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	FAILING ASSERTION: FLEN == LEN
Problem:
       Broken invariant triggered when building a unique index on a
binary column and the input data contains duplicate keys. This was broken
in debug builds only.
Fix:
       Fixed length of the binary datatype can be greater than length of
the shorter prefix on which index is being created.
		
	
		
			
				
	
	
		
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			12 lines
		
	
	
		
			314 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| --source include/have_innodb.inc
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| 
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| --echo #
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| --echo # Bug #18010711	UNIQUE PREFIX INDEX ON BINARY COLUMN: FAILING
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| --echo # ASSERTION: FLEN == LEN
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| --echo #
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| create table t1 (f1 binary(5)) engine=innodb;
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| insert into t1 values ('w'), ('w');
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| --error ER_DUP_ENTRY
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| create unique index index_t1 on t1(f1(4));
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| drop table t1;
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