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MDEV-10864 Wrong result for WHERE .. (f2=COMPRESS('test') OR f2=COMPRESS('TEST'))

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This commit is contained in:
Alexander Barkov
2016-09-22 10:03:12 +04:00
parent 7e4eb990ad
commit 9f837c6e1a
7 changed files with 163 additions and 20 deletions
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18
mysql-test/r/func_str.result
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@ -4638,5 +4638,23 @@ Zm9v
DEALLOCATE PREPARE stmt;
# End of func_str_ascii_checksum.inc
#
# MDEV-10864 Wrong result for WHERE .. (f2=COMPRESS('test') OR f2=COMPRESS('TEST'))
#
CREATE TABLE t1 (f1 VARCHAR(4), f2 VARCHAR(128), UNIQUE KEY k1 (f1,f2));
INSERT INTO t1 VALUES ('YQ==',from_base64('YQ==')), ('Yq==', from_base64('Yq=='));
SELECT f1,HEX(f2) FROM t1 ignore index(k1) WHERE f1='YQ==' AND (f2= from_base64("YQ==") OR f2= from_base64("Yq=="));
f1 HEX(f2)
YQ== 61
Yq== 62
SELECT f1,HEX(f2) FROM t1 WHERE f1='YQ==' AND (f2= from_base64("YQ==") OR f2= from_base64("Yq=="));
f1 HEX(f2)
YQ== 61
Yq== 62
SELECT f1,HEX(f2) FROM t1 WHERE f1='YQ==' AND (f2= from_base64("Yq==") OR f2= from_base64("YQ=="));
f1 HEX(f2)
YQ== 61
Yq== 62
DROP TABLE t1;
#
# End of 10.1 tests
#