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23 lines
594 B
Plaintext
23 lines
594 B
Plaintext
#
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# Test Variance functions
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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 mcs95_db;
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--enable_warnings
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CREATE DATABASE mcs95_db;
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USE mcs95_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),('c', 15),('d', 16),('d', 17),('b', 18),('a', 19);
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SELECT a, VARIANCE(b) FROM t1 GROUP BY a ORDER BY a;
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SELECT a, VAR_POP(b) FROM t1 GROUP BY a ORDER BY a;
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SELECT a, VAR_SAMP(b) FROM t1 GROUP BY a ORDER BY a;
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# Clean UP
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DROP DATABASE mcs95_db;
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