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32 lines
1.2 KiB
Plaintext
32 lines
1.2 KiB
Plaintext
#
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# Test VARIANCE() 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 mcs145_db;
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--enable_warnings
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CREATE DATABASE mcs145_db;
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USE mcs145_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', 12),('a', 13),('b', 14),('b', 15),('b', 16),('b', 17),('b', 18),('a', 19);
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SELECT a, b, VARIANCE(b) OVER(PARTITION BY a) variance FROM t1;
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SELECT a, b, VARIANCE(b) OVER(PARTITION BY a DESC) variance FROM t1;
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SELECT a, b, VARIANCE(b) OVER(PARTITION BY b DESC) variance FROM t1;
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SELECT a, b, VARIANCE(b) OVER(PARTITION BY b) variance FROM t1;
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SELECT a, b, VARIANCE(b) OVER(ORDER BY a) variance FROM t1;
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SELECT a, b, VARIANCE(b) OVER(ORDER BY b) variance FROM t1;
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SELECT a, b, VARIANCE(b) OVER(ORDER BY a DESC) variance FROM t1;
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SELECT a, b, VARIANCE(b) OVER(ORDER BY b DESC) variance FROM t1;
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SELECT a, b, VARIANCE(b) OVER(PARTITION BY a ORDER BY b) variance FROM t1;
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SELECT a, b, VARIANCE(b) OVER(PARTITION BY b ORDER BY a) variance FROM t1;
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SELECT a, b, VARIANCE(b) OVER(PARTITION BY b ORDER BY b DESC) variance FROM t1;
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SELECT a, b, VARIANCE(b) OVER(PARTITION BY a ORDER BY a DESC) variance FROM t1;
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# Clean UP
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DROP DATABASE mcs145_db;
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