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csv_not_null.result
# ===== csv_not_null.1 ===== DROP TABLE IF EXISTS t1, t2; # === Will fail -- no NOT NULL === CREATE TABLE t1 (a int) ENGINE = CSV; ERROR 42000: The storage engine for the table doesn't support nullable columns # === Good CREATE === CREATE TABLE t1 (a int NOT NULL) ENGINE = CSV; # === Will fail -- ALL columns need NOT NULL == CREATE TABLE t2 (a int NOT NULL, b char(20)) ENGINE = CSV; ERROR 42000: The storage engine for the table doesn't support nullable columns DROP TABLE t1; # ===== csv_not_null.2 ===== DROP TABLE IF EXISTS t1; SET sql_mode = 'NO_ENGINE_SUBSTITUTION'; Warnings: Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release. CREATE TABLE t1 (a int NOT NULL, b blob NOT NULL, c CHAR(20) NOT NULL, d VARCHAR(20) NOT NULL, e enum('foo','bar') NOT NULL,f DATE NOT NULL) ENGINE = CSV; # === should result in default for each datatype === INSERT INTO t1 VALUES(); SELECT * FROM t1; a b c d e f 0 foo 0000-00-00 INSERT INTO t1 VALUES(default,default,default,default,default,default); SELECT * FROM t1; a b c d e f 0 foo 0000-00-00 0 foo 0000-00-00 INSERT INTO t1 VALUES(0,'abc','def','ghi','bar','1999-12-31'); SELECT * FROM t1; a b c d e f 0 foo 0000-00-00 0 foo 0000-00-00 0 abc def ghi bar 1999-12-31 # === insert failures === INSERT INTO t1 VALUES(NULL,'ab','a','b','foo','2007-01-01'); ERROR 23000: Column 'a' cannot be null INSERT INTO t1 VALUES(default(a),default(b), default(c), default(d), default(e), default(f)); ERROR HY000: Field 'a' doesn't have a default value DROP TABLE t1; # ===== csv_not_null.3 ===== DROP TABLE IF EXISTS t1; CREATE TABLE t1 (a int NOT NULL, b char(10) NOT NULL) ENGINE = CSV; INSERT INTO t1 VALUES(); SELECT * FROM t1; a b 0 UPDATE t1 set b = 'new_value' where a = 0; SELECT * FROM t1; a b 0 new_value UPDATE t1 set b = NULL where b = 'new_value'; Warnings: Warning 1048 Column 'b' cannot be null SELECT * FROM t1; a b 0 DROP TABLE t1; SET sql_mode = default;