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MCOL-5250 add test
This commit is contained in:
aleksei.bukhalov
committed by
Leonid Fedorov
Leonid Fedorov
parent
84c145590c
commit
9e1f5db0a0
@@ -0,0 +1,230 @@
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DROP DATABASE IF EXISTS mcs_distinct_test;
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CREATE DATABASE mcs_distinct_test;
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USE mcs_distinct_test;
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CREATE TABLE t1 (col1 INT, col2 CHAR(5)) ENGINE=ColumnStore;
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INSERT INTO t1 VALUES
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(NULL, NULL),
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(1,'a'),
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(1,'b'),
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(1,'c'),
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(2,'dd'),
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(3,'eee');
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CREATE TABLE t2(col1 INT) ENGINE=ColumnStore;
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CREATE TABLE t3 (name VARCHAR(255)) ENGINE=ColumnStore;
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INSERT INTO t3 VALUES ('aa'),('ab'),('ac'),('ad'),('ae');
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CREATE TABLE t4 (col1 INT, col3 VARCHAR(10)) ENGINE=ColumnStore;
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INSERT INTO t4 VALUES (1,'x'), (2,'y'), (3,'z');
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CREATE TABLE t5 (a INT, b INT, c VARCHAR(5)) ENGINE=ColumnStore;
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INSERT INTO t5 VALUES
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(1,1,'x'), (1,2,'x'), (2,1,'y'), (2,2,'y'), (3,1,'z');
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CREATE TABLE t6 (num INT) ENGINE=ColumnStore;
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INSERT INTO t6 VALUES (1),(2),(3),(4),(5),(6);
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CREATE TABLE t7a (id INT, val INT) ENGINE=ColumnStore;
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CREATE TABLE t7b (id INT, extra INT) ENGINE=ColumnStore;
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INSERT INTO t7a VALUES (1,100),(2,200),(3,300);
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INSERT INTO t7b VALUES (1,10),(2,20),(4,40);
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CREATE TABLE t8 (id INT, cat CHAR(1)) ENGINE=ColumnStore;
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INSERT INTO t8 VALUES (1,'A'),(2,'B'),(3,'A'),(4,'C');
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SET columnstore_unstable_optimizer=0;
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SELECT COUNT(DISTINCT col1) FROM t1;
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COUNT(DISTINCT col1)
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3
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SELECT COUNT(DISTINCT col2) FROM t1;
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COUNT(DISTINCT col2)
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5
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SELECT DISTINCT col1 FROM t1 ORDER BY col1;
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col1
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NULL
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1
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2
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3
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SELECT DISTINCT col1 FROM t1 ORDER BY col1 DESC;
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col1
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3
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2
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1
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NULL
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SELECT DISTINCT col2 FROM t1 ORDER BY col2;
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col2
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NULL
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a
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b
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c
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dd
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eee
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INSERT INTO t2 SELECT DISTINCT col1 FROM t1 ORDER BY col1;
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SELECT * FROM t2 ORDER BY col1;
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col1
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NULL
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1
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2
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3
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SELECT DISTINCT * FROM t3 ORDER BY name;
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name
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aa
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ab
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ac
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ad
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ae
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SELECT DISTINCT name FROM t3 ORDER BY name LIMIT 2;
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name
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aa
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ab
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SELECT DISTINCT 1 FROM t3 LIMIT 3;
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1
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1
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SELECT DISTINCT t1.col1 FROM t1 JOIN t4 ON t1.col1 = t4.col1 ORDER BY t1.col1;
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col1
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1
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2
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3
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SELECT DISTINCT a, b FROM t5 ORDER BY a,b;
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a b
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1 1
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1 2
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2 1
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2 2
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3 1
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SELECT DISTINCT a, c FROM t5 ORDER BY a,c;
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a c
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1 x
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2 y
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3 z
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SELECT DISTINCT b, c FROM t5 ORDER BY b,c;
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b c
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1 x
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1 y
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1 z
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2 x
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2 y
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SELECT DISTINCT MOD(num,2) AS mod2 FROM t6 ORDER BY mod2;
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mod2
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0
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1
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SELECT DISTINCT num+10 AS num10 FROM t6 ORDER BY num10;
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num10
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11
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12
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13
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14
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15
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16
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SELECT DISTINCT a.id, a.val, b.extra
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FROM t7a a JOIN t7b b ON a.id = b.id
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ORDER BY a.id, b.extra;
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id val extra
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1 100 10
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2 200 20
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SELECT DISTINCT cat FROM t8 ORDER BY cat LIMIT 2;
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cat
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A
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B
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SELECT DISTINCT id, cat FROM t8 WHERE id > 1 ORDER BY id;
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id cat
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2 B
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3 A
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4 C
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SET columnstore_unstable_optimizer=1;
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SELECT COUNT(DISTINCT col1) FROM t1;
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COUNT(DISTINCT col1)
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3
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SELECT COUNT(DISTINCT col2) FROM t1;
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COUNT(DISTINCT col2)
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5
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SELECT DISTINCT col1 FROM t1 ORDER BY col1;
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col1
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NULL
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1
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2
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3
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SELECT DISTINCT col1 FROM t1 ORDER BY col1 DESC;
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col1
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3
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2
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1
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NULL
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SELECT DISTINCT col2 FROM t1 ORDER BY col2;
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col2
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NULL
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a
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b
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c
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dd
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eee
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INSERT INTO t2 SELECT DISTINCT col1 FROM t1 ORDER BY col1;
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SELECT * FROM t2 ORDER BY col1;
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col1
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NULL
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NULL
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1
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1
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2
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2
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3
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3
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SELECT DISTINCT * FROM t3 ORDER BY name;
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name
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aa
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ab
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ac
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ad
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ae
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SELECT DISTINCT name FROM t3 ORDER BY name LIMIT 2;
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name
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aa
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ab
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SELECT DISTINCT 1 FROM t3 LIMIT 3;
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1
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1
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SELECT DISTINCT t1.col1 FROM t1 JOIN t4 ON t1.col1 = t4.col1 ORDER BY t1.col1;
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col1
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1
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2
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3
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SELECT DISTINCT a, b FROM t5 ORDER BY a,b;
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a b
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1 1
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1 2
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2 1
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2 2
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3 1
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SELECT DISTINCT a, c FROM t5 ORDER BY a,c;
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a c
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1 x
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2 y
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3 z
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SELECT DISTINCT b, c FROM t5 ORDER BY b,c;
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b c
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1 x
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1 y
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1 z
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2 x
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2 y
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SELECT DISTINCT MOD(num,2) AS mod2 FROM t6 ORDER BY mod2;
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mod2
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0
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1
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SELECT DISTINCT num+10 AS num10 FROM t6 ORDER BY num10;
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num10
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11
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12
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13
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14
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15
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16
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SELECT DISTINCT a.id, a.val, b.extra
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FROM t7a a JOIN t7b b ON a.id = b.id
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ORDER BY a.id, b.extra;
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id val extra
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1 100 10
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2 200 20
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SELECT DISTINCT cat FROM t8 ORDER BY cat LIMIT 2;
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cat
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A
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B
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SELECT DISTINCT id, cat FROM t8 WHERE id > 1 ORDER BY id;
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id cat
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2 B
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3 A
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4 C
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DROP DATABASE mcs_distinct_test;
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