9 lines
		
	
	
		
			295 B
		
	
	
	
		
			MySQL
		
	
	
	
		
		
			
		
	
	
			9 lines
		
	
	
		
			295 B
		
	
	
	
		
			MySQL
		
	
	
	
| 
								 | 
							
								IF EXISTS (SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'Control_PointCropping' AND COLUMN_NAME = 'States')
							 | 
						||
| 
								 | 
							
								BEGIN
							 | 
						||
| 
								 | 
							
								    ALTER TABLE Control_PointCropping DROP COLUMN States;
							 | 
						||
| 
								 | 
							
								END
							 | 
						||
| 
								 | 
							
								go
							 | 
						||
| 
								 | 
							
								alter table Control_PointCropping add States int null
							 | 
						||
| 
								 | 
							
								go
							 | 
						||
| 
								 | 
							
								update Control_PointCropping set States=0
							 | 
						||
| 
								 | 
							
								go
							 |