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31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
#
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# Test AVG() Window Function
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# Author: Bharath, bharath.bokka@mariadb.com
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#
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-- source ../include/have_columnstore.inc
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--disable_warnings
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DROP DATABASE IF EXISTS mcs151_db;
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--enable_warnings
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CREATE DATABASE mcs151_db;
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USE mcs151_db;
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CREATE TABLE t1 (a CHAR(1), b INT)ENGINE=Columnstore;
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INSERT INTO t1 VALUES ('', NULL),('a', 123),('a', 1),('b', 123),('c', 1861),('c', 1991),('d', 10701),('d', 1071),('a', 92);
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SELECT a, b, AVG(b) OVER(ORDER BY a) avg FROM t1;
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SELECT a, b, AVG(b) OVER(ORDER BY b DESC) avg FROM t1;
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SELECT a, b, AVG(b) OVER w avg FROM t1 WINDOW w AS (ORDER BY a DESC);
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SELECT a, b, AVG(b) OVER w avg FROM t1 WINDOW w AS (ORDER BY b);
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SELECT a, b, AVG(b) OVER(PARTITION BY a) avg FROM t1;
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SELECT a, b, AVG(b) OVER(PARTITION BY b) avg FROM t1;
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SELECT a, b, AVG(b) OVER(PARTITION BY a ORDER BY a DESC) avg FROM t1;
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SELECT a, b, AVG(b) OVER(PARTITION BY a ORDER BY b DESC) avg FROM t1;
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SELECT a, b, AVG(b) OVER(PARTITION BY a ORDER BY b ASC) avg FROM t1;
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SELECT a, b, AVG(b) OVER(PARTITION BY b ORDER BY a DESC) avg FROM t1;
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SELECT a, b, AVG(b) OVER(PARTITION BY b ORDER BY b DESC) avg FROM t1;
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# Clean UP
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DROP DATABASE mcs151_db;
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