SET NAMES utf8;
#
# Testing errors
#
CREATE TABLE t1
(
ID INT NOT NULL
) Engine=CONNECT TABLE_TYPE=CSV FILE_NAME='nonexistent.txt';
SELECT * FROM t1;
ID
Warnings:
Warning 1105 Open(rb) error2 on DATADIR/test/nonexistent.txt: No such file or directory
DROP TABLE t1;
#
# Testing examples from the manual
#
CREATE TABLE t1
(
name CHAR(12) NOT NULL,
birth DATE NOT NULL DATE_FORMAT='DD/MM/YY',
children SMALLINT(2) NOT NULL
) ENGINE=CONNECT TABLE_TYPE=CSV FILE_NAME='people.csv'
HEADER=1 SEP_CHAR=';' QUOTED=1;
SELECT * FROM t1;
name birth children
Archibald 2001-05-173
Nabucho 2003-08-122
INSERT INTO t1 VALUES ('RONALD','1980-02-26',4);
SELECT * FROM t1;
name birth children
Archibald 2001-05-173
Nabucho 2003-08-122
RONALD 1980-02-264
DROP TABLE t1;
SELECT REPLACE(LOAD_FILE('DATADIR/test/people.csv'),'\r\n','\n') AS file_contents;;
file_contents
Name;birth;children "Archibald";17/05/01;3 "Nabucho";12/08/03;2 "RONALD";26/02/80;4
#
# Testing READONLY tables
#
CREATE TABLE t1
(
name CHAR(12) NOT NULL,
birth DATE NOT NULL DATE_FORMAT='DD/MM/YY',
children SMALLINT(2) NOT NULL
) ENGINE=CONNECT TABLE_TYPE=CSV FILE_NAME='people.csv'
HEADER=1 SEP_CHAR=';' QUOTED=1 READONLY=yes;
INSERT INTO t1 VALUES ('BILL','1973-06-30',5); ERROR HY000: Table 't1' is read only
UPDATE t1 SET children=6 WHERE name='BILL'; ERROR HY000: Got error174'Cannot modify this read/only protected table' from CONNECT
DELETE FROM t1 WHERE name='BILL'; ERROR HY000: Got error174'Cannot modify this read/only protected table' from CONNECT
TRUNCATE TABLE t1; ERROR HY000: Table 't1' is read only
SELECT * FROM t1;
name birth children
Archibald 2001-05-173
Nabucho 2003-08-122
RONALD 1980-02-264
ALTER TABLE t1 READONLY=no;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`name` char(12) NOT NULL,
`birth` date NOT NULL `DATE_FORMAT`='DD/MM/YY',
`children` smallint(2) NOT NULL
) ENGINE=CONNECT DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci `TABLE_TYPE`='CSV' `FILE_NAME`='people.csv' `HEADER`='1' `SEP_CHAR`=';' `QUOTED`='1' `READONLY`='no'
INSERT INTO t1 VALUES ('BILL','1973-06-30',5);
SELECT * FROM t1;
name birth children
Archibald 2001-05-173
Nabucho 2003-08-122
RONALD 1980-02-264
BILL 1973-06-305
ALTER TABLE t1 READONLY=1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`name` char(12) NOT NULL,
`birth` date NOT NULL `DATE_FORMAT`='DD/MM/YY',
`children` smallint(2) NOT NULL
) ENGINE=CONNECT DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci `TABLE_TYPE`='CSV' `FILE_NAME`='people.csv' `HEADER`='1' `SEP_CHAR`=';' `QUOTED`='1' `READONLY`='1'
INSERT INTO t1 VALUES ('BILL','1973-06-30',5); ERROR HY000: Table 't1' is read only
SELECT * FROM t1;
name birth children
Archibald 2001-05-173
Nabucho 2003-08-122
RONALD 1980-02-264
BILL 1973-06-305
DROP TABLE t1;
#
# Testing that the underlying file is created
#
CREATE TABLE t1
(
c1 CHAR(12) NOT NULL,
c2 CHAR(12) NOT NULL
) ENGINE=CONNECT TABLE_TYPE=CSV FILE_NAME='tmp.csv'
HEADER=1 SEP_CHAR=',' QUOTED=1;
INSERT INTO t1 VALUES (10,10),(20,20),(300,300),(4000,4000), ('a b','c d');
SELECT * FROM t1;
c1 c2 1010 2020 300300 40004000
a b c d
DROP TABLE t1;
SELECT REPLACE(LOAD_FILE('DATADIR/test/tmp.csv'),'\r\n','\n') AS file_contents;;
file_contents "c1","c2" "10","10" "20","20" "300","300" "4000","4000" "a b","c d"
#
# Creating a CSV table from a MyISAM table
#
CREATE TABLE t1 (a VARCHAR(10) NOT NULL, b INT NOT NULL) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('test1',1), ('test2',2);
CREATE TABLE t2 ENGINE=CONNECT TABLE_TYPE=CSV FILE_NAME='t2.csv'
AS SELECT * FROM t1;
SELECT * FROM t2;
a b
test1 1
test2 2
DROP TABLE t2;
DROP TABLE t1;
SELECT REPLACE(LOAD_FILE('DATADIR/test/t2.csv'),'\r\n','\n') AS file_contents;;
file_contents
test1,1
test2,2
#
# Testing international data
#
CREATE TABLE t1
(
c1 CHAR(12) NOT NULL
) ENGINE=CONNECT TABLE_TYPE=CSV FILE_NAME='t1.csv'
CHARSET=utf8;
INSERT INTO t1 VALUES ('á');
SELECT * FROM t1;
c1
á
DROP TABLE t1;
SELECT HEX(REPLACE(LOAD_FILE('DATADIR/test/t1.csv'),'\r\n','\n')) AS file_contents;;
file_contents
C3A10A
CREATE TABLE t1
(
c1 CHAR(12) NOT NULL
) ENGINE=CONNECT TABLE_TYPE=CSV FILE_NAME='t1.csv'
CHARSET=utf8 DATA_CHARSET=latin1;
INSERT INTO t1 VALUES ('á');
SELECT * FROM t1;
c1
á
DROP TABLE t1;
SELECT HEX(REPLACE(LOAD_FILE('DATADIR/test/t1.csv'),'\r\n','\n')) AS file_contents;;
file_contents
E10A
CREATE TABLE t1
(
c1 CHAR(12) NOT NULL
) ENGINE=CONNECT TABLE_TYPE=CSV FILE_NAME='t1.csv' CHARSET=latin1;
INSERT INTO t1 VALUES ('á');
SELECT * FROM t1;
c1
á
DROP TABLE t1;
SELECT HEX(REPLACE(LOAD_FILE('DATADIR/test/t1.csv'),'\r\n','\n')) AS file_contents;;
file_contents
E10A
CREATE TABLE t1
(
c1 CHAR(12) NOT NULL
) ENGINE=CONNECT TABLE_TYPE=CSV FILE_NAME='t1.csv'
CHARSET=latin1;
INSERT INTO t1 VALUES ('á');
SELECT * FROM t1;
c1
á
DROP TABLE t1;
SELECT HEX(REPLACE(LOAD_FILE('DATADIR/test/t1.csv'),'\r\n','\n')) AS file_contents;;
file_contents
E10A
CREATE TABLE t1
(
c1 CHAR(12) NOT NULL
) ENGINE=CONNECT TABLE_TYPE=CSV FILE_NAME='t1.csv'
CHARSET=latin1 DATA_CHARSET=utf8;
INSERT INTO t1 VALUES ('á');
SELECT * FROM t1;
c1
á
DROP TABLE t1;
SELECT HEX(REPLACE(LOAD_FILE('DATADIR/test/t1.csv'),'\r\n','\n')) AS file_contents;;
file_contents
C3A10A
CREATE TABLE t1
(
c1 CHAR(12) CHARACTER SET latin1 NOT NULL,
c2 CHAR(12) CHARACTER SET utf8 NOT NULL
) ENGINE=CONNECT TABLE_TYPE=CSV FILE_NAME='t1.csv';
INSERT INTO t1 VALUES ('á','á');
SELECT * FROM t1;
c1 c2
á á
DROP TABLE t1;
SELECT HEX(REPLACE(LOAD_FILE('DATADIR/test/t1.csv'),'\r\n','\n')) AS file_contents;;
file_contents
E12CC3A10A
Messung V0.5 in Prozent
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(vorverarbeitet am 2026-10-08)
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