Details
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Task
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Status: Open (View Workflow)
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Major
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Resolution: Unresolved
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None
Description
explain SELECT MAX(SUBSTRING(x0_.username FROM 11) * 1) AS sclr_0 FROM xcart_customers x0_ WHERE (x0_.username REGEXP 'tuttofare.[0-9]+') = 1;
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| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
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| 1 | SIMPLE | x0_ | index | NULL | username | 386 | NULL | 4196194 | Using where; Using index |
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explain SELECT MAX(SUBSTRING(x0_.username FROM 11) * 1) AS sclr_0 FROM xcart_customers x0_ WHERE (x0_.username REGEXP 'tuttofare.[0-9]+')=1 and x0_.username like 'tuttofare%' ;
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| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
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| 1 | SIMPLE | x0_ | range | username | username | 386 | NULL | 3359 | Using where; Using index |
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