From 4b9a1390ff9e463e2f87d655150cd2d1b48d0a64 Mon Sep 17 00:00:00 2001
From: sundy-li <543950155@qq.com>
Date: Mon, 13 Aug 2018 17:28:49 +0800
Subject: [PATCH] add quantile tests

---
 .../00181_aggregate_functions_statistics.reference  |  8 ++++++++
 .../00181_aggregate_functions_statistics.sql        | 13 +++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/dbms/tests/queries/0_stateless/00181_aggregate_functions_statistics.reference b/dbms/tests/queries/0_stateless/00181_aggregate_functions_statistics.reference
index 4338ddbb043..b4a55ae0d66 100644
--- a/dbms/tests/queries/0_stateless/00181_aggregate_functions_statistics.reference
+++ b/dbms/tests/queries/0_stateless/00181_aggregate_functions_statistics.reference
@@ -19,3 +19,11 @@ nan
 nan
 nan
 0
+----quantile----
+45
+0
+nan
+nan
+nan
+nan
+nan
diff --git a/dbms/tests/queries/0_stateless/00181_aggregate_functions_statistics.sql b/dbms/tests/queries/0_stateless/00181_aggregate_functions_statistics.sql
index dc82c991918..589e5d92aca 100644
--- a/dbms/tests/queries/0_stateless/00181_aggregate_functions_statistics.sql
+++ b/dbms/tests/queries/0_stateless/00181_aggregate_functions_statistics.sql
@@ -139,4 +139,17 @@ SELECT corr(x_value, y_value) FROM (SELECT x_value, y_value FROM test.series LIM
 
 SELECT round(abs(corr(x_value, y_value) - covarPop(x_value, y_value) / (stddevPop(x_value) * stddevPop(y_value))), 6) FROM test.series;
 
+/* quantile AND quantileExact */
+SELECT '----quantile----';
+
+SELECT quantileExactIf(number, number > 0) FROM numbers(90);
+
+SELECT quantileExactIf(number, number > 100) FROM numbers(90);
+SELECT quantileExactIf(toFloat32(number) , number > 100) FROM numbers(90);
+SELECT quantileExactIf(toFloat64(number) , number > 100) FROM numbers(90);
+
+SELECT quantileIf(number, number > 100) FROM numbers(90);
+SELECT quantileIf(toFloat32(number) , number > 100) FROM numbers(90);
+SELECT quantileIf(toFloat64(number) , number > 100) FROM numbers(90);
+
 DROP TABLE test.series;