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			112 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
| -- source suite/versioning/common.inc
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| 
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| create table t1(
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|   id int auto_increment primary key,
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|   sys_trx_start bigint unsigned as row start invisible,
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|   sys_trx_end bigint unsigned as row end invisible,
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|   period for system_time (sys_trx_start, sys_trx_end)
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| )
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| with system versioning
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| engine innodb;
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| 
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| 
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| # TRT_TRX_ID, TRT_COMMIT_ID, TRT_TRX_SEES #
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| 
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| insert into t1 values ();
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| 
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| --real_sleep 0.01
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| set @ts0= now(6);
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| insert into t1 values ();
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| 
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| --disable_cursor_protocol
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| --enable_prepare_warnings
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| 
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| select sys_trx_start from t1 where id = last_insert_id() into @tx0;
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| --enable_cursor_protocol
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| select transaction_id = @tx0 from mysql.transaction_registry
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| order by transaction_id desc limit 1;
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| 
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| set @ts1= now(6);
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| insert into t1 values ();
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| --disable_cursor_protocol
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| select sys_trx_start from t1 where id = last_insert_id() into @tx1;
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| --enable_cursor_protocol
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| select transaction_id = @tx1 from mysql.transaction_registry
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| order by transaction_id desc limit 1;
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| 
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| set @ts2= now(6);
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| insert into t1 values ();
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| --disable_cursor_protocol
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| select sys_trx_start from t1 where id = last_insert_id() into @tx2;
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| --enable_cursor_protocol
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| select transaction_id = @tx2 from mysql.transaction_registry
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| order by transaction_id desc limit 1;
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| 
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| set @ts3= now(6);
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| 
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| select
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|   trt_trx_id(@ts0) < @tx0 as A,
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|   trt_trx_id(@ts0, true) = @tx0 as B,
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|   trt_trx_id(@ts1) = @tx0 as C,
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|   trt_trx_id(@ts1, true) = @tx1 as D,
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|   trt_trx_id(@ts2) = @tx1 as E,
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|   trt_trx_id(@ts2, true) = @tx2 as F,
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|   trt_trx_id(@ts3) = @tx2 as G,
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|   trt_trx_id(@ts3, true) is null as H;
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| 
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| select
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|   trt_commit_id(@ts0) < @tx0 as A,
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|   trt_commit_id(@ts0, true) = trt_commit_id(null, @tx0) as B,
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|   trt_commit_id(@ts1) = trt_commit_id(null, @tx0) as C,
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|   trt_commit_id(@ts1, true) = trt_commit_id(null, @tx1) as D,
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|   trt_commit_id(@ts2) = trt_commit_id(null, @tx1) as E,
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|   trt_commit_id(@ts2, true) = trt_commit_id(null, @tx2) as F,
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|   trt_commit_id(@ts3) = trt_commit_id(null, @tx2) as G,
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|   trt_commit_id(@ts3, true) is null as H;
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| 
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| select
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|   trt_trx_sees(@tx1, @tx0) as A,
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|   not trt_trx_sees(@tx0, @tx1) as B,
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|   trt_trx_sees_eq(@tx1, @tx1) as C,
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|   not trt_trx_sees(@tx1, @tx1) as D,
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|   trt_trx_sees(@tx2, 0) as E,
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|   trt_trx_sees(-1, @tx2) as F;
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| 
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| select trt_trx_sees(0, @tx2);
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| 
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| # TRT_ISO_LEVEL #
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| 
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| set transaction isolation level read uncommitted;
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| insert into t1 values ();
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| --disable_cursor_protocol
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| select sys_trx_start from t1 where id = last_insert_id() into @tx3;
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| --enable_cursor_protocol
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| select isolation_level = 'READ-UNCOMMITTED' from mysql.transaction_registry where transaction_id = @tx3;
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| 
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| set transaction isolation level read committed;
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| insert into t1 values ();
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| --disable_cursor_protocol
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| select sys_trx_start from t1 where id = last_insert_id() into @tx4;
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| --enable_cursor_protocol
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| select isolation_level = 'READ-COMMITTED' from mysql.transaction_registry where transaction_id = @tx4;
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| 
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| set transaction isolation level serializable;
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| insert into t1 values ();
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| --disable_cursor_protocol
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| select sys_trx_start from t1 where id = last_insert_id() into @tx5;
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| --enable_cursor_protocol
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| select isolation_level = 'SERIALIZABLE' from mysql.transaction_registry where transaction_id = @tx5;
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| 
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| set transaction isolation level repeatable read;
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| insert into t1 values ();
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| --disable_cursor_protocol
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| select sys_trx_start from t1 where id = last_insert_id() into @tx6;
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| --enable_cursor_protocol
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| select isolation_level = 'REPEATABLE-READ' from mysql.transaction_registry where transaction_id = @tx6;
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| 
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| --disable_prepare_warnings
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| 
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| drop table t1;
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| call verify_trt;
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| 
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| -- source suite/versioning/common_finish.inc
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