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mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-04-20 09:07:44 +03:00

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DROP DATABASE IF EXISTS mcs259_db;
CREATE DATABASE mcs259_db;
USE mcs259_db;
CREATE TABLE t1 (a INT, b VARCHAR(30))ENGINE=Columnstore;
INSERT INTO t1 VALUES (NULL, ''),(1, 'mariadb'),(2, 'columnstore'),(3, 'mariadb columnstore');
SELECT INSTR('abcdefghi', 'i') FROM t1 LIMIT 1;
INSTR('abcdefghi', 'i')
9
SELECT INSTR('abcdefghi', 'z') FROM t1 LIMIT 1;
INSTR('abcdefghi', 'z')
0
SELECT INSTR('pqrstuvwxyz', 'u') FROM t1 LIMIT 1;
INSTR('pqrstuvwxyz', 'u')
6
SELECT INSTR('mnopmm', 'm') FROM t1 LIMIT 1;
INSTR('mnopmm', 'm')
1
SELECT INSTR('mnopmm', 'mm') FROM t1 LIMIT 1;
INSTR('mnopmm', 'mm')
5
SELECT b, INSTR(b, 'mariadb') FROM t1 ORDER BY 1;
b INSTR(b, 'mariadb')
NULL NULL
columnstore 0
mariadb 1
mariadb columnstore 1
SELECT b, INSTR(concat(b,'pqr'), 'qr') FROM t1 ORDER BY 1;
b INSTR(concat(b,'pqr'), 'qr')
NULL NULL
columnstore 13
mariadb 9
mariadb columnstore 21
SELECT b, INSTR(concat('pqr', b), 'qr') FROM t1 ORDER BY 1;
b INSTR(concat('pqr', b), 'qr')
NULL NULL
columnstore 2
mariadb 2
mariadb columnstore 2
SELECT b, INSTR(b) FROM t1 ORDER BY 1;
ERROR 42000: Incorrect parameter count in the call to native function 'INSTR'
DROP DATABASE mcs259_db;