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mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-04-18 21:44:02 +03:00

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DROP DATABASE IF EXISTS mcs226_db;
CREATE DATABASE mcs226_db;
USE mcs226_db;
CREATE TABLE t1
(
t1_INT INT,
t1_TEXT TEXT,
t1_CHAR_1 CHAR(1),
t1_DATE DATE,
t1_TIME TIME
)ENGINE=Columnstore;
INSERT INTO t1 VALUES(1, repeat('m',5), 'o', '1111-11-11', '11:22:30.123');
SELECT ELT(0, t1_TEXT, '1:1:1') FROM t1;
ELT(0, t1_TEXT, '1:1:1')
NULL
SELECT ELT(1, 'abcd', t1_TIME) FROM t1;
ELT(1, 'abcd', t1_TIME)
abcd
SELECT ELT(2, '12:12:12', 71917, 'mariadb columnstore', t1_DATE) FROM t1;
ELT(2, '12:12:12', 71917, 'mariadb columnstore', t1_DATE)
71917
SELECT t1_INT, t1_DATE, t1_TIME, ELT(t1_INT, t1_TEXT, t1_DATE) FROM t1 ORDER BY 1;
t1_INT t1_DATE t1_TIME ELT(t1_INT, t1_TEXT, t1_DATE)
1 1111-11-11 11:22:30 mmmmm
SELECT t1_INT, t1_DATE, t1_TIME, ELT(3, t1_TEXT, t1_CHAR_1, t1_DATE) FROM t1 ORDER BY 1;
t1_INT t1_DATE t1_TIME ELT(3, t1_TEXT, t1_CHAR_1, t1_DATE)
1 1111-11-11 11:22:30 1111-11-11
SELECT t1_INT, t1_DATE, t1_TIME, ELT(3, t1_TEXT, t1_DATE, 'Columnstore', t1_DATE) FROM t1 ORDER BY 1;
t1_INT t1_DATE t1_TIME ELT(3, t1_TEXT, t1_DATE, 'Columnstore', t1_DATE)
1 1111-11-11 11:22:30 Columnstore
SELECT t1_INT, t1_DATE, t1_TIME, ELT(4, t1_CHAR_1, t1_DATE, 'Columnstore', t1_TIME) FROM t1 ORDER BY 1;
t1_INT t1_DATE t1_TIME ELT(4, t1_CHAR_1, t1_DATE, 'Columnstore', t1_TIME)
1 1111-11-11 11:22:30 11:22:30
SELECT t1_INT, t1_DATE, t1_TIME, ELT(12, t1_CHAR_1, t1_TIME) FROM t1 ORDER BY 1;
t1_INT t1_DATE t1_TIME ELT(12, t1_CHAR_1, t1_TIME)
1 1111-11-11 11:22:30 NULL
SELECT t1_INT, t1_DATE, t1_TIME, ELT(t1_Text) FROM t1 ORDER BY 1;
ERROR 42000: Incorrect parameter count in the call to native function 'ELT'
DROP DATABASE mcs226_db;