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Bug #18172 XML: Extractvalue() accepts mallformed

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XPath without a XPath syntax error
item_xmlfunc.cc:
  Error message didn't happen because after
  a failing attempt to parse RelativeLocationPath,
  my_xpath_parse_AbsoluteLocationPath() returned success.
  Changeing logic a bit:
  - Try to parse EOF first, return success if true.
  - Then try to parse RelativeLocationPath(), return success if true.
  - Otherwise return failure.
xml.result:
  Adding test case.
  Also, this change made it possible to generate 
  an error message earlier in the case of another
  bad XPATH syntax.
xml.test:
  Adding test case.
This commit is contained in:
bar@mysql.com
2006-03-20 14:57:34 +04:00
parent 95242e7186
commit 2e7cf881ac
3 changed files with 16 additions and 2 deletions
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4
mysql-test/r/xml.result
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@@ -546,7 +546,7 @@ select extractvalue('<a>a<b>B</b></a>','a|/b');
extractvalue('<a>a<b>B</b></a>','a|/b')
a
select extractvalue('<a>A</a>','/<a>');
ERROR HY000: XPATH syntax error: '>'
ERROR HY000: XPATH syntax error: '<a>'
select extractvalue('<a><b>b</b><b!>b!</b!></a>','//b!');
ERROR HY000: XPATH syntax error: '!'
select extractvalue('<a>A<b>B<c>C</c></b></a>','/a/descendant::*');
@@ -613,3 +613,5 @@ select extractValue('<e>1</e>','position()');
ERROR HY000: XPATH syntax error: ''
select extractValue('<e>1</e>','last()');
ERROR HY000: XPATH syntax error: ''
select extractValue('<e><a>1</a></e>','/e/');
ERROR HY000: XPATH syntax error: ''