Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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5.5(EOL), 10.0(EOL), 10.1(EOL)
Description
This script:
SET NAMES latin1;
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (a VARCHAR(10));
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INSERT INTO t1 VALUES ('a'),('A'),('b'),('B'),('c'),('C');
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SELECT * FROM t1 WHERE a BETWEEN 'a' AND 'c' COLLATE latin1_bin;
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returns 3 rows:
+------+
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| a |
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+------+
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| a |
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| b |
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| c |
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+------+
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So far so good.
If I make the condition stricter:
SELECT * FROM t1 WHERE a BETWEEN 'a' AND 'c' COLLATE latin1_bin AND a='a';
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it returns 2 rows:
+------+
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| a |
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+------+
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| a |
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| A |
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+------+
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The above result is incorrect. It should return only one row, with 'a' (lower case).
