Merge abarkov@bk-internal.mysql.com:/home/bk/mysql-5.1-rpl
into mysql.com:/home/bar/mysql-5.1.b26518 mysql-test/r/xml.result: Auto merged mysql-test/t/xml.test: Auto merged sql/item_xmlfunc.cc: Auto merged
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@ -891,3 +891,118 @@ test
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select ExtractValue('<a><self>test</self></a>', '/a/self');
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ExtractValue('<a><self>test</self></a>', '/a/self')
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test
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set @i=1;
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select ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')
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b1
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set @i=2;
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select ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')
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b2
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set @i=NULL;
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select ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')
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CREATE PROCEDURE spxml(xml VARCHAR(128))
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BEGIN
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DECLARE c INT;
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DECLARE i INT DEFAULT 1;
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SET c= ExtractValue(xml,'count(/a/b)');
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SET @i= c;
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WHILE i <= c DO
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BEGIN
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SELECT i, @i, ExtractValue(xml,'/a/b[$i]'), ExtractValue(xml,'/a/b[$@i]');
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SET i= i + 1;
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SET @i= @i - 1;
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END;
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END WHILE;
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END|
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call spxml('<a><b>b1</b><b>b2</b><b>b3</b></a>');
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i @i ExtractValue(xml,'/a/b[$i]') ExtractValue(xml,'/a/b[$@i]')
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1 3 b1 b3
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i @i ExtractValue(xml,'/a/b[$i]') ExtractValue(xml,'/a/b[$@i]')
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2 2 b2 b2
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i @i ExtractValue(xml,'/a/b[$i]') ExtractValue(xml,'/a/b[$@i]')
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3 1 b3 b1
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drop procedure spxml;
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Multiple matches, but no index specification
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b')
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b1 b2
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No matches
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/c');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/c')
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Index out of range
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[-1]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[-1]')
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[10]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[10]')
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With string-to-number conversion
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["1"]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["1"]')
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b1
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["1 and string"]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["1 and string"]')
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b1
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Warnings:
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Warning 1292 Truncated incorrect INTEGER value: '1 and string"]'
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Warning 1292 Truncated incorrect INTEGER value: '1 and string"]'
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["string and 1"]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["string and 1"]')
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Warnings:
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Warning 1292 Truncated incorrect INTEGER value: 'string and 1"]'
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Warning 1292 Truncated incorrect INTEGER value: 'string and 1"]'
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["string"]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["string"]')
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Warnings:
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Warning 1292 Truncated incorrect INTEGER value: 'string"]'
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Warning 1292 Truncated incorrect INTEGER value: 'string"]'
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String-to-number conversion from a user variable
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SET @i='1';
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')
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b1
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SET @i='1 and string';
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')
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b1
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SET @i='string and 1';
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')
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SET @i='string';
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]')
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String-to-number conversion with a CHAR SP variable
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CREATE PROCEDURE spxml(xml VARCHAR(128), i CHAR(16))
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BEGIN
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SELECT ExtractValue(xml,'/a/b[$i]');
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END|
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CALL spxml('<a><b>b1</b><b>b2</b></a>', '1');
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ExtractValue(xml,'/a/b[$i]')
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b1
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CALL spxml('<a><b>b1</b><b>b2</b></a>', '1 and string');
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ExtractValue(xml,'/a/b[$i]')
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b1
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Warnings:
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Warning 1292 Truncated incorrect INTEGER value: '1 and string '
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Warning 1292 Truncated incorrect INTEGER value: '1 and string '
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CALL spxml('<a><b>b1</b><b>b2</b></a>', 'string and 1');
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ExtractValue(xml,'/a/b[$i]')
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Warnings:
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Warning 1292 Truncated incorrect INTEGER value: 'string and 1 '
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Warning 1292 Truncated incorrect INTEGER value: 'string and 1 '
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CALL spxml('<a><b>b1</b><b>b2</b></a>', 'string');
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ExtractValue(xml,'/a/b[$i]')
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Warnings:
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Warning 1292 Truncated incorrect INTEGER value: 'string '
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Warning 1292 Truncated incorrect INTEGER value: 'string '
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DROP PROCEDURE spxml;
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@ -451,3 +451,75 @@ select ExtractValue('<a><parent>test</parent></a>', '/a/parent');
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select ExtractValue('<a><preceding>test</preceding></a>', '/a/preceding');
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select ExtractValue('<a><preceding-sibling>test</preceding-sibling></a>', '/a/preceding-sibling');
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select ExtractValue('<a><self>test</self></a>', '/a/self');
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#
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# Bug#26518 XPath and variables problem
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# Check with user defined variables
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#
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set @i=1;
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select ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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set @i=2;
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select ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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set @i=NULL;
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select ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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#
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# Check variables in a stored procedure - both local and user variables
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# Make sure that SP and local variables with the same name work together.
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#
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DELIMITER |;
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CREATE PROCEDURE spxml(xml VARCHAR(128))
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BEGIN
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DECLARE c INT;
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DECLARE i INT DEFAULT 1;
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SET c= ExtractValue(xml,'count(/a/b)');
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SET @i= c;
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WHILE i <= c DO
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BEGIN
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SELECT i, @i, ExtractValue(xml,'/a/b[$i]'), ExtractValue(xml,'/a/b[$@i]');
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SET i= i + 1;
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SET @i= @i - 1;
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END;
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END WHILE;
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END|
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DELIMITER ;|
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call spxml('<a><b>b1</b><b>b2</b><b>b3</b></a>');
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drop procedure spxml;
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#
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# Additional tests for bug#26518
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--echo Multiple matches, but no index specification
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b');
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--echo No matches
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/c');
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--echo Index out of range
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[-1]');
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[10]');
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--echo With string-to-number conversion
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["1"]');
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["1 and string"]');
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["string and 1"]');
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b["string"]');
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--echo String-to-number conversion from a user variable
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SET @i='1';
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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SET @i='1 and string';
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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SET @i='string and 1';
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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SET @i='string';
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SELECT ExtractValue('<a><b>b1</b><b>b2</b></a>','/a/b[$@i]');
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--echo String-to-number conversion with a CHAR SP variable
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DELIMITER |;
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CREATE PROCEDURE spxml(xml VARCHAR(128), i CHAR(16))
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BEGIN
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SELECT ExtractValue(xml,'/a/b[$i]');
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END|
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DELIMITER ;|
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CALL spxml('<a><b>b1</b><b>b2</b></a>', '1');
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CALL spxml('<a><b>b1</b><b>b2</b></a>', '1 and string');
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CALL spxml('<a><b>b1</b><b>b2</b></a>', 'string and 1');
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CALL spxml('<a><b>b1</b><b>b2</b></a>', 'string');
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DROP PROCEDURE spxml;
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@ -19,7 +19,7 @@
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#include "mysql_priv.h"
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#include "my_xml.h"
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#include "sp_pcontext.h"
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/*
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TODO: future development directions:
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@ -2412,21 +2412,78 @@ my_xpath_parse_QName(MY_XPATH *xpath)
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}
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/*
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/**
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Scan Variable reference
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SYNOPSYS
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@details Implements parsing of two syntax structures:
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[36] VariableReference ::= '$' QName
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RETURN
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1 - success
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0 - failure
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1. Standard XPath syntax [36], for SP variables:
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VariableReference ::= '$' QName
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Finds a SP variable with the given name.
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If outside of a SP context, or variable with
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the given name doesn't exists, then error is returned.
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2. Non-standard syntax - MySQL extension for user variables:
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VariableReference ::= '$' '@' QName
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Item, corresponding to the variable, is returned
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in xpath->item in both cases.
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@param xpath pointer to XPath structure
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@return Operation status
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@retval 1 Success
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@retval 0 Failure
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*/
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static int
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my_xpath_parse_VariableReference(MY_XPATH *xpath)
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{
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return my_xpath_parse_term(xpath, MY_XPATH_LEX_DOLLAR) &&
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my_xpath_parse_term(xpath, MY_XPATH_LEX_IDENT);
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LEX_STRING name;
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int user_var;
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const char *dollar_pos;
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if (!my_xpath_parse_term(xpath, MY_XPATH_LEX_DOLLAR) ||
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(!(dollar_pos= xpath->prevtok.beg)) ||
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(!((user_var= my_xpath_parse_term(xpath, MY_XPATH_LEX_AT) &&
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my_xpath_parse_term(xpath, MY_XPATH_LEX_IDENT))) &&
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!my_xpath_parse_term(xpath, MY_XPATH_LEX_IDENT)))
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return 0;
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name.length= xpath->prevtok.end - xpath->prevtok.beg;
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name.str= (char*) xpath->prevtok.beg;
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if (user_var)
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xpath->item= new Item_func_get_user_var(name);
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else
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{
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sp_variable_t *spv;
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sp_pcontext *spc;
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LEX *lex;
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if ((lex= current_thd->lex) &&
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(spc= lex->spcont) &&
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(spv= spc->find_variable(&name)))
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{
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Item_splocal *splocal= new Item_splocal(name, spv->offset, spv->type, 0);
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#ifndef DBUG_OFF
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if (splocal)
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splocal->m_sp= lex->sphead;
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#endif
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xpath->item= (Item*) splocal;
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}
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else
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{
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xpath->item= NULL;
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DBUG_ASSERT(xpath->query.end > dollar_pos);
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uint len= xpath->query.end - dollar_pos;
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set_if_smaller(len, 32);
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my_printf_error(ER_UNKNOWN_ERROR, "Unknown XPATH variable at: '%.*s'",
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MYF(0), len, dollar_pos);
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}
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}
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return xpath->item ? 1 : 0;
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}
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