41 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
		
		
			
		
	
	
			41 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
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								# ===== csv_alter_table.1 =====
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								DROP TABLE IF EXISTS t1;
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								CREATE TABLE t1 (a int NOT NULL) ENGINE = CSV;
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								ALTER TABLE t1 ADD COLUMN b CHAR(5) NOT NULL;
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								DESC t1;
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								Field	Type	Null	Key	Default	Extra
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								a	int(11)	NO		NULL	
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								b	char(5)	NO		NULL	
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								ALTER TABLE t1 DROP COLUMN b;
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								DESC t1;
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								Field	Type	Null	Key	Default	Extra
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								a	int(11)	NO		NULL	
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								ALTER TABLE t1 MODIFY a BIGINT NOT NULL;
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								DESC t1;
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								Field	Type	Null	Key	Default	Extra
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								a	bigint(20)	NO		NULL	
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								ALTER TABLE t1 CHANGE a a INT NOT NULL;
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								DESC t1;
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								Field	Type	Null	Key	Default	Extra
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								a	int(11)	NO		NULL	
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								DROP TABLE t1;
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								# ===== csv_alter_table.2 =====
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								DROP TABLE IF EXISTS t1;
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								CREATE TABLE t1 (a int NOT NULL) ENGINE = CSV;
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								ALTER TABLE t1 ADD COLUMN b CHAR(5);
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								ERROR 42000: The storage engine for the table doesn't support nullable columns
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								DESC t1;
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								Field	Type	Null	Key	Default	Extra
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								a	int(11)	NO		NULL	
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								ALTER TABLE t1 MODIFY a BIGINT;
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								ERROR 42000: The storage engine for the table doesn't support nullable columns
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								DESC t1;
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								Field	Type	Null	Key	Default	Extra
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								a	int(11)	NO		NULL	
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								ALTER TABLE t1 CHANGE a a INT;
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								ERROR 42000: The storage engine for the table doesn't support nullable columns
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								DESC t1;
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								Field	Type	Null	Key	Default	Extra
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								a	int(11)	NO		NULL	
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								DROP TABLE t1;
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