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SET @xml='<a aa1="aa1" aa2="aa2">a1<b ba1="ba1">b1<c>c1</c>b2</b>a2</a>';
SELECT extractValue(@xml,'/a');
extractValue(@xml,'/a')
a1 a2
SELECT extractValue(@xml,'/a/b');
extractValue(@xml,'/a/b')
b1 b2
SELECT extractValue(@xml,'/a/b/c');
extractValue(@xml,'/a/b/c')
c1
SELECT extractValue(@xml,'/a/@aa1');
extractValue(@xml,'/a/@aa1')
aa1
SELECT extractValue(@xml,'/a/@aa2');
extractValue(@xml,'/a/@aa2')
aa2
SELECT extractValue(@xml,'/a/@*');
extractValue(@xml,'/a/@*')
aa1 aa2
SELECT extractValue(@xml,'//@ba1');
extractValue(@xml,'//@ba1')
ba1
SELECT extractValue(@xml,'//a');
extractValue(@xml,'//a')
a1 a2
SELECT extractValue(@xml,'//b');
extractValue(@xml,'//b')
b1 b2
SELECT extractValue(@xml,'//c');
extractValue(@xml,'//c')
c1
SELECT extractValue(@xml,'/a//b');
extractValue(@xml,'/a//b')
b1 b2
SELECT extractValue(@xml,'/a//c');
extractValue(@xml,'/a//c')
c1
SELECT extractValue(@xml,'//*');
extractValue(@xml,'//*')
a1 b1 c1 b2 a2
SELECT extractValue(@xml,'/a//*');
extractValue(@xml,'/a//*')
b1 c1 b2
SELECT extractValue(@xml,'/./a');
extractValue(@xml,'/./a')
a1 a2
SELECT extractValue(@xml,'/a/b/.');
extractValue(@xml,'/a/b/.')
b1 b2
SELECT extractValue(@xml,'/a/b/..');
extractValue(@xml,'/a/b/..')
a1 a2
SELECT extractValue(@xml,'/a/b/../@aa1');
extractValue(@xml,'/a/b/../@aa1')
aa1
SELECT extractValue(@xml,'/*');
extractValue(@xml,'/*')
a1 a2
SELECT extractValue(@xml,'/*/*');
extractValue(@xml,'/*/*')
b1 b2
SELECT extractValue(@xml,'/*/*/*');
extractValue(@xml,'/*/*/*')
c1
SELECT extractValue(@xml,'/a/child::*');
extractValue(@xml,'/a/child::*')
b1 b2
SELECT extractValue(@xml,'/a/self::*');
extractValue(@xml,'/a/self::*')
a1 a2
SELECT extractValue(@xml,'/a/descendant::*');
extractValue(@xml,'/a/descendant::*')
b1 c1 b2
SELECT extractValue(@xml,'/a/descendant-or-self::*');
extractValue(@xml,'/a/descendant-or-self::*')
a1 b1 c1 b2 a2
SELECT extractValue(@xml,'/a/attribute::*');
extractValue(@xml,'/a/attribute::*')
aa1 aa2
SELECT extractValue(@xml,'/a/b/c/parent::*');
extractValue(@xml,'/a/b/c/parent::*')
b1 b2
SELECT extractValue(@xml,'/a/b/c/ancestor::*');
extractValue(@xml,'/a/b/c/ancestor::*')
a1 b1 b2 a2
SELECT extractValue(@xml,'/a/b/c/ancestor-or-self::*');
extractValue(@xml,'/a/b/c/ancestor-or-self::*')
a1 b1 c1 b2 a2
SELECT extractValue(@xml,'/descendant-or-self::*');
extractValue(@xml,'/descendant-or-self::*')
a1 b1 c1 b2 a2
SET @xml='<a>a11<b ba="ba11" ba="ba12">b11</b><b ba="ba21" ba="ba22">b21<c>c1</c>b22</b>a12</a>';
SELECT extractValue(@xml,'/a/b/c/ancestor-or-self::*');
extractValue(@xml,'/a/b/c/ancestor-or-self::*')
a11 b21 c1 b22 a12
SELECT extractValue(@xml,'//@ba');
extractValue(@xml,'//@ba')
ba11 ba12 ba21 ba22
SET @xml='<a><b>b</b><c>c</c></a>';
SELECT extractValue(@xml,'/a/b');
extractValue(@xml,'/a/b')
b
SELECT extractValue(@xml,'/a/c');
extractValue(@xml,'/a/c')
c
SELECT extractValue(@xml,'/a/child::b');
extractValue(@xml,'/a/child::b')
b
SELECT extractValue(@xml,'/a/child::c');
extractValue(@xml,'/a/child::c')
c
SET @xml='<a><b>b1</b><c>c1</c><b>b2</b><c>c2</c></a>';
SELECT extractValue(@xml,'/a/b[1]');
extractValue(@xml,'/a/b[1]')
b1
SELECT extractValue(@xml,'/a/b[2]');
extractValue(@xml,'/a/b[2]')
b2
SELECT extractValue(@xml,'/a/c[1]');
extractValue(@xml,'/a/c[1]')
c1
SELECT extractValue(@xml,'/a/c[2]');
extractValue(@xml,'/a/c[2]')
c2
SET @xml='<a><b x="xb1" x="xb2"/><c x="xc1" x="xc2"/></a>';
SELECT extractValue(@xml,'/a//@x');
extractValue(@xml,'/a//@x')
xb1 xb2 xc1 xc2
SELECT extractValue(@xml,'/a//@x[1]');
extractValue(@xml,'/a//@x[1]')
xb1 xc1
SELECT extractValue(@xml,'/a//@x[2]');
extractValue(@xml,'/a//@x[2]')
xb2 xc2
SET @xml='<a><b>b1</b><b>b2</b><c><b>c1b1</b><b>c1b2</b></c><c><b>c2b1</c></b></a>';
SELECT extractValue(@xml,'//b[1]');
extractValue(@xml,'//b[1]')
b1 c1b1 c2b1
SELECT extractValue(@xml,'/descendant::b[1]');
extractValue(@xml,'/descendant::b[1]')
b1
SET @xml='<a><b>b1</b><b>b2</b></a>';
SELECT extractValue(@xml,'/a/b[1+0]');
extractValue(@xml,'/a/b[1+0]')
b1
SELECT extractValue(@xml,'/a/b[1*1]');
extractValue(@xml,'/a/b[1*1]')
b1
SELECT extractValue(@xml,'/a/b[--1]');
extractValue(@xml,'/a/b[--1]')
b1
SELECT extractValue(@xml,'/a/b[2*1-1]');
extractValue(@xml,'/a/b[2*1-1]')
b1
SELECT extractValue(@xml,'/a/b[1+1]');
extractValue(@xml,'/a/b[1+1]')
b2
SELECT extractValue(@xml,'/a/b[1*2]');
extractValue(@xml,'/a/b[1*2]')
b2
SELECT extractValue(@xml,'/a/b[--2]');
extractValue(@xml,'/a/b[--2]')
b2
SELECT extractValue(@xml,'/a/b[1*(3-1)]');
extractValue(@xml,'/a/b[1*(3-1)]')
b2
SELECT extractValue(@xml,'//*[1=1]');
extractValue(@xml,'//*[1=1]')
b1 b2
SELECT extractValue(@xml,'//*[1!=1]');
extractValue(@xml,'//*[1!=1]')

SELECT extractValue(@xml,'//*[1>1]');
extractValue(@xml,'//*[1>1]')

SELECT extractValue(@xml,'//*[2>1]');
extractValue(@xml,'//*[2>1]')
b1 b2
SELECT extractValue(@xml,'//*[1>2]');
extractValue(@xml,'//*[1>2]')

SELECT extractValue(@xml,'//*[1>=1]');
extractValue(@xml,'//*[1>=1]')
b1 b2
SELECT extractValue(@xml,'//*[2>=1]');
extractValue(@xml,'//*[2>=1]')
b1 b2
SELECT extractValue(@xml,'//*[1>=2]');
extractValue(@xml,'//*[1>=2]')

SELECT extractValue(@xml,'//*[1<1]');
extractValue(@xml,'//*[1<1]')

SELECT extractValue(@xml,'//*[2<1]');
extractValue(@xml,'//*[2<1]')

SELECT extractValue(@xml,'//*[1<2]');
extractValue(@xml,'//*[1<2]')
b1 b2
SELECT extractValue(@xml,'//*[1<=1]');
extractValue(@xml,'//*[1<=1]')
b1 b2
SELECT extractValue(@xml,'//*[2<=1]');
extractValue(@xml,'//*[2<=1]')

SELECT extractValue(@xml,'//*[1<=2]');
extractValue(@xml,'//*[1<=2]')
b1 b2
SET @xml='<a><b>b11<c>c11</c></b><b>b21<c>c21</c></b></a>';
SELECT extractValue(@xml,'/a/b[c="c11"]');
extractValue(@xml,'/a/b[c="c11"]')
b11
SELECT extractValue(@xml,'/a/b[c="c21"]');
extractValue(@xml,'/a/b[c="c21"]')
b21
SET @xml='<a><b c="c11">b11</b><b c="c21">b21</b></a>';
SELECT extractValue(@xml,'/a/b[@c="c11"]');
extractValue(@xml,'/a/b[@c="c11"]')
b11
SELECT extractValue(@xml,'/a/b[@c="c21"]');
extractValue(@xml,'/a/b[@c="c21"]')
b21
SET @xml='<a>a1<b c="c11">b11<d>d11</d></b><b c="c21">b21<d>d21</d></b></a>';
SELECT extractValue(@xml, '/a/b[@c="c11"]/d');
extractValue(@xml, '/a/b[@c="c11"]/d')
d11
SELECT extractValue(@xml, '/a/b[@c="c21"]/d');
extractValue(@xml, '/a/b[@c="c21"]/d')
d21
SELECT extractValue(@xml, '/a/b[d="d11"]/@c');
extractValue(@xml, '/a/b[d="d11"]/@c')
c11
SELECT extractValue(@xml, '/a/b[d="d21"]/@c');
extractValue(@xml, '/a/b[d="d21"]/@c')
c21
SELECT extractValue(@xml, '/a[b="b11"]');
extractValue(@xml, '/a[b="b11"]')
a1
SELECT extractValue(@xml, '/a[b/@c="c11"]');
extractValue(@xml, '/a[b/@c="c11"]')
a1
SELECT extractValue(@xml, '/a[b/d="d11"]');
extractValue(@xml, '/a[b/d="d11"]')
a1
SELECT extractValue(@xml, '/a[/a/b="b11"]');
extractValue(@xml, '/a[/a/b="b11"]')
a1
SELECT extractValue(@xml, '/a[/a/b/@c="c11"]');
extractValue(@xml, '/a[/a/b/@c="c11"]')
a1
SELECT extractValue(@xml, '/a[/a/b/d="d11"]');
extractValue(@xml, '/a[/a/b/d="d11"]')
a1
SELECT extractValue('<a>a</a>', '/a[false()]');
extractValue('<a>a</a>', '/a[false()]')

SELECT extractValue('<a>a</a>', '/a[true()]');
extractValue('<a>a</a>', '/a[true()]')
a
SELECT extractValue('<a>a</a>', '/a[not(false())]');
extractValue('<a>a</a>', '/a[not(false())]')
a
SELECT extractValue('<a>a</a>', '/a[not(true())]');
extractValue('<a>a</a>', '/a[not(true())]')

SELECT extractValue('<a>a</a>', '/a[true() and true()]');
extractValue('<a>a</a>', '/a[true() and true()]')
a
SELECT extractValue('<a>a</a>', '/a[true() and false()]');
extractValue('<a>a</a>', '/a[true() and false()]')

SELECT extractValue('<a>a</a>', '/a[false()and false()]');
extractValue('<a>a</a>', '/a[false()and false()]')

SELECT extractValue('<a>a</a>', '/a[false()and true()]');
extractValue('<a>a</a>', '/a[false()and true()]')

SELECT extractValue('<a>a</a>', '/a[true() or true()]');
extractValue('<a>a</a>', '/a[true() or true()]')
a
SELECT extractValue('<a>a</a>', '/a[true() or false()]');
extractValue('<a>a</a>', '/a[true() or false()]')
a
SELECT extractValue('<a>a</a>', '/a[false()or false()]');
extractValue('<a>a</a>', '/a[false()or false()]')

SELECT extractValue('<a>a</a>', '/a[false()or true()]');
extractValue('<a>a</a>', '/a[false()or true()]')
a
SET @xml='<a>ab<b c="c" c="e">b1</b><b c="d">b2</b><b c="f" c="e">b3</b></a>';
select extractValue(@xml,'/a/b[@c="c"]');
extractValue(@xml,'/a/b[@c="c"]')
b1
select extractValue(@xml,'/a/b[@c="d"]');
extractValue(@xml,'/a/b[@c="d"]')
b2
select extractValue(@xml,'/a/b[@c="e"]');
extractValue(@xml,'/a/b[@c="e"]')
b1 b3
select extractValue(@xml,'/a/b[not(@c="e")]');
extractValue(@xml,'/a/b[not(@c="e")]')
b2
select extractValue(@xml,'/a/b[@c!="e"]');
extractValue(@xml,'/a/b[@c!="e"]')
b1 b2 b3
select extractValue(@xml,'/a/b[@c="c" or @c="d"]');
extractValue(@xml,'/a/b[@c="c" or @c="d"]')
b1 b2
select extractValue(@xml,'/a/b[@c="c" and @c="e"]');
extractValue(@xml,'/a/b[@c="c" and @c="e"]')
b1
SET @xml='<a><b c="c" d="d">b1</b><b d="d" e="e">b2</b></a>';
select extractValue(@xml,'/a/b[@c]');
extractValue(@xml,'/a/b[@c]')
b1
select extractValue(@xml,'/a/b[@d]');
extractValue(@xml,'/a/b[@d]')
b1 b2
select extractValue(@xml,'/a/b[@e]');
extractValue(@xml,'/a/b[@e]')
b2
select extractValue(@xml,'/a/b[not(@c)]');
extractValue(@xml,'/a/b[not(@c)]')
b2
select extractValue(@xml,'/a/b[not(@d)]');
extractValue(@xml,'/a/b[not(@d)]')

select extractValue(@xml,'/a/b[not(@e)]');
extractValue(@xml,'/a/b[not(@e)]')
b1
select extractValue(@xml, '/a/b[boolean(@c) or boolean(@d)]');
extractValue(@xml, '/a/b[boolean(@c) or boolean(@d)]')
b1 b2
select extractValue(@xml, '/a/b[boolean(@c) or boolean(@e)]');
extractValue(@xml, '/a/b[boolean(@c) or boolean(@e)]')
b1 b2
select extractValue(@xml, '/a/b[boolean(@d) or boolean(@e)]');
extractValue(@xml, '/a/b[boolean(@d) or boolean(@e)]')
b1 b2
select extractValue(@xml, '/a/b[boolean(@c) and boolean(@d)]');
extractValue(@xml, '/a/b[boolean(@c) and boolean(@d)]')
b1
select extractValue(@xml, '/a/b[boolean(@c) and boolean(@e)]');
extractValue(@xml, '/a/b[boolean(@c) and boolean(@e)]')

select extractValue(@xml, '/a/b[boolean(@d) and boolean(@e)]');
extractValue(@xml, '/a/b[boolean(@d) and boolean(@e)]')
b2
select extractValue(@xml, '/a/b[@c or @d]');
extractValue(@xml, '/a/b[@c or @d]')
b1 b2
select extractValue(@xml, '/a/b[@c or @e]');
extractValue(@xml, '/a/b[@c or @e]')
b1 b2
select extractValue(@xml, '/a/b[@d or @e]');
extractValue(@xml, '/a/b[@d or @e]')
b1 b2
select extractValue(@xml, '/a/b[@c and @d]');
extractValue(@xml, '/a/b[@c and @d]')
b1
select extractValue(@xml, '/a/b[@c and @e]');
extractValue(@xml, '/a/b[@c and @e]')

select extractValue(@xml, '/a/b[@d and @e]');
extractValue(@xml, '/a/b[@d and @e]')
b2
SET @xml='<a><b c="c">b1</b><b>b2</b></a>';
SELECT extractValue(@xml,'/a/b[@*]');
extractValue(@xml,'/a/b[@*]')
b1
SELECT extractValue(@xml,'/a/b[not(@*)]');
extractValue(@xml,'/a/b[not(@*)]')
b2
SELECT extractValue('<a>a</a>', '/a[ceiling(3.1)=4]');
extractValue('<a>a</a>', '/a[ceiling(3.1)=4]')
a
SELECT extractValue('<a>a</a>', '/a[floor(3.1)=3]');
extractValue('<a>a</a>', '/a[floor(3.1)=3]')
a
SELECT extractValue('<a>a</a>', '/a[round(3.1)=3]');
extractValue('<a>a</a>', '/a[round(3.1)=3]')
a
SELECT extractValue('<a>a</a>', '/a[round(3.8)=4]');
extractValue('<a>a</a>', '/a[round(3.8)=4]')
a
SELECT extractValue('<a><b>b</b><c>c</c></a>', '/a/b | /a/c');
extractValue('<a><b>b</b><c>c</c></a>', '/a/b | /a/c')
b c
select extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[position()=1]');
extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[position()=1]')
b1
select extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[position()=2]');
extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[position()=2]')
b2
select extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[position()=3]');
extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[position()=3]')
b3
select extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[1=position()]');
extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[1=position()]')
b1
select extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[2=position()]');
extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[2=position()]')
b2
select extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[3=position()]');
extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[3=position()]')
b3
select extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[2>=position()]');
extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[2>=position()]')
b1 b2
select extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[2<=position()]');
extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[2<=position()]')
b2 b3
select extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[position()=3 or position()=2]');
extractValue('<a b="b1" b="b2" b="b3"/>','/a/@b[position()=3 or position()=2]')
b2 b3
SELECT extractValue('<a>a<b>a1<c>c1</c></b><b>a2</b></a>','/a/b[count(c)=0]');
extractValue('<a>a<b>a1<c>c1</c></b><b>a2</b></a>','/a/b[count(c)=0]')
a2
SELECT extractValue('<a>a<b>a1<c>c1</c></b><b>a2</b></a>','/a/b[count(c)=1]');
extractValue('<a>a<b>a1<c>c1</c></b><b>a2</b></a>','/a/b[count(c)=1]')
a1
select extractValue('<a>a1<b ba="1" ba="2">b1</b><b>b2</b>4</a>','/a/b[sum(@ba)=3]');
extractValue('<a>a1<b ba="1" ba="2">b1</b><b>b2</b>4</a>','/a/b[sum(@ba)=3]')
b1
select extractValue('<a><b>b1</b><b>b2</b></a>','/a/b[1]');
extractValue('<a><b>b1</b><b>b2</b></a>','/a/b[1]')
b1
select extractValue('<a><b>b1</b><b>b2</b></a>','/a/b[boolean(1)]');
extractValue('<a><b>b1</b><b>b2</b></a>','/a/b[boolean(1)]')
b1 b2
select extractValue('<a><b>b1</b><b>b2</b></a>','/a/b[true()]');
extractValue('<a><b>b1</b><b>b2</b></a>','/a/b[true()]')
b1 b2
select extractValue('<a><b>b1</b><b>b2</b></a>','/a/b[number(true())]');
extractValue('<a><b>b1</b><b>b2</b></a>','/a/b[number(true())]')
b1
select extractValue('<a>ab</a>','/a[contains("abc","b")]');
extractValue('<a>ab</a>','/a[contains("abc","b")]')
ab
select extractValue('<a>ab</a>','/a[contains(.,"a")]');
extractValue('<a>ab</a>','/a[contains(.,"a")]')
ab
select extractValue('<a>ab</a>','/a[contains(.,"b")]');
extractValue('<a>ab</a>','/a[contains(.,"b")]')
ab
select extractValue('<a>ab</a>','/a[contains(.,"c")]');
extractValue('<a>ab</a>','/a[contains(.,"c")]')

select extractValue('<a b="1">ab</a>','/a[concat(@b,"2")="12"]');
extractValue('<a b="1">ab</a>','/a[concat(@b,"2")="12"]')
ab
SET @xml='<a b="11" b="12" b="21" b="22">ab</a>';
select extractValue(@xml, '/a/@b[substring(.,2)="1"]');
extractValue(@xml, '/a/@b[substring(.,2)="1"]')
11 21
select extractValue(@xml, '/a/@b[substring(.,2)="2"]');
extractValue(@xml, '/a/@b[substring(.,2)="2"]')
12 22
select extractValue(@xml, '/a/@b[substring(.,1,1)="1"]');
extractValue(@xml, '/a/@b[substring(.,1,1)="1"]')
11 12
select extractValue(@xml, '/a/@b[substring(.,1,1)="2"]');
extractValue(@xml, '/a/@b[substring(.,1,1)="2"]')
21 22
select extractValue(@xml, '/a/@b[substring(.,2,1)="1"]');
extractValue(@xml, '/a/@b[substring(.,2,1)="1"]')
11 21
select extractValue(@xml, '/a/@b[substring(.,2,1)="2"]');
extractValue(@xml, '/a/@b[substring(.,2,1)="2"]')
12 22
SET @xml='<a><b>b1</b><b>b2</b></a>';
SELECT extractValue(@xml, '/a/b[string-length("x")=1]');
extractValue(@xml, '/a/b[string-length("x")=1]')
b1 b2
SELECT extractValue(@xml, '/a/b[string-length("xx")=2]');
extractValue(@xml, '/a/b[string-length("xx")=2]')
b1 b2
SELECT extractValue(@xml, '/a/b[string-length("xxx")=2]');
extractValue(@xml, '/a/b[string-length("xxx")=2]')

SELECT extractValue(@xml, '/a/b[string-length("x")]');
extractValue(@xml, '/a/b[string-length("x")]')
b1
SELECT extractValue(@xml, '/a/b[string-length("xx")]');
extractValue(@xml, '/a/b[string-length("xx")]')
b2
SELECT extractValue(@xml, '/a/b[string-length()]');
extractValue(@xml, '/a/b[string-length()]')
b2
SELECT extractValue(@xml, 'string-length()');
ERROR HY000: XPATH syntax error: ''
SELECT extractValue(@xml, 'string-length("x")');
extractValue(@xml, 'string-length("x")')
1
SET @xml='<a b="b11" b="b12" b="b21" b="22"/>';
select extractValue(@xml,'/a/@b');
extractValue(@xml,'/a/@b')
b11 b12 b21 22
select extractValue(@xml,'/a/@b[contains(.,"1")]');
extractValue(@xml,'/a/@b[contains(.,"1")]')
b11 b12 b21
select extractValue(@xml,'/a/@b[contains(.,"1")][contains(.,"2")]');
extractValue(@xml,'/a/@b[contains(.,"1")][contains(.,"2")]')
b12 b21
select extractValue(@xml,'/a/@b[contains(.,"1")][contains(.,"2")][2]');
extractValue(@xml,'/a/@b[contains(.,"1")][contains(.,"2")][2]')
b21
SET @xml='<a>a1<b>b1<c>c1</c>b2</b>a2</a>';
select UpdateXML('<a>a1<b>b1<c>c1</c>b2</b>a2</a>','/a/b/c','+++++++++');
UpdateXML('<a>a1<b>b1<c>c1</c>b2</b>a2</a>','/a/b/c','+++++++++')
<a>a1<b>b1+++++++++b2</b>a2</a>
select UpdateXML('<a>a1<b>b1<c>c1</c>b2</b>a2</a>','/a/b/c','<c1>+++++++++</c1>');
UpdateXML('<a>a1<b>b1<c>c1</c>b2</b>a2</a>','/a/b/c','<c1>+++++++++</c1>')
<a>a1<b>b1<c1>+++++++++</c1>b2</b>a2</a>
select UpdateXML('<a>a1<b>b1<c>c1</c>b2</b>a2</a>','/a/b/c','<c1/>');
UpdateXML('<a>a1<b>b1<c>c1</c>b2</b>a2</a>','/a/b/c','<c1/>')
<a>a1<b>b1<c1/>b2</b>a2</a>
SET @xml='<a><b>bb</b></a>';
select UpdateXML(@xml, '/a/b', '<b>ccc</b>');
UpdateXML(@xml, '/a/b', '<b>ccc</b>')
<a><b>ccc</b></a>
SET @xml='<a aa1="aa1" aa2="aa2"><b bb1="bb1" bb2="bb2">bb</b></a>';
select UpdateXML(@xml, '/a/b', '<b>ccc</b>');
UpdateXML(@xml, '/a/b', '<b>ccc</b>')
<a aa1="aa1" aa2="aa2"><b>ccc</b></a>
select UpdateXML(@xml, '/a/@aa1', '');
UpdateXML(@xml, '/a/@aa1', '')
<a  aa2="aa2"><b bb1="bb1" bb2="bb2">bb</b></a>
select UpdateXML(@xml, '/a/@aa1', 'aa3="aa3"');
UpdateXML(@xml, '/a/@aa1', 'aa3="aa3"')
<a aa3="aa3" aa2="aa2"><b bb1="bb1" bb2="bb2">bb</b></a>
select UpdateXML(@xml, '/a/@aa2', '');
UpdateXML(@xml, '/a/@aa2', '')
<a aa1="aa1" ><b bb1="bb1" bb2="bb2">bb</b></a>
select UpdateXML(@xml, '/a/@aa2', 'aa3="aa3"');
UpdateXML(@xml, '/a/@aa2', 'aa3="aa3"')
<a aa1="aa1" aa3="aa3"><b bb1="bb1" bb2="bb2">bb</b></a>
select UpdateXML(@xml, '/a/b/@bb1', '');
UpdateXML(@xml, '/a/b/@bb1', '')
<a aa1="aa1" aa2="aa2"><b  bb2="bb2">bb</b></a>
select UpdateXML(@xml, '/a/b/@bb1', 'bb3="bb3"');
UpdateXML(@xml, '/a/b/@bb1', 'bb3="bb3"')
<a aa1="aa1" aa2="aa2"><b bb3="bb3" bb2="bb2">bb</b></a>
select UpdateXML(@xml, '/a/b/@bb2', '');
UpdateXML(@xml, '/a/b/@bb2', '')
<a aa1="aa1" aa2="aa2"><b bb1="bb1" >bb</b></a>
select UpdateXML(@xml, '/a/b/@bb2', 'bb3="bb3"');
UpdateXML(@xml, '/a/b/@bb2', 'bb3="bb3"')
<a aa1="aa1" aa2="aa2"><b bb1="bb1" bb3="bb3">bb</b></a>
select updatexml('<div><div><span>1</span><span>2</span></div></div>',
'/','<tr><td>1</td><td>2</td></tr>') as upd1;
upd1
<tr><td>1</td><td>2</td></tr>
select updatexml('', '/', '') as upd2;
upd2

SET @xml= '<order><clerk>lesser wombat</clerk></order>';
select extractvalue(@xml,'order/clerk');
extractvalue(@xml,'order/clerk')
lesser wombat
select extractvalue(@xml,'/order/clerk');
extractvalue(@xml,'/order/clerk')
lesser wombat
select extractvalue('<a><b>B</b></a>','/a|/b');
extractvalue('<a><b>B</b></a>','/a|/b')

select extractvalue('<a><b>B</b></a>','/a|b');
extractvalue('<a><b>B</b></a>','/a|b')

select extractvalue('<a>a<b>B</b></a>','/a|/b');
extractvalue('<a>a<b>B</b></a>','/a|/b')
a
select extractvalue('<a>a<b>B</b></a>','/a|b');
extractvalue('<a>a<b>B</b></a>','/a|b')
a
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 error: comparison of two nodesets is not supported: '<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::*');
extractvalue('<a>A<b>B<c>C</c></b></a>','/a/descendant::*')
B C
select extractvalue('<a>A<b>B<c>C</c></b></a>','/a/self::*');
extractvalue('<a>A<b>B<c>C</c></b></a>','/a/self::*')
A
select extractvalue('<a>A<b>B<c>C</c></b></a>','/a/descendant-or-self::*');
extractvalue('<a>A<b>B<c>C</c></b></a>','/a/descendant-or-self::*')
A B C
select extractvalue('<A_B>A</A_B>','/A_B');
extractvalue('<A_B>A</A_B>','/A_B')
A
select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[position()]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[position()]')
B1 B2
select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)=last()]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)=last()]')
B1 B2
select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[last()]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[last()]')
B2
select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[last()-1]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[last()-1]')
B1
select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[last()=1]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[last()=1]')

select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[last()=2]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[last()=2]')
B1 B2
select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[last()=position()]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[last()=position()]')
B2
select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)]')
B2
select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)-1]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)-1]')
B1
select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)=1]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)=1]')

select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)=2]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)=2]')
B1 B2
select extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)=position()]');
extractvalue('<a>A<b>B1</b><b>B2</b></a>','/a/b[count(.)=position()]')
B2
select extractvalue('<a>Jack</a>','/a[contains(../a,"J")]');
extractvalue('<a>Jack</a>','/a[contains(../a,"J")]')
Jack
select extractvalue('<a>Jack</a>','/a[contains(../a,"j")]');
extractvalue('<a>Jack</a>','/a[contains(../a,"j")]')
Jack
select extractvalue('<a>Jack</a>','/a[contains(../a,"j")]' collate latin1_bin);
extractvalue('<a>Jack</a>','/a[contains(../a,"j")]' collate latin1_bin)

select extractvalue('<a>Jack</a>' collate latin1_bin,'/a[contains(../a,"j")]');
extractvalue('<a>Jack</a>' collate latin1_bin,'/a[contains(../a,"j")]')

select ExtractValue('<tag1><![CDATA[test]]></tag1>','/tag1');
ExtractValue('<tag1><![CDATA[test]]></tag1>','/tag1')
test
select extractValue('<a>a','/a');
extractValue('<a>a','/a')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 5: unexpected END-OF-INPUT'
select extractValue('<a>a<','/a');
extractValue('<a>a<','/a')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 6: END-OF-INPUT unexpected (ident or '/' wanted)'
select extractValue('<a>a</','/a');
extractValue('<a>a</','/a')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 7: END-OF-INPUT unexpected (ident wanted)'
select extractValue('<a>a</a','/a');
extractValue('<a>a</a','/a')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 8: END-OF-INPUT unexpected ('>' wanted)'
select extractValue('<a>a</a></b>','/a');
extractValue('<a>a</a></b>','/a')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 12: '</b>' unexpected (END-OF-INPUT wanted)'
select extractValue('<a b=>a</a>','/a');
extractValue('<a b=>a</a>','/a')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 7: '>' unexpected (ident or string wanted)'
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: ''
set names utf8;
select extractValue('<Ñ><r>r</r></Ñ>','/Ñ/r');
extractValue('<Ñ><r>r</r></Ñ>','/Ñ/r')
r
select extractValue('<r><Ñ>Ñ</Ñ></r>','/r/Ñ');
extractValue('<r><Ñ>Ñ</Ñ></r>','/r/Ñ')
Ñ
select extractValue('<Ñ r="r"/>','/Ñ/@r');
extractValue('<Ñ r="r"/>','/Ñ/@r')
r
select extractValue('<r Ñ="Ñ"/>','/r/@Ñ');
extractValue('<r Ñ="Ñ"/>','/r/@Ñ')
Ñ
DROP PROCEDURE IF EXISTS p2;
CREATE PROCEDURE p2 ()
BEGIN
DECLARE p LONGTEXT CHARACTER SET UTF8 DEFAULT '<Ñ><r>A</r></Ñ>';
SELECT EXTRACTVALUE(p,'/Ñ/r');
END//
CALL p2();
EXTRACTVALUE(p,'/Ñ/r')
A
DROP PROCEDURE p2;
select extractValue('<ns:element xmlns:ns="myns"/>','count(ns:element)');
extractValue('<ns:element xmlns:ns="myns"/>','count(ns:element)')
1
select extractValue('<ns:element xmlns:ns="myns">a</ns:element>','/ns:element');
extractValue('<ns:element xmlns:ns="myns">a</ns:element>','/ns:element')
a
select extractValue('<ns:element xmlns:ns="myns">a</ns:element>','/ns:element/@xmlns:ns');
extractValue('<ns:element xmlns:ns="myns">a</ns:element>','/ns:element/@xmlns:ns')
myns
select extractValue('<foo><foo.bar>Data</foo.bar><something>Otherdata</something></foo>','/foo/foo.bar');
extractValue('<foo><foo.bar>Data</foo.bar><something>Otherdata</something></foo>','/foo/foo.bar')
Data
select extractValue('<foo><foo.bar>Data</foo.bar><something>Otherdata</something></foo>','/foo/something');
extractValue('<foo><foo.bar>Data</foo.bar><something>Otherdata</something></foo>','/foo/something')
Otherdata
select extractValue('<zot><tim0><01>10:39:15</01><02>140</02></tim0></zot>','/zot/tim0/02');
ERROR HY000: XPATH syntax error: '02'
select extractValue('<zot><tim0><01>10:39:15</01><02>140</02></tim0></zot>','//*');
extractValue('<zot><tim0><01>10:39:15</01><02>140</02></tim0></zot>','//*')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 13: unknown token unexpected (ident or '/' wanted)'
select extractValue('<.>test</.>','//*');
extractValue('<.>test</.>','//*')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 2: unknown token unexpected (ident or '/' wanted)'
select extractValue('<->test</->','//*');
extractValue('<->test</->','//*')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 2: unknown token unexpected (ident or '/' wanted)'
select extractValue('<:>test</:>','//*');
extractValue('<:>test</:>','//*')
test
select extractValue('<_>test</_>','//*');
extractValue('<_>test</_>','//*')
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
select ExtractValue('<a><b><Text>test</Text></b></a>','/a/b/Text');
ExtractValue('<a><b><Text>test</Text></b></a>','/a/b/Text')
test
select ExtractValue('<a><b><comment>test</comment></b></a>','/a/b/comment');
ExtractValue('<a><b><comment>test</comment></b></a>','/a/b/comment')
test
select ExtractValue('<a><b><node>test</node></b></a>','/a/b/node');
ExtractValue('<a><b><node>test</node></b></a>','/a/b/node')
test
select ExtractValue('<a><b><processing-instruction>test</processing-instruction></b></a>','/a/b/processing-instruction');
ExtractValue('<a><b><processing-instruction>test</processing-instruction></b></a>','/a/b/processing-instruction')
test
select ExtractValue('<a><and>test</and></a>', '/a/and');
ExtractValue('<a><and>test</and></a>', '/a/and')
test
select ExtractValue('<a><or>test</or></a>', '/a/or');
ExtractValue('<a><or>test</or></a>', '/a/or')
test
select ExtractValue('<a><mod>test</mod></a>', '/a/mod');
ExtractValue('<a><mod>test</mod></a>', '/a/mod')
test
select ExtractValue('<a><div>test</div></a>', '/a/div');
ExtractValue('<a><div>test</div></a>', '/a/div')
test
select ExtractValue('<a><and:and>test</and:and></a>', '/a/and:and');
ExtractValue('<a><and:and>test</and:and></a>', '/a/and:and')
test
select ExtractValue('<a><or:or>test</or:or></a>', '/a/or:or');
ExtractValue('<a><or:or>test</or:or></a>', '/a/or:or')
test
select ExtractValue('<a><mod:mod>test</mod:mod></a>', '/a/mod:mod');
ExtractValue('<a><mod:mod>test</mod:mod></a>', '/a/mod:mod')
test
select ExtractValue('<a><div:div>test</div:div></a>', '/a/div:div');
ExtractValue('<a><div:div>test</div:div></a>', '/a/div:div')
test
select ExtractValue('<a><ancestor>test</ancestor></a>', '/a/ancestor');
ExtractValue('<a><ancestor>test</ancestor></a>', '/a/ancestor')
test
select ExtractValue('<a><ancestor-or-self>test</ancestor-or-self></a>', '/a/ancestor-or-self');
ExtractValue('<a><ancestor-or-self>test</ancestor-or-self></a>', '/a/ancestor-or-self')
test
select ExtractValue('<a><attribute>test</attribute></a>', '/a/attribute');
ExtractValue('<a><attribute>test</attribute></a>', '/a/attribute')
test
select ExtractValue('<a><child>test</child></a>', '/a/child');
ExtractValue('<a><child>test</child></a>', '/a/child')
test
select ExtractValue('<a><descendant>test</descendant></a>', '/a/descendant');
ExtractValue('<a><descendant>test</descendant></a>', '/a/descendant')
test
select ExtractValue('<a><descendant-or-self>test</descendant-or-self></a>', '/a/descendant-or-self');
ExtractValue('<a><descendant-or-self>test</descendant-or-self></a>', '/a/descendant-or-self')
test
select ExtractValue('<a><following>test</following></a>', '/a/following');
ExtractValue('<a><following>test</following></a>', '/a/following')
test
select ExtractValue('<a><following-sibling>test</following-sibling></a>', '/a/following-sibling');
ExtractValue('<a><following-sibling>test</following-sibling></a>', '/a/following-sibling')
test
select ExtractValue('<a><namespace>test</namespace></a>', '/a/namespace');
ExtractValue('<a><namespace>test</namespace></a>', '/a/namespace')
test
select ExtractValue('<a><parent>test</parent></a>', '/a/parent');
ExtractValue('<a><parent>test</parent></a>', '/a/parent')
test
select ExtractValue('<a><preceding>test</preceding></a>', '/a/preceding');
ExtractValue('<a><preceding>test</preceding></a>', '/a/preceding')
test
select ExtractValue('<a><preceding-sibling>test</preceding-sibling></a>', '/a/preceding-sibling');
ExtractValue('<a><preceding-sibling>test</preceding-sibling></a>', '/a/preceding-sibling')
test
select ExtractValue('<a><self>test</self></a>', '/a/self');
ExtractValue('<a><self>test</self></a>', '/a/self')
test
SET sql_mode = 'NO_ENGINE_SUBSTITUTION';
Warnings:
Warning	3090	Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
set @i=1;
select ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')
b1
set @i=2;
select ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')
b2
set @i=NULL;
select ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')

CREATE PROCEDURE spxml(xml VARCHAR(128))
BEGIN
DECLARE c INT;
DECLARE i INT DEFAULT 1;
SET c= ExtractValue(xml,'count(/a/b)');
SET @i= c;
WHILE i <= c DO
BEGIN
SELECT i, @i, ExtractValue(xml,'/a/b[$i]'), ExtractValue(xml,'/a/b[$@i]');
SET i= i + 1;
SET @i= @i - 1;
END;
END WHILE;
END|
call spxml('<a><b>b1</b><b>b2</b><b>b3</b></a>');
i	@i	ExtractValue(xml,'/a/b[$i]')	ExtractValue(xml,'/a/b[$@i]')
1	3	b1	b3
i	@i	ExtractValue(xml,'/a/b[$i]')	ExtractValue(xml,'/a/b[$@i]')
2	2	b2	b2
i	@i	ExtractValue(xml,'/a/b[$i]')	ExtractValue(xml,'/a/b[$@i]')
3	1	b3	b1
drop procedure spxml;
Multiple matches, but no index specification
SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b')
b1 b2
No matches
SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/c');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/c')

Index out of range
SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[-1]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[-1]')

SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[10]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[10]')

With string-to-number conversion
SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["1"]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["1"]')
b1
SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["1 and string"]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["1 and string"]')
b1
Warnings:
Warning	1292	Truncated incorrect INTEGER value: '1 and string"]'
Warning	1292	Truncated incorrect INTEGER value: '1 and string"]'
SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["string and 1"]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["string and 1"]')

Warnings:
Warning	1292	Truncated incorrect INTEGER value: 'string and 1"]'
Warning	1292	Truncated incorrect INTEGER value: 'string and 1"]'
SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["string"]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["string"]')

Warnings:
Warning	1292	Truncated incorrect INTEGER value: 'string"]'
Warning	1292	Truncated incorrect INTEGER value: 'string"]'
String-to-number conversion from a user variable
SET @i='1';
SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')
b1
SET @i='1 and string';
SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')
b1
SET @i='string and 1';
SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')

SET @i='string';
SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')

String-to-number conversion with a CHAR SP variable
CREATE PROCEDURE spxml(xml VARCHAR(128), i CHAR(16))
BEGIN
SELECT ExtractValue(xml,'/a/b[$i]');
END|
CALL spxml('<a><b>b1</b><b>b2</b></a>', '1');
ExtractValue(xml,'/a/b[$i]')
b1
CALL spxml('<a><b>b1</b><b>b2</b></a>', '1 and string');
ExtractValue(xml,'/a/b[$i]')
b1
Warnings:
Warning	1292	Truncated incorrect INTEGER value: '1 and string    '
Warning	1292	Truncated incorrect INTEGER value: '1 and string    '
CALL spxml('<a><b>b1</b><b>b2</b></a>', 'string and 1');
ExtractValue(xml,'/a/b[$i]')

Warnings:
Warning	1292	Truncated incorrect INTEGER value: 'string and 1    '
Warning	1292	Truncated incorrect INTEGER value: 'string and 1    '
CALL spxml('<a><b>b1</b><b>b2</b></a>', 'string');
ExtractValue(xml,'/a/b[$i]')

Warnings:
Warning	1292	Truncated incorrect INTEGER value: 'string          '
Warning	1292	Truncated incorrect INTEGER value: 'string          '
DROP PROCEDURE spxml;
SET sql_mode = default;
select UpdateXML('<a>a</a>',repeat('a b ',1000),'');
ERROR HY000: XPATH syntax error: 'b a b a b a b a b a b a b a b a '
select ExtractValue('<a>a</a>', '/a[@x=@y0123456789_0123456789_0123456789_0123456789]');
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
CREATE TABLE t1(a INT NOT NULL);
INSERT INTO t1 VALUES (0), (0);
SELECT 1 FROM t1 ORDER BY(UPDATEXML(a, '1', '1'));
1
1
1
DROP TABLE t1;
SET @xml=
'<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html> 
 <head>
  <title> Title - document with document declaration</title>
 </head> 
  <body> Hi, Im a webpage with document a declaration </body> 
</html>';
SELECT ExtractValue(@xml, 'html/head/title');
ExtractValue(@xml, 'html/head/title')
 Title - document with document declaration
SELECT ExtractValue(@xml, 'html/body');
ExtractValue(@xml, 'html/body')
 Hi, Im a webpage with document a declaration 
SELECT ExtractValue('<xml "xxx" "yyy">CharData</xml>', '/xml');
ExtractValue('<xml "xxx" "yyy">CharData</xml>', '/xml')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 11: STRING unexpected ('>' wanted)'
SELECT ExtractValue('<xml  xxx  "yyy">CharData</xml>', '/xml');
ExtractValue('<xml  xxx  "yyy">CharData</xml>', '/xml')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 17: STRING unexpected ('>' wanted)'
set @x=10;
select extractvalue('<a></a>','$@x/a');
ERROR HY000: XPATH syntax error: '/a'
select extractvalue('<a></a>','round(123.4)/a');
ERROR HY000: XPATH syntax error: '/a'
select extractvalue('<a></a>','1/a');
ERROR HY000: XPATH syntax error: '/a'
select extractvalue('<a></a>','"b"/a');
ERROR HY000: XPATH syntax error: '/a'
select extractvalue('<a></a>','(1)/a');
ERROR HY000: XPATH syntax error: '/a'
CREATE TABLE IF NOT EXISTS t1 (
id int(10) unsigned NOT NULL AUTO_INCREMENT,
xml text,
PRIMARY KEY (id)
);
INSERT INTO t1 (id, xml) VALUES
(15, '<?xml version="1.0"?><bla name="blubb"></bla>'),
(14, '<xml version="kaputt">');
SELECT
extractvalue( xml, '/bla/@name' ),
extractvalue( xml, '/bla/@name' )
FROM t1 ORDER BY t1.id;
extractvalue( xml, '/bla/@name' )	extractvalue( xml, '/bla/@name' )
NULL	NULL
blubb	blubb
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 23: unexpected END-OF-INPUT'
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 23: unexpected END-OF-INPUT'
SELECT
UpdateXML(xml, '/bla/@name', 'test'),
UpdateXML(xml, '/bla/@name', 'test')
FROM t1 ORDER BY t1.id;
UpdateXML(xml, '/bla/@name', 'test')	UpdateXML(xml, '/bla/@name', 'test')
NULL	NULL
<?xml version="1.0"?><bla test></bla>	<?xml version="1.0"?><bla test></bla>
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 23: unexpected END-OF-INPUT'
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 23: unexpected END-OF-INPUT'
DROP TABLE t1;
#
# Bug#57257 Replace(ExtractValue(...)) causes MySQL crash
#
SET NAMES utf8;
SELECT REPLACE(EXTRACTVALUE('1', '/a'),'ds','');
REPLACE(EXTRACTVALUE('1', '/a'),'ds','')

#
# Bug #57820 extractvalue crashes
#
SELECT AVG(DISTINCT EXTRACTVALUE((''),('$@k')));
AVG(DISTINCT EXTRACTVALUE((''),('$@k')))
NULL
#
# Bug#57279 updatexml dies with: Assertion failed: str_arg[length] == 0
#
SELECT UPDATEXML(NULL, (LPAD(0.1111E-15, '2011', 1)), 1);
ERROR 22007: Illegal double '111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111' value found during parsing
SELECT EXTRACTVALUE('', LPAD(0.1111E-15, '2011', 1));
ERROR 22007: Illegal double '111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111' value found during parsing
#
# Bug #44332 	my_xml_scan reads behind the end of buffer
#
SELECT UPDATEXML(CONVERT(_latin1'<' USING utf8),'1','1');
UPDATEXML(CONVERT(_latin1'<' USING utf8),'1','1')
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 2: END-OF-INPUT unexpected (ident or '/' wanted)'
SELECT UPDATEXML(CONVERT(_latin1'<!--' USING utf8),'1','1');
UPDATEXML(CONVERT(_latin1'<!--' USING utf8),'1','1')
NULL
#
# Bug#11766725 (bug#59901): EXTRACTVALUE STILL BROKEN AFTER FIX FOR BUG #44332
#
SELECT ExtractValue(CONVERT('<\"', BINARY(10)), 1);
ExtractValue(CONVERT('<\"', BINARY(10)), 1)
NULL
Warnings:
Warning	1525	Incorrect XML value: 'parse error at line 1 pos 11: STRING unexpected (ident or '/' wanted)'
End of 5.1 tests
#
# Start of 5.5 tests
#
#
# Bug#58175 xml functions read initialized bytes when conversions happen
#
SET NAMES latin1;
SELECT UPDATEXML(CONVERT('' USING swe7), TRUNCATE('',1), 0);
UPDATEXML(CONVERT('' USING swe7), TRUNCATE('',1), 0)
NULL
#
# Bug#12375190: UPDATEXML CRASHES ON SIMPLE INPUTS
#
SELECT UPDATEXML('','(a)/a','');
UPDATEXML('','(a)/a','')

SELECT UPDATEXML('<a><a>x</a></a>','(a)/a','<b />');
UPDATEXML('<a><a>x</a></a>','(a)/a','<b />')
<a><b /></a>
SELECT UPDATEXML('<a><c><a>x</a></c></a>','(a)/a','<b />');
UPDATEXML('<a><c><a>x</a></c></a>','(a)/a','<b />')
<a><c><a>x</a></c></a>
SELECT UPDATEXML('<a><c><a>x</a></c></a>','(a)//a','<b />');
UPDATEXML('<a><c><a>x</a></c></a>','(a)//a','<b />')
<a><c><b /></c></a>
SELECT ExtractValue('<a><a>aa</a><b>bb</b></a>','(a)/a|(a)/b');
ExtractValue('<a><a>aa</a><b>bb</b></a>','(a)/a|(a)/b')
aa bb
#
# End of 5.5 tests
#
#
# Bug#13358486 WEIGHT_STRING = MY_STRNXFRM_UNICODE:
#              ASSERTION `SRC' FAILED
#
set names utf8;
do weight_string(extractvalue('','/*/a') level 1 reverse);
do char((weight_string(extractvalue((''),('tX')) level 7 desc)) using cp852);
set names default;
#
# Bug#22552615 EXTRACTVALUE RETURNS NULL WHEN NO MATCHING
#              TEXT NODE IS FOUND FOR THE EXPRESSION
#
set @x = '<MESSAGE><DATA1>HOLA</DATA1></MESSAGE>';
set @y = 'Default Value';
select ExtractValue( @x, '/MESSAGE/DATA2' ) into @y;
select @y;
@y

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