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Bug #12375190: UPDATEXML CRASHES ON SIMPLE INPUTS

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The XPATH implementation was not handling correctly the XPATH 
production #19 
(http://www.w3.org/TR/1999/REC-xpath-19991116/#node-sets),
namely

PathExpr ::= | FilterExpr '/' RelativeLocationPath
                    | FilterExpr '//' RelativeLocationPath

It was lacking context for the RelativeLocationPath and it was just 
ignoring the second slash instead of treating it as a different axis 
specifier.
Fixed the above two problems and added a test case.
This commit is contained in:
Georgi Kodinov
2011-05-03 10:48:24 +03:00
parent ae154449f1
commit 01b68c5105
3 changed files with 46 additions and 2 deletions
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9
mysql-test/t/xml.test
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@ -664,6 +664,15 @@ SELECT ExtractValue(CONVERT('<\"', BINARY(10)), 1);
SET NAMES latin1;
SELECT UPDATEXML(CONVERT('' USING swe7), TRUNCATE('',1), 0);
--echo #
--echo # Bug#12375190: UPDATEXML CRASHES ON SIMPLE INPUTS
--echo #
SELECT UPDATEXML('','(a)/a','');
SELECT UPDATEXML('<a><a>x</a></a>','(a)/a','<b />');
SELECT UPDATEXML('<a><c><a>x</a></c></a>','(a)/a','<b />');
SELECT UPDATEXML('<a><c><a>x</a></c></a>','(a)//a','<b />');
SELECT ExtractValue('<a><a>aa</a><b>bb</b></a>','(a)/a|(a)/b');
--echo #
--echo # End of 5.5 tests
--echo #