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Fix extreme edge case "constraint failed" upgrade error

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This commit is contained in:
Dan Stillman 2010-03-24 09:59:52 +00:00
parent fece9cf2ce
commit 7fde1766f2
1 changed files with 4 additions and 4 deletions
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8
chrome/content/zotero/xpcom/schema.js
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@ -2083,7 +2083,7 @@ Zotero.Schema = new function(){
continue;
}
var counts = Zotero.DB.query("SELECT tag, COUNT(*) AS numItems FROM tags NATURAL JOIN itemTags WHERE tag LIKE ? GROUP BY tag ORDER BY numItems DESC", l);
var counts = Zotero.DB.query("SELECT tag, COUNT(*) AS numItems FROM tags NATURAL JOIN itemTags WHERE tag LIKE ? ESCAPE '`' GROUP BY tag ORDER BY numItems DESC", l.replace('_', '`_').replace('%', '`%'));
// If not associated with any items, use all lowercase
if (!counts) {
var newTag = l;
@ -2094,14 +2094,14 @@ Zotero.Schema = new function(){
}
// Use earliest
else {
var newTag = Zotero.DB.valueQuery("SELECT tag FROM tags NATURAL JOIN itemTags WHERE tag IN (SELECT tag FROM tags NATURAL JOIN itemTags NATURAL JOIN items WHERE tag LIKE ? ORDER BY dateAdded LIMIT 1) GROUP BY tag", l);
var newTag = Zotero.DB.valueQuery("SELECT tag FROM tags NATURAL JOIN itemTags WHERE tag IN (SELECT tag FROM tags NATURAL JOIN itemTags NATURAL JOIN items WHERE tag LIKE ? ESCAPE '`' ORDER BY dateAdded LIMIT 1) GROUP BY tag", l.replace('_', '`_').replace('%', '`%'));
}
// Point old to new
var types = Zotero.DB.columnQuery("SELECT DISTINCT tagType FROM tags WHERE tag LIKE ?", l);
var types = Zotero.DB.columnQuery("SELECT DISTINCT tagType FROM tags WHERE tag LIKE ? ESCAPE '`'", l.replace('_', '`_').replace('%', '`%'));
for each(var type in types) {
var newTagID = Zotero.DB.valueQuery("SELECT tagID FROM tags WHERE tag=? AND tagType=?", [newTag, type]);
var oldIDs = Zotero.DB.columnQuery("SELECT tagID FROM tags WHERE tag LIKE ? AND tag != ? AND tagType=?", [l, newTag, type]);
var oldIDs = Zotero.DB.columnQuery("SELECT tagID FROM tags WHERE tag LIKE ? ESCAPE '`' AND tag != ? AND tagType=?", [l.replace('_', '`_').replace('%', '`%'), newTag, type]);
if (oldIDs) {
if (!newTagID) {
newTagID = oldIDs[0];