add benchmark queries

benchmark/quries/Clickhouse/q0

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+-- q0 select rows
+CREATE TABLE res0 (a String, b Int32, c Int32, d Int32) ENGINE = MergeTree() ORDER BY b AS
+SELECT * FROM benchmark.trade10m

benchmark/quries/Clickhouse/q1

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+-- groupby_multi_different_functions
+SELECT avg(quantity), min(price)
+FROM benchmark.trade10m
+GROUP BY stocksymbol, time

benchmark/quries/Clickhouse/q10

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+-- max rolling std
+select
+    stocksymbol,
+    max(stddevPop(price)) over
+        (partition by stocksymbol rows between 2 preceding AND CURRENT row) as maxRollingStd
+from 
+(SELECT * FROM benchmark.trade01m ORDER BY time)
+GROUP BY stocksymbol

benchmark/quries/Clickhouse/q2

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+-- count values
+SELECT COUNT(*) FROM benchmark.trade10m

benchmark/quries/Clickhouse/q3

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+-- group by multiple keys
+SELECT sum(quantity)
+FROM benchmark.trade10m
+GROUP BY stocksymbol, price

benchmark/quries/Clickhouse/q4

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+-- append two tables
+SELECT * FROM benchmark.trade10m UNION ALL SELECT * FROM benchmark.trade10m

benchmark/quries/Clickhouse/q7

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+-- moving_avg
+SELECT stocksymbol, groupArrayMovingAvg(5)(price) AS moving_avg_price
+FROM 
+(SELECT * FROM benchmark.trade01m ORDER BY time)
+GROUP BY stocksymbol

benchmark/quries/Clickhouse/q8

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+SELECT stocksymbol, quantity, price
+FROM benchmark.trade10m
+WHERE time >= 5288 and time <= 7000

benchmark/quries/Clickhouse/q9

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+SELECT stocksymbol, MAX(price) - MIN(price)
+FROM benchmark.trade1m
+GROUP BY stocksymbol