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			83 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
| SET @@session.default_storage_engine = 'MyISAM';
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| create table t1 (a int,
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| b int generated always as (-a) virtual,
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| c int generated always as (-a) stored,
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| d char(1),
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| index (a),
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| index (c));
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| insert into t1 (a,d) values (4,'a'), (2,'b'), (1,'c'), (3,'d');
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| select * from t1;
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| a	b	c	d
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| 4	-4	-4	a
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| 2	-2	-2	b
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| 1	-1	-1	c
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| 3	-3	-3	d
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| # HANDLER tbl_name OPEN
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| handler t1 open;
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| # HANDLER tbl_name READ non-gcol_index_name > (value1,value2,...)
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| handler t1 read a > (2);
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| a	b	c	d
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| 3	-3	-3	d
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| # HANDLER tbl_name READ non-gcol_index_name > (value1,value2,...) WHERE non-gcol_field=expr
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| handler t1 read a > (2) where d='c';
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| a	b	c	d
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| # HANDLER tbl_name READ gcol_index_name = (value1,value2,...)
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| handler t1 read c = (-2);
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| a	b	c	d
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| 2	-2	-2	b
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| # HANDLER tbl_name READ gcol_index_name = (value1,value2,...) WHERE non-gcol_field=expr
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| handler t1 read c = (-2) where d='c';
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| a	b	c	d
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| # HANDLER tbl_name READ non-gcol_index_name > (value1,value2,...) WHERE gcol_field=expr
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| handler t1 read a > (2) where b=-3 && c=-3;
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| a	b	c	d
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| 3	-3	-3	d
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| # HANDLER tbl_name READ gcol_index_name <= (value1,value2,...)
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| handler t1 read c <= (-2);
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| a	b	c	d
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| 2	-2	-2	b
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| # HANDLER tbl_name READ gcol_index_name > (value1,value2,...) WHERE gcol_field=expr
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| handler t1 read c <= (-2) where b=-3;
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| a	b	c	d
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| 3	-3	-3	d
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| # HANDLER tbl_name READ gcol_index_name FIRST
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| handler t1 read c first;
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| a	b	c	d
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| 4	-4	-4	a
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| # HANDLER tbl_name READ gcol_index_name NEXT
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| handler t1 read c next;
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| a	b	c	d
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| 3	-3	-3	d
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| # HANDLER tbl_name READ gcol_index_name PREV
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| handler t1 read c prev;
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| a	b	c	d
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| 4	-4	-4	a
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| # HANDLER tbl_name READ gcol_index_name LAST
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| handler t1 read c last;
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| a	b	c	d
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| 1	-1	-1	c
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| # HANDLER tbl_name READ FIRST where non-gcol=expr
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| handler t1 read FIRST where a >= 2;
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| a	b	c	d
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| 4	-4	-4	a
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| # HANDLER tbl_name READ FIRST where gcol=expr
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| handler t1 read FIRST where b >= -2;
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| a	b	c	d
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| 2	-2	-2	b
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| # HANDLER tbl_name READ NEXT where non-gcol=expr
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| handler t1 read NEXT where d='c';
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| a	b	c	d
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| 1	-1	-1	c
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| # HANDLER tbl_name READ NEXT where gcol=expr
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| handler t1 read NEXT where b<=-4;
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| a	b	c	d
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| # HANDLER tbl_name CLOSE
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| handler t1 close;
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| drop table t1;
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| DROP VIEW  IF EXISTS v1,v2;
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| DROP TABLE IF EXISTS t1,t2,t3;
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| DROP PROCEDURE IF EXISTS p1;
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| DROP FUNCTION IF EXISTS f1;
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| DROP TRIGGER IF EXISTS trg1;
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| DROP TRIGGER IF EXISTS trg2;
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| set sql_warnings = 0;
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