Fix for bug #31438: updatexml still crashes

Problem: check missed if the second updatexml() argument is valid.

Fix: check it.
parent 0ff1b80b
......@@ -1012,3 +1012,14 @@ select ExtractValue('<a>a</a>', '/a[@x=@y0123456789_0123456789_0123456789_012345
ERROR HY000: XPATH error: comparison of two nodesets is not supported: '=@y0123456789_0123456789_0123456'
select ExtractValue('<a>a</a>', '/a[@x=$y0123456789_0123456789_0123456789_0123456789]');
ERROR HY000: Unknown XPATH variable at: '$y0123456789_0123456789_01234567'
select updatexml(NULL, 1, 1), updatexml(1, NULL, 1), updatexml(1, 1, NULL);
updatexml(NULL, 1, 1) updatexml(1, NULL, 1) updatexml(1, 1, NULL)
NULL NULL NULL
select updatexml(NULL, NULL, 1), updatexml(1, NULL, NULL),
updatexml(NULL, 1, NULL);
updatexml(NULL, NULL, 1) updatexml(1, NULL, NULL) updatexml(NULL, 1, NULL)
NULL NULL NULL
select updatexml(NULL, NULL, NULL);
updatexml(NULL, NULL, NULL)
NULL
End of 5.1 tests
......@@ -533,3 +533,14 @@ select UpdateXML('<a>a</a>',repeat('a b ',1000),'');
select ExtractValue('<a>a</a>', '/a[@x=@y0123456789_0123456789_0123456789_0123456789]');
--error 1105
select ExtractValue('<a>a</a>', '/a[@x=$y0123456789_0123456789_0123456789_0123456789]');
#
# Bug #31438: updatexml still crashes
#
select updatexml(NULL, 1, 1), updatexml(1, NULL, 1), updatexml(1, 1, NULL);
select updatexml(NULL, NULL, 1), updatexml(1, NULL, NULL),
updatexml(NULL, 1, NULL);
select updatexml(NULL, NULL, NULL);
--echo End of 5.1 tests
......@@ -2580,7 +2580,8 @@ void Item_xml_str_func::fix_length_and_dec()
return;
}
xp= args[1]->val_str(&tmp);
if (!(xp= args[1]->val_str(&tmp)))
return;
my_xpath_init(&xpath);
xpath.cs= collation.collation;
xpath.debug= 0;
......
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