncate(k5, 1), truncate(k8, 1), truncate(k9, 1) from ${tableTest} order by 1;"