WL#1397: convert XML -> SQL
Affects: Server-5.5 — Status: Complete — Priority: Low
SUMMARY ------- As a complement to --xml mode of mysqldump (and mysql) we can provide an XSL that converts our XML dump to valid SQL dump. As far as I understand it should be rather easy. DECISIONS REGARDING THIS WL --------------------------- - Jeffrey has decided that this is not for 5.1. Lars thinks this should be planned for 5.2. -- Lars, 2007-02-21
Please find the original information from the contributor here: http://lists.mysql.com/internals/34169 http://lists.mysql.com/internals/34170 The final syntax is a little bit different: LOAD XML [LOW_PRIORITY | CONCURRENT] [LOCAL] INFILE 'file_name' [REPLACE | IGNORE] INTO TABLE tbl_name [CHARACTER SET charset_name] [ROWS IDENTIFIED BY 'row_tag'] [IGNORE number [LINES|ROWS]] [(col_name_or_user_var,...)] [SET col_name = expr,...)] Difference comparing to the original Erik's patch: 1. "IGNORE 10 ROWS" is also understood as a synonym to "IGNORE 10 LINES", because "lines" is something not well applicable to XML. Note, as a side effect "IGNORE 10 ROWS" also works in "LOAD DATA" syntax. 2. "ROWS IDENTIFIER BY" is optional. The default tag is '<row>'. 3. "CHARACTER SET charset_name" is also possible, like in "LOAD DATA".
LLD is found in the contributed patches for this feature. There's a contributed patch from Erik Wetterberg implementing "LOAD XML" syntax, hardcoded to understand only the format of "mysqldump --xml" output, but doing it very efficiently: http://lists.mysql.com/commits/20059 There's also not-so-efficient XPath-based solution, but it is not restricted to only "mysqldump --xml" format, and can load data from any XML files, which can be useful to import data from third party applications: http://lists.mysql.com/commits/20060
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