mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-20 09:07:44 +03:00
56 lines
1.1 KiB
Plaintext
56 lines
1.1 KiB
Plaintext
DROP DATABASE IF EXISTS mcs222_db;
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CREATE DATABASE mcs222_db;
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USE mcs222_db;
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CREATE TABLE t1 (a INT, b CHAR(15))ENGINE=Columnstore;
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INSERT INTO t1 VALUES (NULL, ''),(1, 'a'),(2, 'aqaaqq'),(3, 'cqcqqcq'),(4, 'qdqdqqdq'),(5, 'aaaqq');
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SELECT POSITION('zz' IN 'aazazazapq');
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POSITION('zz' IN 'aazazazapq')
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0
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SELECT POSITION('zz' IN 'zzaazapq');
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POSITION('zz' IN 'zzaazapq')
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1
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SELECT POSITION('zz' IN 'aazzzazzaq');
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POSITION('zz' IN 'aazzzazzaq')
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3
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SELECT b, POSITION('a' IN b) FROM t1 ORDER BY b;
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b POSITION('a' IN b)
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NULL NULL
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a 1
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aaaqq 1
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aqaaqq 1
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cqcqqcq 0
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qdqdqqdq 0
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SELECT b, POSITION('aa' IN b) FROM t1 ORDER BY b;
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b POSITION('aa' IN b)
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NULL NULL
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a 0
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aaaqq 1
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aqaaqq 3
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cqcqqcq 0
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qdqdqqdq 0
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SELECT b, POSITION('aaa' IN b) FROM t1 ORDER BY b;
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b POSITION('aaa' IN b)
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NULL NULL
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a 0
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aaaqq 1
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aqaaqq 0
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cqcqqcq 0
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qdqdqqdq 0
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SELECT b, POSITION('qq' IN b) FROM t1 ORDER BY b;
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b POSITION('qq' IN b)
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NULL NULL
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a 0
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aaaqq 4
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aqaaqq 5
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cqcqqcq 4
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qdqdqqdq 5
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SELECT b, POSITION(concat(b, 'zzz') IN 'azzzghijk') FROM t1 ORDER BY b;
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b POSITION(concat(b, 'zzz') IN 'azzzghijk')
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NULL NULL
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a 1
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aaaqq 0
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aqaaqq 0
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cqcqqcq 0
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qdqdqqdq 0
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DROP DATABASE mcs222_db;
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