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Bug#22823 gt and lt operators appear to be reversed in ExtractValue() command

Problem: "greater than" and "less than" XPath operators appeared to have been implemented in reverse.
Fix: swap arguments to eq_func() and eq_func_reverse() to provide correct operation result.


mysql-test/r/xml.result:
  Adding test case
mysql-test/t/xml.test:
  Adding test case
sql/item_xmlfunc.cc:
  Pass argumemtns to eq_func() and eq_func_reverse() in correct order:
  nodeset argument first, then scalar argument.
  Also, fixing eq_func_reverse() to do correct conversion, e.g:
  "scalar > nodeset" into "nodeset < scalar" instead of wrong "nodeset <= scalar"
  "scalar >= nodeset" into "nodeset <= scalar" instead of wrong "nodeset < scalar".
This commit is contained in:
unknown
2006-10-23 14:17:57 +05:00
parent 81eb1ccda2
commit 7595cb06eb
3 changed files with 111 additions and 8 deletions

View File

@@ -736,3 +736,76 @@ test
select extractValue('<x.-_:>test</x.-_:>','//*');
extractValue('<x.-_:>test</x.-_:>','//*')
test
set @xml= "<entry><id>pt10</id><pt>10</pt></entry><entry><id>pt50</id><pt>50</pt></entry>";
select ExtractValue(@xml, "/entry[(pt=10)]/id");
ExtractValue(@xml, "/entry[(pt=10)]/id")
pt10
select ExtractValue(@xml, "/entry[(pt!=10)]/id");
ExtractValue(@xml, "/entry[(pt!=10)]/id")
pt50
select ExtractValue(@xml, "/entry[(pt<10)]/id");
ExtractValue(@xml, "/entry[(pt<10)]/id")
select ExtractValue(@xml, "/entry[(pt<=10)]/id");
ExtractValue(@xml, "/entry[(pt<=10)]/id")
pt10
select ExtractValue(@xml, "/entry[(pt>10)]/id");
ExtractValue(@xml, "/entry[(pt>10)]/id")
pt50
select ExtractValue(@xml, "/entry[(pt>=10)]/id");
ExtractValue(@xml, "/entry[(pt>=10)]/id")
pt10 pt50
select ExtractValue(@xml, "/entry[(pt=50)]/id");
ExtractValue(@xml, "/entry[(pt=50)]/id")
pt50
select ExtractValue(@xml, "/entry[(pt!=50)]/id");
ExtractValue(@xml, "/entry[(pt!=50)]/id")
pt10
select ExtractValue(@xml, "/entry[(pt<50)]/id");
ExtractValue(@xml, "/entry[(pt<50)]/id")
pt10
select ExtractValue(@xml, "/entry[(pt<=50)]/id");
ExtractValue(@xml, "/entry[(pt<=50)]/id")
pt10 pt50
select ExtractValue(@xml, "/entry[(pt>50)]/id");
ExtractValue(@xml, "/entry[(pt>50)]/id")
select ExtractValue(@xml, "/entry[(pt>=50)]/id");
ExtractValue(@xml, "/entry[(pt>=50)]/id")
pt50
select ExtractValue(@xml, "/entry[(10=pt)]/id");
ExtractValue(@xml, "/entry[(10=pt)]/id")
pt10
select ExtractValue(@xml, "/entry[(10!=pt)]/id");
ExtractValue(@xml, "/entry[(10!=pt)]/id")
pt50
select ExtractValue(@xml, "/entry[(10>pt)]/id");
ExtractValue(@xml, "/entry[(10>pt)]/id")
select ExtractValue(@xml, "/entry[(10>=pt)]/id");
ExtractValue(@xml, "/entry[(10>=pt)]/id")
pt10
select ExtractValue(@xml, "/entry[(10<pt)]/id");
ExtractValue(@xml, "/entry[(10<pt)]/id")
pt50
select ExtractValue(@xml, "/entry[(10<=pt)]/id");
ExtractValue(@xml, "/entry[(10<=pt)]/id")
pt10 pt50
select ExtractValue(@xml, "/entry[(50=pt)]/id");
ExtractValue(@xml, "/entry[(50=pt)]/id")
pt50
select ExtractValue(@xml, "/entry[(50!=pt)]/id");
ExtractValue(@xml, "/entry[(50!=pt)]/id")
pt10
select ExtractValue(@xml, "/entry[(50>pt)]/id");
ExtractValue(@xml, "/entry[(50>pt)]/id")
pt10
select ExtractValue(@xml, "/entry[(50>=pt)]/id");
ExtractValue(@xml, "/entry[(50>=pt)]/id")
pt10 pt50
select ExtractValue(@xml, "/entry[(50<pt)]/id");
ExtractValue(@xml, "/entry[(50<pt)]/id")
select ExtractValue(@xml, "/entry[(50<=pt)]/id");
ExtractValue(@xml, "/entry[(50<=pt)]/id")
pt50